ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ``````````````````````````````````` গၤ
by user
Comments
Transcript
ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ``````````````````````````````````` গၤ
19-4991; Rev 3; 10/09 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ET2:34ᆨࣞ0ဘࣞഺjCvuupo® ဵጙᒬଫৼงࡼᔈ࢟ ޘອLjถހᆨࣞਜ਼0ဘࣞLj݀ڳჅࡼࡻހၫࡀྜྷ ᎌۣઐถࡼࡀăઓభጲᔈቲࢾഺႥൈLj ጲ2ᒗ384ቃဟࡼࢀဟମମഺ92:3ৈ9ᆡݧዹၫ 51:7ৈ27ᆡݧዹၫăᅪLjୈดથᎌ623ᔊஂᄂࢾ ።ቧᇦTSBNਜ਼75ᔊஂࡼၫቅᓰTSBNăઓభጲᔈ ቲࢾၫݧዹྀᇗೂ૾ࣅLjጐభጲᏴઓᔈࢾፃዓ ဟᒄઁဵᏴᆨࣞۨவᒄઁݣఎဪݧዹăࡀࡼषᆰ ਜ਼఼ᒜෘഎࡼᒊቲ၊ම൩ۣઐăET2:34ᔥᑍࠈቲ2.Xjsf® ፇᎧᓍ૦ୈቲᄰቧLjஞኊገোၫሣਜ਼ጙো ሣ૾భဣሚăඛຢET2:34ᎌᆎጙࡼ75ᆡኔLjဵ Ᏼ߲ޣဟరᏴበຢࡼLjፐࠥభཀྵۣୈࡼ࣪భৌ ᔍቶăଫৼࡼݙኄনᅪఫᎌऴᇁ২ĂऴᓦૣĂऴޭ ࢀᄂ࢛Ljถ৫း።इೳࡼણஹăᅪLjᎧET2:34ᄁࡼ এୈဧถ৫ڔᓤᏴྀੜᇕᄏLjྙǖྏĂૡૺ۞ ᓤࡖࢀă ``````````````````````````````````` ። အອଝਜ਼ࠀಯਭ߈ᒦࡼᆨࣞਜ਼ဘࣞഺ ᆨࣞਜ਼ဘࣞැঢອૺጓޘອᏥၒਭ߈ᒦࡼପ఼ ెݴପ఼ ણஹዐ0ପހ ♦ ᄰਭ2.XjsfࡼᄟୈႝჃถෘഎభጲႥषᆰۨவ ୈ ♦ ด623ᔊஂᄰࡀਜ਼75ᔊஂࡼቅᓰࡀ ♦ ჅᎌࡀᎧᒙࡀ࣒ᎌೝଝමۣઐ ♦ ᔥክ2.XjsfፇLjݧোၫᔊቧᎧᓍ૦ᄰቧLj ܪᓰႥࣞෝါሆᄰቧႥൈభࡉ26/5lcqtLjႥෝါ ሆభࡉ236lcqt ♦ ॊܰᏴOJTUభᓫႩࡼࢾܪ၀ቲቅᓰ ♦ ᆨࣞᎧဘࣞቅᓰᇹၫளޣቅᓰ݀ࡀྜྷୈࡼऻጵ ပቶ)OW*ࡀ ```````````````````````````` jCvuupoࡼৢቶ ♦ ᄰਭၾဟ߿૾భᅲ߅ၫᔊဤܰਜ਼ቧᇦན ♦ ᆎጙࡼĂᎅޣరྜྷୈࡼ75ᆡኔLjࡀݙᏴྀੜ ೝৈኔሤᄴࡼୈLjభۣᑺඛৈୈࡼᑵཀྵኡᐋ ጲૺ࣪భৌᔍቶ ♦ ดᒙ2.Xjsfᆀ఼ࣶ࢛ᒜ ♦ ᎖በຢࡼၫᏲᄏᄋ೫ጙᒬஜࡼቧᇦࡀऱښ ♦ ڔᓤࡵ෭ጙᇕᄏ૾భࡀནၫ ♦ ిᅪተ੪ྏጵਜ਼ۭᓨყᄿᔈ࣪ᓰ ♦ ᆎጙࡼኔరᏴଫৼࡼݙኄনᅪఫLjభጲး ።థరࡼણஹ ``````````````````````````````````` ᄂቶ ♦ ಽᔈᐫୢ࢞Ăᅘଦણి੪ྏጵৼࢾ ♦ ၫᔊဘࣞଐLjހဘࣞࡼॊܦൈᆐ9ᆡ)1/7&SI* 23ᆡ)1/15&SI* ♦ ࡩࣗቖ၅ࠨ࢟ဟ૾ቲᏴሣ።ࡊଶހ ♦ ᔫपᆍǖᆨࣞ.31°Dᒗ,96°DǗဘࣞ1ᒗ211&SI )ݬڔཝᔫपᆍᅄ* ♦ ᔈࣅታހᆨࣞ0ဘࣞLj݀ހڳၫጲ9ᆡ 27ᆡৃါۣࡀᏴ9LCၫഺࡀᒦ ET2:34 ``````````````````````````````````` গၤ ♦ ९VM! :24ܪᓰ)႐*ۈǗ࣪ڔཝ۸ǖᄰਭJĂ 2ཌĂBĂCĂDਜ਼EᔝᒎࢾࡼཌᎮޝཱྀᑺ ``````````````````````````````` ࢾ৪ቧᇦ PART TEMP RANGE PIN-PACKAGE -20°C to +85°C F5 iButton ♦ ၫᔊᆨࣞଐLjހᆨࣞࡼॊܦൈᆐ9ᆡ)1/6°D*22ᆡ )1/1736°D* $ ܭာ९SpITܪᓰLjୈభถ)Qc*Ljࡣ፱ᎌSpITཚă ♦ Ᏼ.21°Dᒗ,76°DपᆍดLjளਭྟୈቅᓰઁࡼހᆨ றࣞ᎖±1/6°D ``````````````````````````````` এୈಿ DS1923-F5# ♦ ดᒙྏቶॊᔇဘࣞࠅঢLjభഺဘࣞ ♦ ࡒᎌऴၺށLjถဧࠅঢ၊ાĂᇁ২Ăᇁࡼ፬ሰ ݀భᏴ୷ࡼဟମดྜྷၺᒦࠀ᎖ၺዏᒮࡼણஹᒦ ♦ ݧዹႥൈᆐ2ᒗ384ቃဟ ♦ భࢾఎဪዓဟဟମLjభጲᏴࢾဟࡵ࢛ᒄઁᏴࡉ ࡵᆨࣞۨவ߿ख࢛ᒄઁఎဪഺၫ ♦ ᆨࣞᎧဘࣞۨவࡼĂࢅ߿खඡሢᒋ࣒భᔈቲᒙ PART DS9096P DS9101 DS9093RA DS9093A DS9092 ACCESSORY Self-Stick Adhesive Pad Multipurpose Clip Mounting Lock Ring Snap-In FOB iButton Probe ୭ᒙᏴၫᓾ೯ࡼᔢઁ߲ă jCvuupoਜ਼2.XjsfဵNbyjn! Joufhsbufe! Qspevdut-! Jod/ࡼᓖݿܪă ________________________________________________________________ Maxim Integrated Products www.BDTIC.com/maxim 1 ۾ᆪဵ፞ᆪၫᓾ೯ࡼፉᆪLjᆪᒦభถࡀᏴडፉࡼݙᓰཀྵࡇᇙăྙኊጙݛཀྵཱྀLj༿Ᏼิࡼଐᒦݬఠ፞ᆪᓾ೯ă ᎌਈଥৃĂૡૺࢿ৪ቧᇦLj༿ೊNbyjnᒴሾ၉ᒦቦǖ21911!963!235:!)۱ᒦਪཌ*Lj21911!263!235:!)ฉᒦਪཌ*Lj षᆰNbyjnࡼᒦᆪᆀᐶǖdijob/nbyjn.jd/dpnă ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ABSOLUTE MAXIMUM RATINGS IO Voltage Range Relative to GND ..........................-0.3V to +6V IO Sink Current....................................................................20mA Operating Temperature and Humidity Range ................-20°C to +85°C, 0 to 100%RH* Storage Temperature and Humidity Range ................-40°C to +85°C, 0 to 100%RH* *See the Safe Operating Range graph. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (VPUP = +3.0V to +5.25V, TA = -20°C to +85°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS 2.2 k 100 800 pF IO PIN: GENERAL DATA 1-Wire Pullup Resistance Input Capacitance Input Load Current RPUP CIO IL (Notes 1, 2) (Note 3) IO pin at VPUP 6 10 μA V 0.3 V VTL (Notes 4, 5) Input Low Voltage VIL (Notes 1, 6) Low-to-High Switching Threshold VTH (Notes 4, 7) 0.7 3.4 V Switching Hysteresis VHY (Note 8) 0.09 N/A V Output Low Voltage VOL At 4mA (Note 9) 0.4 V Recovery Time (Note 1) Rising-Edge Hold-Off Time Time-Slot Duration (Note 1) tREC tREH tSLOT Standard speed, RPUP = 2.2k Overdrive speed, RPUP = 2.2k Overdrive speed directly prior to reset pulse, RPUP = 2.2k 0.4 3.2 High-to-Low Switching Threshold 5 2 μs 5 (Note 10) 0.6 Standard speed 65 Overdrive speed, VPUP > 4.5V Overdrive speed (Note 11) 8 2.0 μs μs 9.5 IO PIN: 1-Wire RESET, PRESENCE-DETECT CYCLE Reset Low Time (Note 1) Presence-Detect High Time Presence-Detect Fall Time (Note 12) 2 tRSTL t PDH tFPD Standard speed, VPUP > 4.5V Standard speed (Note 11) 480 720 690 720 Overdrive speed, VPUP > 4.5V 48 80 Overdrive speed (Note 11) 70 80 Standard speed, VPUP > 4.5V 15 60 Standard speed (Note 11) 15 63.5 Overdrive speed (Note 11) 2 7 Standard speed, VPUP > 4.5V 1.5 5 Standard speed 1.5 8 Overdrive speed 0.15 1 _______________________________________________________________________________________ www.BDTIC.com/maxim μs μs μs ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo (VPUP = +3.0V to +5.25V, TA = -20°C to +85°C.) PARAMETER Presence-Detect Low Time Presence-Detect Sample Time (Note 1) SYMBOL tPDL CONDITIONS TYP MAX 60 240 60 287 Overdrive speed, VPUP > 4.5V (Note 11) 7 24 Overdrive speed (Note 11) 7 28 Standard speed, VPUP > 4.5V tMSP MIN Standard speed, VPUP > 4.5V Standard speed (Note 11) 65 75 Standard speed 71.5 75 Overdrive speed 8 9 Standard speed 60 120 Overdrive speed, VPUP > 4.5V (Note 11) Overdrive speed (Note 11) 6 12 UNITS μs μs IO PIN: 1-Wire WRITE Write-Zero Low Time (Note 1) Write-One Low Time (Notes 1, 13) tW0L tW1L 7.5 12 Standard speed 5 15 - Overdrive speed 1 1.95 - μs μs IO PIN: 1-Wire READ Read Low Time (Notes 1, 14) tRL Read Sample Time (Notes 1, 14) tMSR Standard speed 5 15 - Overdrive speed 1 1.95 - Standard speed tRL + 15 Overdrive speed tRL + 1.95 -3 +3 Min/ Month -300 +60 ppm μs μs REAL-TIME CLOCK (RTC) Accuracy +25°C Frequency Deviation F -20°C to +85°C TEMPERATURE CONVERTER Conversion Time tCONV Thermal Response Time Constant RESP Conversion Error Without Software Correction Conversion Error with Software Correction 8-bit mode (Note 15) 30 75 16-bit mode (11 bits) 240 600 iButton package (Note 16) ms 130 s (Notes 15, 17, 18, 19) See the Temperature Accuracy graph °C (Notes 15, 17, 18, 19) See the Temperature Accuracy graph °C RH Slow moving air (Note 21) 30 s HUMIDITY CONVERTER (Note 20) Humidity Response Time Constant RH Resolution (Note 22) RH Range (Note 23) 8 12 12 0.64 0.04 0.04 %RH 100 %RH 0 Bits _______________________________________________________________________________________ www.BDTIC.com/maxim 3 ET2:34 ELECTRICAL CHARACTERISTICS (continued) ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ELECTRICAL CHARACTERISTICS (continued) (VPUP = +3.0V to +5.25V, TA = -20°C to +85°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS RH Accuracy and Interchangeability With software correction (Notes 18, 19, 24, 25, 26) ±5 RH Nonlinearity With software correction (Note 18) <1 RH Hysteresis (Notes 27, 28) 0.5 %RH RH Repeatability (Note 29) ±0.5 %RH Long-Term Stability At 50%RH (Note 30) < 1.0 %RH/ year Note 1: Note 2: Note 3: Note 4: Note 5: Note 6: Note 7: Note 8: Note 9: Note 10: Note 11: Note 12: Note 13: Note 14: Note 15: Note 16: Note 17: Note 18: Note 19: Note 20: Note 21: Note 22: Note 23: 4 %RH System requirement. Maximum allowable pullup resistance is a function of the number of 1-Wire devices in the system and 1-Wire recovery times. The specified value here applies to systems with only one device and with the minimum 1-Wire recovery times. For more heavily loaded systems, an active pullup such as that in the DS2480B may be required. Capacitance on the data pin could be 800pF when VPUP is first applied. If a 2.2kΩ resistor is used to pull up the data line, 2.5μs after VPUP has been applied, the parasite capacitance does not affect normal communications. VTL and VTH are a function of the internal supply voltage. Voltage below which, during a falling edge on IO, a logic 0 is detected. The voltage on IO must be less than or equal to VILMAX whenever the master drives the line low. Voltage above which, during a rising edge on IO, a logic 1 is detected. After VTH is crossed during a rising edge on IO, the voltage on IO must drop by VHY to be detected as logic 0. The I-V characteristic is linear for voltages less than 1V. The earliest recognition of a negative edge is possible at tREH after VTH has been previously reached. Numbers in bold are not in compliance with the published iButton standards. See the Comparison Table. Interval during the negative edge on IO at the beginning of a presence-detect pulse between the time at which the voltage is 90% of VPUP and the time at which the voltage is 10% of VPUP. ε in Figure 13 represents the time required for the pullup circuitry to pull the voltage on IO up from VIL to VTH. δ in Figure 13 represents the time required for the pullup circuitry to pull the voltage on IO up from VIL to the input high threshold of the bus master. To conserve battery power, use 8-bit temperature logging whenever possible. This number was derived from a test conducted by Cemagref in Antony, France, in July 2000: www.cemagref.fr/English/index.htm Test Report No. E42. For software-corrected accuracy, assume correction using calibration coefficients with calibration equations for error compensation. Software correction for humidity and temperature is handled automatically using the 1-Wire Viewer Software package available at: http://www.ibutton.com/cn. Warning: Not for use as the sole method of measuring or tracking temperature and/or humidity in products and articles that could affect the health or safety of persons, plants, animals, or other living organisms, including but not limited to foods, beverages, pharmaceuticals, medications, blood and blood products, organs, and flammable and combustible products. User shall assure that redundant (or other primary) methods of testing and determining the handling methods, quality, and fitness of the articles and products should be implemented. Temperature and/or humidity tracking with this product, where the health or safety of the aforementioned persons or things could be adversely affected, is only recommended when supplemental or redundant information sources are used. Data-logger products are 100% tested and calibrated at time of manufacture by Maxim to ensure that they meet all data sheet parameters, including temperature accuracy. User shall be responsible for proper use and storage of this product. As with any sensor-based product, user shall also be responsible for occasionally rechecking the accuracy of the product to ensure it is still operating properly. All humidity specifications are determined at +25°C except where specifically indicated. Response time is determined by measuring the 1/e point as the device transitions from 40%RH to 90%RH or 90%RH to 40%RH, whichever is slower. Test was performed at 5L/min airflow. All DS1923 humidity measurements are 12-bit readings. Missioning determines 8-bit or 16-bit data logging. Battery lifetime is the same no matter what RH resolution is logged. Reliability studies have shown that the device survives a minimum of 1000 cycles of condensation and drying, but this product is not guaranteed for extended use in condensing environments. _______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo (VPUP = +3.0V to +5.25V, TA = -20°C to +85°C.) Note 24: Software-corrected accuracy is accomplished using the method detailed in the Software Correction Algorithm for Temperature section. Note 25: Every DS1923 device is measured and calibrated in a controlled, NIST-traceable RH environment. Note 26: Higher accuracy versions may be available. Contact the factory for details. Note 27: If this device is exposed to a high humidity environment (> 70%RH), and then exposed to a lower RH environment, the device reads high for a period of time. The device typically reads within +0.5%RH at 20%RH, 30 minutes after being exposed to continuous 80%RH for 30 minutes. Note 28: All capacitive RH sensors can change their reading depending upon how long they have spent at high (> 70%RH) or low RH (< 20%RH). This effect is called saturation drift and can be compensated through software, as described in the Software Saturation Drift Compensation section. Note 29: Individual RH readings always include a noise component (repeatability). To minimize measurement error, average as many samples as is reasonable. Note 30: Like all relative humidity sensors, when exposed to contaminants and/or conditions toward the limits of the safe operating range, accuracy degradation can result (see the Safe Operating Range graph). For maximum long-term stability, the sensor should not be exposed or subjected to organic solvents, corrosive agents (e.g., strong acids, SO2, H2SO4, CI2, HCL, H2S) and strong bases (i.e., compounds with a pH greater than 7). Dust settling on the filter surface does not affect the sensor performance except to possibly decrease the speed of response. For more information on the RH sensor’s tolerance to chemicals visit: http://content.honeywell.com/sensing/prodinfo/humiditymoisture/technical/c15_144.pdf. ࣪ᑍܭ LEGACY VALUES STANDARD SPEED (μs) PARAMETER DS1923 VALUES OVERDRIVE SPEED (μs) STANDARD SPEED (μs) OVERDRIVE SPEED (μs) MIN MAX MIN MAX MIN MAX MIN MAX t SLOT (including tREC) 61 (undefined) 7 (undefined) 65 * (undefined) 9.5 (undefined) tRSTL 480 (undefined) 48 80 690 720 70 80 t PDH 15 60 2 6 15 63.5 2 7 t PDL 60 240 8 24 60 287 7 28 tW0L 60 120 6 16 60 120 7.5 12 *ᄂፀৎখǗᎅ᎖2.Xjsf༄࣡ࡼখࣅLjኊገৎૂࡼޠআဟମă ᓖǖ࠰ᄏၫᔊᎧखࡼݚjCvuupoܪᓰݙରྏă jCvuupoࡼᇕಯᄂቶ SIZE See the Package Information section. WEIGHT Ca. 5.0 grams SAFETY Meets UL 913 (4th Edit.); Intrinsically Safe Apparatus, approval under Entity Concept for use in Class I, Division 1, Group A, B, C, and D Locations. _______________________________________________________________________________________ www.BDTIC.com/maxim 5 ET2:34 ELECTRICAL CHARACTERISTICS (continued) `````````````````````````````````````````````````````````````````````````````` ڔཝᔫपᆍ 100 80 HUMIDITY (%RH) 60 SAFE OPERATING ZONE 40 STORAGE ONLY 20 0 -40 -20 0 20 40 60 80 TEMPERATURE (°C) ```````````````````````````````````````````````````````````````````````````` ᆨࣞறࣞ 2.0 1.5 1.0 ERROR (°C) ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo UNCORRECTED MAXIMUM ERROR 0.5 SW CORRECTED MAXIMUM ERROR 0 SW CORRECTED MINIMUM ERROR -0.5 UNCORRECTED MINIMUM ERROR -1.0 -20 -10 0 10 20 30 40 50 60 70 80 TEMPERATURE (°C) NOTE: THE GRAPHS ARE BASED ON 11-BIT DATA. 6 _______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo EVERY MINUTE EVERY 60 MINUTES EVERY 3 MINUTES NO SAMPLES EVERY 10 MINUTES OSCILLATOR OFF 10 8-BIT MINIMUM PRODUCT LIFETIME (YEARS) 9 8 7 6 5 4 3 2 1 0 -20 -10 0 10 20 30 40 50 60 70 80 TEMPERATURE (°C) EVERY MINUTE EVERY 60 MINUTES EVERY 3 MINUTES EVERY 300 MINUTES EVERY 10 MINUTES NO SAMPLES EVERY 30 MINUTES OSCILLATOR OFF 11-BIT MINIMUM PRODUCT LIFETIME (YEARS) 10 9 8 7 6 5 4 3 2 1 0 -20 -10 0 10 20 30 40 50 60 70 80 TEMPERATURE (°C) _______________________________________________________________________________________ www.BDTIC.com/maxim 7 ET2:34 ``````````````````````````````````````` ᔢဧဟମᎧᆨࣞࡼਈᇹཎሣLjࢅႥݧዹ)ᆨࣞ* ``````````````````````````````````````` ᔢဧဟମᎧᆨࣞࡼਈᇹཎሣLjႥݧዹ)ᆨࣞ* EVERY SECOND EVERY 30 SECONDS EVERY 3 SECONDS EVERY 60 SECONDS EVERY 10 SECONDS 8-BIT MINIMUM PRODUCT LIFETIME (DAYS) 350 300 250 200 150 100 50 0 -20 -10 0 10 20 30 40 50 60 70 80 70 80 TEMPERATURE (°C) EVERY SECOND EVERY 30 SECONDS EVERY 3 SECONDS EVERY 60 SECONDS EVERY 10 SECONDS 100 11-BIT MINIMUM PRODUCT LIFETIME (DAYS) ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo 80 60 40 20 0 -20 -10 0 10 20 30 40 50 60 TEMPERATURE (°C) 8 _______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo EVERY MINUTE EVERY 60 MINUTES EVERY 3 MINUTES NO SAMPLES EVERY 10 MINUTES OSCILLATOR OFF 10 8-BIT TEMPERATURE PLUS HUMIDITY MINIMUM PRODUCT LIFETIME (YEARS) 9 8 7 6 5 4 3 2 1 0 -20 -10 0 10 20 30 40 50 60 70 80 TEMPERATURE (°C) ````````````````````````````` ᔢဧဟମᎧᆨࣞࡼਈᇹཎሣLjႥݧዹ)ހᆨࣞĂဘࣞ* EVERY SECOND EVERY 30 SECONDS EVERY 3 SECONDS EVERY 60 SECONDS EVERY 10 SECONDS 8-BIT TEMPERATURE PLUS HUMIDITY MINIMUM PRODUCT LIFETIME (DAYS) 350 300 250 200 150 100 50 0 -20 -10 0 10 20 30 40 50 60 70 80 TEMPERATURE (°C) _______________________________________________________________________________________ www.BDTIC.com/maxim 9 ET2:34 ````````````````````````````` ᔢဧဟମᎧᆨࣞࡼਈᇹཎሣLjࢅႥݧዹ)ހᆨࣞĂဘࣞ* ````````````````````````````````````````` ᔢޘອဧဟମᎧݧዹႥൈࡼਈᇹཎሣ)ᆨࣞ* 10 0°C +40°C 8-BIT MINIMUM PRODUCT LIFETIME (YEARS) +60°C +75°C 1 +85°C 0.1 0.01 0.01 0.1 1 10 100 MINUTES BETWEEN SAMPLES NOTE: WITH HUMIDITY LOGGING ACTIVATED, THE LIFETIME IS REDUCED BY LESS THAN 11% FOR THE SAMPLE RATES OF 3MIN. AND SLOWER, AND BY A MAXIMUM OF 20% FOR SAMPLE RATES OF 1MIN. AND FASTER. 10 0°C +40°C +60°C 11-BIT MINIMUM PRODUCT LIFETIME (YEARS) ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo +75°C 1 +85°C 0.1 0.01 0.001 0.01 0.1 1 10 100 MINUTES BETWEEN SAMPLES NOTE: WITH HUMIDITY LOGGING ACTIVATED, THE LIFETIME IS REDUCED BY A MAXIMUM OF 4%. THE INCREMENTAL ENERGY CONSUMED BY HUMIDITY LOGGING IS INDEPENDENT OF THE HUMIDITY LOGGING RESOLUTION. 10 ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ET2:34భጲএᓹᏴᇕᄏᒄᎧጙᏥၒLjፐऎऻޟး ࣪ᇕᄏቲޠဟମࡼᆨࣞਜ਼ဘࣞପހLjభᏴܹረਜ਼ ದెᒦପހᓄྙቤሎแޘອĂጛጇᒄಢᇕᄏࡼᆨࣞਜ਼ဘ ࣞăকୈጐభ።ࡵැঢ࣪ሷૺዏৃଝਭ߈)ྙǖအ ອଝ*ᒦLjጲഺඣᏴᏥၒᒦࡼ༽ౚăᄰਭᅪ ఫࡼጙৈᒇᆐ 2/38nn ࡼঢᒀహᒦࡼဘࣞă ET2:34ดࡼݝ࢟ᔇݝॊමॖጲᅪޭࡼݝဘણஹLj ᓖፀET2:34ࡼᔢ߱මॖࢀሤࡩ᎖JQ67ăޠဟମࡼછ ਜ਼ဧᄟୈభଢ଼ࢅමॖࡼᅲᑳቶLjፐࠥྙਫ۩ഴᏴጘᄏĂ ᇓሤ႒ࡼણஹ።LjᅎୀIzhspdispoUN ڔᓤᏴ ጙৈऴઐᑎᒦቲۣઐ)ݬఠ።܊5237ǖjCvuupoၫ ഺਜ਼jCvuupoᄁࡼJQ )ྜྷऴઐ*ࢀ*Ljऴઐᓤᒙ݀ݙ ถ৫ۣᑺᏴᅲཝ༪ྜྷጘᄏࡼ༽ౚሆۣઐET2:34၊Ⴜડă ڔᓤ೫ሤ።ࡼྟୈઁLjᄰਭ2.Xjsfాభጲࣗནୈด ࡼݝၫLjሤ።ྟୈభ࠭jCvuupoᆀᐶ)xxx/jcvuupo/dpn0do* ॅሆᏲăᅪLjকྟୈጐ۞౪ࠈቲాᎧQD૦VTC ాࡼདࣅĂᏴࡀ።ᒦषᆰࡀᄂࢾ።ၫᆪୈࡼ ᄰࡀࡼ߈ኔጲૺᒎࢾୈࡼၫᆪୈă ଼ ᅄ2ࡼऱౖᅄ߲೫ET2:34ᓍገ఼ᒜᎧࡀࡼਈᇹă ୈด۞ݝ౪ങৈᓍገݝॊǖ75ᆡరSPNǗ367ᆡࡀ Ǘ623ᔊஂᄰTSBNǗೝৈ367ᆡࡀLj᎖ࡀ ଐဟቧᇦĂ఼ᒜቧᇦĂᓨზቧᇦĂଐၫࡀࡼᒋጲૺ ම൩Ǘ 75 ᔊஂቅᓰࡀǗ 92:3 ᔊஂၫഺࡀă ߹SPNਜ਼ࡀᅪLjࡀࡼᒍᄻጙሣቶܠᒍă ၫഺࡀĂଐၫࡀૺࡀ࣒ဵᒑࣗࡼă Ᏼᒊቲ෭ৈྀᇗဟLjೝৈࡀࠀ᎖ቖۣઐᓨზǗೝ ৈම൩ࡀLjጙৈࡀࡼဵᒑࣗම൩Ljጙৈࡀࡼ ဵࣗ0ቖම൩Ljඣᒑถቖݙถࣗă ᅄ3Ⴥာᆐ2.Xjsfፇࠨށஉ৩ăᔐሣᓍ૦ܘኍ၅ሌख߲ ᑚڭᄟෘഎᒦࡼጙᄟǖSfbe! SPNĂNbudi! SPNĂTfbsdi SPNĂDpoejujpobm Tfbsdi SPNĂTljq SPNĂPwfsesjwf. Tljq! SPNĂPwfsesjwf.Nbudi! SPNSftvnfăྙਫᏴܪᓰ Ⴅൈሆᒊቲ೫ႥSPNෘഎLjᐌୈྜྷႥෝါLj ऎ༦ࠥઁࡼჅᎌᄰቧ࣒ጲႥෝါቲăᑚቋSPN ถෘഎჅኊᔥክࡼፇሮᅄ 22ă߅ᒊቲᅲጙᄟ SPNถෘഎઁLjభ࣪ࡀਜ਼఼ᒜถቲषᆰ೫Lj ऎઁᓍ૦ܣᄋڭᄟᎌෘഎᒦࡼྀጙᄟăࡀਜ਼఼ ᒜถෘഎჅኊᔥክࡼፇሮᅄ:ăჅᎌၫࡼࣗቖݷ ᔫဵࢅᆡᏴ༄ă ည࢟ ऱౖᅄ)ᅄ2*ᒦ߲೫ည࢟࢟വăࡩJPၒྜྷᆐ࢟ຳ ဟLjক࢟വభጲ࠭ᔐሣĐ༨࢟đᆐᔈ࢟Ljᒑገ൸ ᔗਖࢾࡼဟମਜ਼࢟ኹገཇLjJPถᄋᔗ৫ࡼถă ည࢟Ꮞᎌೝৈᎁ࢛ǖ2* ᇄኊऄᅪ࢟Ꮞၒྜྷ࣡Ljஂဏ࢟ߔ ถǗ3* ࡩᎅ᎖෭ᒬᏇፐ࢟ߔ࢟ဟLj྆భጲᑵޟ ࣗནSPNă 75ᆡరSPN ඛຢET2:34࣒ᎌጙৈᆎጙࡼ75ᆡSPN൩Ljᒦ༄9ᆡဵ2. Xjsfଜᔙ൩Ljሆࡼ59ᆡဵᆎጙኔLjᔢઁ9ᆡဵᎅ༄ 67ᆡSPN൩ჅଐႯ߲ࡼክણྑቅዩ)DSD*൩Ljሮᅄ4ă 2.Xjsf ࡼDSDဵᄰਭᎅጤᆡࡀਜ਼ፊඡᔝ߅ࡼࣶሲါ खညޘညࡼLjᅄ5ăᑚৈࣶሲါᆐǖY9 ,! Y6 , Y5 ,! 2ă ᎌਈ2.Xjsf DSDࡼሮᇼቧᇦ༿ݬఠ።܊38ǖಯஊਜ਼Ꮵ Nbyjn jCvuupoޘອᒦࡼክણྑቅዩ)DSD*ă ၅ሌڳጤᆡࡀ߱ဪછᆐ1Ljઁ࠭9ᆡଜᔙ൩ࡼᔢࢅ ᎌᆡఎဪLjڳၫጞࠨጤྜྷDSDखညLjጙࠨᒑጤྜྷጙ ᆡăࡩጤྜྷཝࡼݝ9ᆡଜᔙ൩ઁLjᏳጤྜྷኔăࡩጤྜྷ ኔࡼᔢઁጙᆡઁLjጤᆡࡀᒦࡼᒋဵܣDSD൩ăྙ ਫଖኚጤྜྷऩૄࡼ9ᆡDSDቅዩ൩Ljጤᆡࡀਙഃă IzhspdispoဵNbyjn! Joufhsbufe! Qspevdut-! Jod/ࡼܪă ______________________________________________________________________________________ www.BDTIC.com/maxim 11 ET2:34 ``````````````````````````````` ሮᇼႁී ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo 1-Wire PORT ROM FUNCTION CONTROL IO 64-BIT LASERED ROM MEMORY FUNCTION CONTROL 3V LITHIUM PARASITE-POWERED CIRCUITRY 256-BIT SCRATCHPAD DS1923 GENERAL-PURPOSE SRAM (512 BYTES) INTERNAL TIMEKEEPING, CONTROL REGISTERS, AND COUNTERS 32.768kHz OSCILLATOR THERMAL SENSE HUMIDITY SENSOR AND ADC2 REGISTER PAGES (64 BYTES) CALIBRATION MEMORY (64 BYTES) ADC1 CONTROL LOGIC DATA-LOG MEMORY 8KB ᅄ2/! ऱౖᅄ 12 ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ET2:34 1-Wire NET BUS MASTER OTHER DEVICES DS1923 COMMAND LEVEL: AVAILABLE COMMANDS: DATA FIELD AFFECTED: 1-Wire ROM FUNCTION COMMANDS READ ROM MATCH ROM SEARCH ROM CONDITIONAL SEARCH ROM SKIP ROM RESUME OVERDRIVE-SKIP ROM OVERDRIVE-MATCH ROM 64-BIT ROM, RC-FLAG 64-BIT ROM, RC-FLAG 64-BIT ROM, RC-FLAG 64-BIT ROM, RC-FLAG, ALARM FLAGS, SEARCH CONDITIONS RC-FLAG RC-FLAG RC-FLAG, OD-FLAG 64-BIT ROM, RC-FLAG, OD-FLAG WRITE SCRATCHPAD READ SCRATCHPAD COPY SCRATCHPAD WITH PW READ MEMORY WITH PW AND CRC CLEAR MEMORY WITH PW 256-BIT SCRATCHPAD, FLAGS 256-BIT SCRATCHPAD 512-BYTE DATA MEMORY, REGISTERS, FLAGS, PASSWORDS MEMORY, REGISTERS, PASSWORDS MISSION TIMESTAMP, MISSION SAMPLES COUNTER, START DELAY, ALARM FLAGS, PASSWORDS MEMORY ADDRESSES 020Ch TO 020Fh FLAGS, TIMESTAMP, MEMORY ADDRESSES 020Ch TO 020Fh (WHEN LOGGING) FLAGS DS1923-SPECIFIC MEMORY/CONTROL FUNCTION COMMANDS FORCED CONVERSION START MISSION WITH PW STOP MISSION WITH PW ᅄ3/! 2.Xjsfፇࡼॊށஉ৩ MSB LSB 8-BIT CRC CODE MSB 8-BIT FAMILY CODE (41h) 48-BIT SERIAL NUMBER LSB LSB MSB LSB MSB ᅄ4/! 75ᆡరSPN POLYNOMIAL = X8 + X5 + X4 + 1 1ST STAGE X0 2ND STAGE X1 3RD STAGE X2 4TH STAGE X3 5TH STAGE X4 6TH STAGE X5 7TH STAGE X6 8TH STAGE X7 X8 INPUT DATA ᅄ5/! 2.Xjsf! DSDखည ______________________________________________________________________________________ www.BDTIC.com/maxim 13 ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ࡀ ᅄ6ဵET2:34ࡀ፯ܭă623ᔊஂᄰTSBNᆡ᎖1 ᒗ26ࡀǗ᎖ࢾਜ਼఼ᒜୈࡼᒬࡀᐴ ೫27ਜ਼28Ljᑚೝॊܰ߂ᆐࡀ2ਜ਼ࡀ 3! )ݬᅄ7*Ǘ29ਜ਼2:భᔫቅᓰၫࡼࡀ హମǗഺࡀᒦࡼĎၫഺď࠭ᒍ2111i! )239 *ఎဪLjጙᒇዓ367Ǘ31ᒗ238ࡀഔᔫ ౫ᐱăࡀᐴࡼဵএଝෂLjࡩሶTSBNࡀ ࡀቖྜྷၫဟᔫᆐદߡဧăቅᓰࡀᒦࡀ हᓹୈቅᓰჅኊࡼၫLjጲܣጙݛᄋဘࣞ0ᆨࣞࣗ ၫࡼறࣞLjሮᇼดྏ༿ݬఠ ྟୈቅᓰႯज ݝॊLjቅᓰࡀ ࡼᔢઁጙৈᔊஂဵ༄42ᔊஂࡼ9ᆡDSD൩ăࡀ ࡼ2:ဵ29ࡼጙৈআ۾LjႰઓభጲᒮቖቅᓰ ࡀLjࡣᄰݙޟፇᑚඐᔪăྙੜۣઐকࡀࡼऱ जݬ ڔཝଝම ݝॊăᑚቋࡀࡼषᆰಢቯৌᄏ ࡼࡀᎌਈLjᄴဟથན᎖Ᏼᄏྀᇗᒦ࣪ᑚቋୈ ࡼᒙLjሮᅄ7ăၫഺࡀဵᒑࣗࡼLjቖݷᔫ ဵᏴຢด఼ᒜ൝ࡼࣖೂପ఼ሆᅲ߅ࡼăୂ᎖ቖषᆰ൝ ࡼᄂၐቶ)ቖࡀĂআᒜࡀ*Ljፇጙࠨཝݝ ෂቖ൸ăᑚጙਖᐌᄴዹး᎖ࡀLjሮᇼดྏ༿ ݬఠᒍࡀਜ਼ࠅၒᓨზݝॊă 32-BYTE INTERMEDIATE STORAGE SCRATCHPAD ADDRESS 0000h TO 001Fh 32-BYTE GENERAL-PURPOSE SRAM (R/W) PAGE 0 0020h TO 01FFh GENERAL-PURPOSE SRAM (R/W) PAGES 1 TO 15 0200h TO 021Fh 32-BYTE REGISTER PAGE 1 PAGE 16 0220h TO 023Fh 32-BYTE REGISTER PAGE 2 PAGE 17 0240h TO 025Fh CALIBRATION MEMORY PAGE 1 (R/W) PAGE 18 0260h TO 027Fh CALIBRATION MEMORY PAGE 2 (R/W) PAGE 19 0280h TO 0FFFh (RESERVED FOR FUTURE EXTENSIONS) PAGES 20 TO 127 1000h TO 2FFFh DATA-LOG MEMORY (READ ONLY) PAGES 128 TO 383 ᅄ6/! ࡀ፯ 14 ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo BIT 7 0200h 0 BIT 6 10 Seconds Single Seconds 0201h 0 10 Minutes Single Minutes 0202h 0 12/24 0203h 0 0 0204h CENT 0 0205h BIT 5 20 Hour AM/PM BIT 4 BIT 3 10 Hour BIT 1 BIT 0 Single Date 10 Months 0 High Byte 0208h Low Threshold 0209h High Threshold 020Ah Low Threshold 020Bh High Threshold 020Ch R/W R Sample Rate R/W R Temperature Alarms R/W R Humidity Alarms R/W R Latest Temperature R R Latest Humidity R R Single Years Low Byte 0 ACCESS* Single Months 10 Years 0206h 0207h FUNCTION RealTime Clock Registers Single Hours 10 Date 0 BIT 2 Low Byte 0 020Dh 0 0 0 0 High Byte 020Eh Low Byte 020Fh High Byte 0210h 0 0 0 0 0 0 ETHA ETLA Temperature Alarm Enable R/W R 0211h 1 1 1 1 1 1 EHHA EHLA Humidity Alarm Enable R/W R 0212h 0 0 0 0 0 0 EHSS EOSC RTC Control R/W R 0213h 1 1 SUTA RO HLFS TLFS EHL ETL Mission Control R/W R 0214h BOR 1 1 1 HHF HLF THF TLF Alarm Status R R 0 General Status R R Start Delay Counter R/W R 0215h 1 1 ET2:34 ADDRESS 0 WFTA MEMCLR 0216h Low Byte 0217h Center Byte 0218h High Byte 0 MIP *षᆰಢቯ)BDDFTT*ጙሲᒦᔧݾጙᒎࡼဵᏴྀᇗᒄମᎌࡼषᆰಢቯLjᎎݾጙᒎࡼဵᏴྀᇗ߈ᒦభࡼषᆰಢቯă ᅄ7/! ࡀ፯ ______________________________________________________________________________________ www.BDTIC.com/maxim 15 ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ADDRESS BIT 7 0219h 0 10 Seconds Single Seconds 021Ah 0 10 Minutes Single Minutes 021Bh 0 12/24 021Ch 0 0 021Dh CENT 0 021Eh BIT 6 BIT 5 20 Hour AM/PM BIT 4 BIT 3 BIT 2 10 Hour Single Hours 10 Date 0 BIT 1 Single Date 10 Months BIT 0 FUNCTION ACCESS* Mission Timestamp R R Single Months 10 Years Single Years 021Fh (No Function; Reads 00h) — R R 0220h Low Byte 0221h Center Byte R R 0222h High Byte Mission Samples Counter 0223h Low Byte 0224h Center Byte R R 0225h High Byte Device Samples Counter 0226h Configuration Code Flavor R R 0227h EPW PW Control R/W R 0228h First Byte … … W — 022Fh Eighth Byte Read Access Password 0230h First Byte … … W — 0237h Eighth Byte Full Access Password (No function; all these bytes read 00h) — R R 0238h … 023Fh *षᆰಢቯ)BDDFTT*ጙሲᒦᔧݾጙᒎࡼဵᏴྀᇗᒄମᎌࡼषᆰಢቯLjᎎݾጙᒎࡼဵᏴྀᇗ߈ᒦభࡼषᆰಢቯă ᅄ7/! ࡀ፯)ኚ* 16 ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ݧዹႥൈ ଐဟਜ਼಼྇ ᄰਭࣗ0ቖᒍ1311iᒗ1316iࡀࡼ࣪።ᔊஂభषᆰ ဣဟဟᒩਜ਼಼྇ቧᇦăᆐ೫ۣᑺᎌࡼࣗݷᔫLjܘኍ࠭ 1311iᒍఎဪږၿኔࣗནჅᎌဣဟဟᒩࡀă෭ቋ ဣဟဟᒩᆡۻᒙᆐ1Ljᇄ൙ቖྜྷဠඐቧᇦLjᑚቋᆡࡼᒋဪ ᒫᆐ1ăSUDࡀᒦၫࡼܠ൩ተါᆐऔᒜܠ൩ࡼလ ᒜ)CDE*ৃါă ET2:34ࡼဣဟဟᒩᎌೝᒬመာෝါǖ23ቃဟ35ቃဟLj భᄰਭቃဟࡀ)ᒍᆐǖ1313i*ࡼ7ᆡᒙLjࡩক ᆡᆐ࢟ຳဟLjܭာኡᐋ೫23ቃဟෝါăᏴ23ቃဟෝါ ሆLj6ᆡᒎ߲೫ဵBNથဵQNLjྦBN0QNᆡᆐ2Ljܭ ာQNăᏴ35ቃဟෝါሆLj6ᆡဵ31ቃဟᆡ)31࢛ᒗ34࢛*ă Ꮬࡀࡼ8ᆡ)DFOUᆡ*భቖLjࡩฤଐၫᎅ::ܤᆐ11 ဟLjকᆡࡼᓨზ્खညሤ።ࡼখܤă ݧዹႥൈࡀ)ᒍᆐǖ1317iਜ਼1318i*ᒦࢾፃ೫ೝৈဘ ࣞ0ᆨࣞഺူୈᒄମࡼဟମମ)FITT > 2ဟLjጲଐ ၫǗFITT > 1ဟLjጲॊᒩଐၫ*ăݧዹႥൈဵጙৈᇄ९ቯ ࡼ25ᆡऔᒜ൩Ljནᒋपᆍᆐ2ᒗ27-494ăྙਫFITT > 2Lj ܭာೝৈഺူୈᒄମࡼᔢဟମମᆐ 2 Ljᔢޠᆐ 5/66ቃဟ)ݧዹႥൈᆐ4GGGi*ăྙਫFITT > 1Ljᐌᔢဟମ ମᆐ2ॊᒩLjᔢޠᆐ384/16ቃဟ)ݧዹႥൈᆐ4GGGi*ăᑚ ৈFITTᆡᆡ᎖SUD఼ᒜࡀ)ᒍᆐ1323i*ᒦăፐࠥLj ࣪ઓႁLjᄰਭᒙFITTᆡ૾భ࣪ݧዹႥൈቲᒙLj ᑚጙ࢛ᎄᆐᒮገăݧዹႥൈᒙᆐ 1111i ဟݧዹႥൈ > 1112iLjোFITTᆡᓨზLjET2:34Ᏼඛॊᒩᑗඛ ᒩഺጙࠨᆨࣞă ಼྇൝ဵᆐྤฤࡼᔈࣅޡݗऎᓜඡଐࡼăඛࡩฤၫ ࡼઁೝᆡဵ11ဵ5ࡼᑳၫ۶ဟLjୈ્ᔈࣅࡩڳฤࡼऔ Ꮬ॑খ߅3:ᄖLjᑚᒬቅᓰᔫ્ጙᒇߒኚࡵ)ࡣ۞ݙ౪* 3211ฤă SUDࡀ ADDRESS BIT 7 0200h 0 10 Seconds Single Seconds 0201h 0 10 Minutes Single Minutes 0 20 Hour AM/PM 0202h BIT 6 BIT 5 12/24 0203h 0 0 0204h CENT 0 0205h BIT 4 BIT 3 10 Hour BIT 1 BIT 0 Single Hours 10 Date 0 BIT 2 Single Date 10 Months Single Months 10 Years Single Years ᓖǖᏴྀᇗᒊቲ໐ମLjᒑถࣗནᑚቋࡀᒦࡼၫăܪᆐĐ1đࡼᆡࣗၫဪᒫᆐ1Ljݙถቖ2ă ݧዹႥൈࡀ ADDRESS BIT 7 BIT 6 0 0 0206h 0207h BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 Sample Rate Low Sample Rate High ᓖǖᏴྀᇗᒊቲ໐ମLjᒑถࣗནᑚቋࡀᒦࡼၫăܪᆐĐ1đࡼᆡࣗၫဪᒫᆐ1Ljݙถቖ2ă ______________________________________________________________________________________ www.BDTIC.com/maxim 17 ET2:34 ````````````````````````` ࡀሮᇼႁී ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ᆨࣞᓞધ ET2:34ถހࡼᆨࣞपᆍᆐǖ.31°Dᒗ,96°Dăᆨࣞࡼࣗၫ ᒋభጲܭာᆐ9ᆡ27ᆡࡼᇄ९औၫLj9ᆡෝါဟࡼॊ ܦൈᆐ1/6°DLj27ᆡဟᆐ1/1736°Dă ᆨࣞᓞધஉਫࡼᔊஂUSIဪᒫဵᎌࡼăݧ27ᆡଐၫ ෝါဟLjࢅᔊஂUSMࡼ4ৈᔢᆡᎌLj6ৈࢅᆡཝݝ ᆐഃăྙਫୈݧ9ᆡᆨࣞᒋଐၫෝါLjᐌUSMᇄࢾፃă ྙਫᆨࣞᓞધઁࡻࡵࡼၫᒋި߲೫पᆍLjᑚৈᒋۻ ഺᆐ11i1111i )ᆨࣞਭࢅ*LjGGiGGF1i )ᆨࣞਭ*ă ᏴUSIਜ਼USMܭာᆐࢀଥࡼလᒜᆨࣞࣗၫဟLjᐌᆨࣞᒋ ᎅሆါଐႯǖ ϑ)°D*! >! USI03! .! 52! ,! USM0623! )27ᆡෝါLj UMGT! >! 2Ljᒍ1324i* ϑ)°D*! >! USI03! .! 52! )9ᆡෝါLjUMGT! >! 1Lj ᒍ1324i* কါᏴᓞધࡀᏴၫഺࡀᒦࡼᆨࣞጲૺࡀ Ᏼࡩ༄ᆨࣞᓞધஉਫࡀᒦࡼၫဟᎌă ᆐཀྵࢾᆨࣞۨவඡሢLjኊገෂࡼါܤધ߅ǖ UBMN! >! 3! y! ϑ)°D*! ,! 93 ᎅ᎖ᆨࣞۨவᥬᒋဵጙৈᔊஂܭာࡼLjፐࠥࡼॊ ܦൈਜ਼ᆨࣞᐐᒑถဵ1/6°DăࡩገڳUBMNᒋቖࡵጙৈ ᆨࣞۨவᥬᒋࡀ)ࢅᆨۨவᥬᒋࡀहᒍᆐ1319iǗ ᆨۨவᥬᒋࡀहᒍᆐ131:i*ᒦဟLj።ሌڳᓞધ߅27 ᒜၫࡼৃါăᇄ൙ݧੜᒬᓞધऱါ)9ᆡ27ᆡ*Ljᒑᎌ োᆨࣞᓞધஉਫᔢᎌᔊஂࡼᒋݣถཀྵࢾဵ॥ޘည ۨவă ဘࣞᓞધ ߹೫ᆨࣞᒄᅪLjET2:34થถ৫ጲ9ᆡ27ᆡৃါഺဘࣞă ဘࣞࣗၫܭာᆐ9ᆡ27ᆡᇄ९ࡼऔᒜၫLjᏴ9ᆡෝ ါဟࡼॊܦൈᆐ1/75&SILj27ᆡဟࡼॊܦൈᆐ1/15&SIă ྙਫڳET2:34ࢾᏴഺဘࣞၫࡼᓨზLjกඐᒑገᒊ ቲGpsdfe DpowfstjpoෘഎᑗᏴᒊቲྀᇗ໐ମLjET2:34࣒ ્࠭ဘࣞࠅঢᒦࣗནၫ)ݬࡀਜ਼఼ᒜถෘഎ ݝॊ*ăᇄ൙ဵ॥ࢾLjET2:34ᔐဵጲ27ᆡৃါ࠭ဘࣞࠅ ঢᒦࣗནၫăဘࣞࣗၫࡼᔢቤഺࡀहᏴᒍ131Fi )ࢅᔊஂ*ਜ਼131Gi )ᔊஂ*ᒦLj࠭ဘࣞࠅঢࣗནࡼᔢᎌ ᆡဪᒫᆐᒍ131GiᒦࡼI22ăᎅ᎖ဘࣞࠅঢဵጲ23ᆡ ৃါၒ߲ၫࡼLjፐࠥᏴ27ᆡෝါሆᔢઁ5ᆡᆚࢾፃă ࡩ༄ᆨࣞᓞધஉਫࡀ ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 BYTE 020Ch T2 T1 T0 0 0 0 0 0 TRL 020Dh T10 T9 T8 T7 T6 T5 T4 T3 TRH ܭ2/! ᆨࣞᓞધಿ MODE 8-Bit TRH TRL HEX DECIMAL HEX DECIMAL 54h 84 — — 1.0 8-Bit 17h 23 — — -29.5 16-Bit 54h 84 00h 0 1.000 16-Bit 17h 23 60h 96 -29.3125 ܭ3/! ᆨࣞۨவඡሢಿ (°C) 18 (°C) TALM HEX DECIMAL 25.5 85h 133 -10.0 3Eh 62 ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 020Eh H3 H2 H1 H0 X X X X HRL 020Fh H11 H10 H9 H8 H7 H6 H5 H4 HRH Ᏼྀᇗ߈ᒦLjྙਫ૮೫ဘࣞഺLjဪᒫISIᔊ ஂ)I22ᒗI5*ഺၫăᒑᎌET2:34ࠀ᎖27ᆡဘࣞഺ ෝါLjݣဧISMᔊஂഺၫăഺෝါ)9ᆡ27 ᆡ*భጲᄰਭྀᇗ఼ᒜࡀ)ᒍᆐ1324i*ᒦࡼIMGTᆡ ࢾă BYTE ᏴISIਜ਼ISMܭာᆐࢀࡼလᒜဘࣞࣗၫဟLjဘࣞᒋ ᎅሆܭᒦࡼါଐႯă 16-BIT MODE, HLFS = 1 8-BIT MODE, HLFS = 0 IVAL = (HRH x 256 + HRL)/16 Round IVAL down to the nearest integer; this eliminates the undefined 4 bits of HRL. (N/A) ADVAL = IVAL x 5.02/4096 ADVAL = HRH x 5.02/256 HUMIDITY(%RH) = (ADVAL - 0.958)/0.0307 ࠭ၤࡼ߲ࡻৃܭၫஉਫᒑဵᏇဪၫLjኊገளਭቅ ᓰݣถࡻৎᆐறཀྵࡼހᒋăሮᇼᓾ೯భݬ ဘࣞࡼ ྟୈቅᓰႯजݝॊă ᆐཀྵࢾဘࣞۨவඡሢLjኊገෂࡼါܤધ߅ǖ ADVAL = HUMIDITY(%RH) x 0.0307 + 0.958 HALM = ADVAL x 256/5.02 IBMNᒋ႐ᇋྜྷᒗᔢதࡼᑳၫᒋă ᏴIBMNᒋቖྜྷဘࣞۨவᥬᒋࡀ)ဘࣞሆሢۨவᥬᒋ ࡀहᒍᆐ131BiǗဘࣞሢۨவᥬᒋࡀहᒍᆐ131Ci* ᒄ༄Lj።ሌܤᆐလങᒜၫࡼተါăᇄ൙ݧੜᒬ ᓞધऱါ)9ᆡ27ᆡ*Ljᒑᎌোဘࣞᓞધஉਫࡼᔢᎌ ᔊஂݣถཀྵࢾဵ॥ޘညۨவăᎅ᎖ۨவᥬᒋဵᑣ࣪Ꮗ ဪဘࣞࣗၫࡼLjፐࠥLjྙਫဧྟୈቅᓰถLjกඐᏴ ଐႯဘࣞۨவᥬᒋᒄ༄Ljገྟڳୈቅᓰઁࡼၫᓞધ߅ Ꮗဪၫăྙǖገۨڳவᥬᒋᆐ71&SILj71&SIඡሢ భถ࣪።ࡼᏇဪࣗၫᆐ76&SI )ಿྙቅᓰ༄*ăገۨڳவ ᥬᒋᆐ71&SI )ቅᓰઁ*LjIBMNଐႯဟܘኍဵږ76&SI ଐႯă ጲಿᔇᎌఠྟୈቅᓰࡼ፬ሰă ܭ4/! ဘࣞᓞધಿ HRH MODE HRL HUMIDITY (%RH) HEX DECIMAL HEX DECIMAL 8-bit B5h 181 8-bit 67h 103 34.59 16-bit B5h 181 C0h 12 84.89 16-bit 67h 103 30h 48 34.70 84.41 ܭ5/! ဘࣞۨவඡሢಿ HUMIDITY (%RH) HALM HEX DECIMAL 65 97h 151 25 58h 88 ______________________________________________________________________________________ www.BDTIC.com/maxim 19 ET2:34 ࡩ༄ဘࣞᓞધஉਫࡀ ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ᆨࣞࠅঢ఼ᒜࡀ ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 0210h 0 0 0 0 0 0 ETHA ETLA ᓖǖᏴྀᇗ߈ᒦLjᒑถ࣪কࡀቲࣗݷᔫăᒦ3ᆡᒗ8ᆡܭݙာྀੜถLjࣗၫဪᒫᆐ1༦ݙถۻቖᆐ2ă ဘࣞࠅঢ఼ᒜࡀ ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 0211h 1 1 1 1 1 1 EHHA EHLA ᓖǖᏴྀᇗ߈ᒦLjᒑถ࣪কࡀቲࣗݷᔫăᒦ3ᆡᒗ8ᆡܭݙာྀੜถLjࣗၫဪᒫᆐ2༦ݙถۻቖᆐ1ă SUD఼ᒜࡀ ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 0212h 0 0 0 0 0 0 EHSS EOSC ᓖǖᏴྀᇗ߈ᒦLjᒑถ࣪কࡀቲࣗݷᔫăᒦ3ᆡᒗ8ᆡܭݙာྀੜถLjࣗၫဪᒫᆐ1༦ݙถۻቖᆐ2ă ᆨࣞࠅঢۨவ ET2:34ᎌೝৈࡀᆨࣞۨவᥬᒋࡼࡀ)ᒍ1319iĂ 131:i*Ljকᥬᒋభ᎖ஏࢾଶހᆨࣞဵ॥ጯࡉஏᒋăࡩ ހᆨࣞࡉࡵࢾࡼۨவᆨࣞ༦ۨவቧࠀ᎖భᓨზ ဟLjET2:34ᒊቲᆨࣞۨவăᆨࣞۨவဧถᆡFUMBਜ਼ FUIB ᆡ᎖ᆨࣞࠅঢ఼ᒜࡀᒦLjᆨࣞۨவܪᒔᆡ UMGਜ਼UIGᆡ᎖ۨவᓨზࡀ)ᒍ1325i*ᒦă 2ᆡǖᆨࣞሢۨவဧถᆡ)FUIB*ăᏴጙሲྀᇗ໐ମLj কᆡ఼ᒜࡩᆨࣞᓞધஉਫࢀ᎖᎖ᆨۨவᥬᒋ ࡀดࡼᒋဟLjᆨۨவܪ)UIG*ဵ॥ۻᒙᆡăFUIB ᆐ2ဟLjීܭᆨۨவถభǗFUIBᆐ1ဟLjޘݙညᆨ ࣞሢۨவቧă 1ᆡǖᆨࣞሆሢۨவဧถᆡ)FUMB*ăᏴጙሲྀᇗ໐ମLj কᆡ఼ᒜࡩᆨࣞᓞધஉਫࢀ᎖ࢅ᎖ࢅᆨۨவᥬᒋ ࡀดࡼᒋဟLjࢅᆨۨவܪ)UMG*ဵ॥ۻᒙᆡăFUMB ᆐ2ဟLjࢅීܭᆨۨவถభǗFUMBᆐ1ဟLjޘݙညᆨ ࣞሆሢۨவቧă ဘࣞۨவ 2ᆡǖဘࣞሢۨவဧถᆡ)FIIB*ăᏴጙሲྀᇗ໐ମLj ࡩဘࣞᓞધஉਫࢀ᎖᎖ဘࣞሢۨவᥬᒋࡀด ࡼᒋLjকᆡ఼ᒜဘࣞሢۨவܪ)IIG*ဵ॥ۻᒙᆡă FIIBᆐ2ဟLjဘࣞሢۨவถభǗFIIBᆐ1ဟLjݙ ޘညဘࣞሢۨவቧă 1ᆡǖဘࣞሆሢۨவဧถᆡ)FIMB*ăᏴጙሲྀᇗ໐ମLj কᆡ఼ᒜࡩဘࣞᓞધஉਫࢀ᎖ࢅ᎖ဘࣞሆሢۨவ ᥬᒋࡀดࡼᒋဟLjဘࣞሆሢۨவܪ)IMG*ဵ॥ۻᒙ ᆡăFIMBᆐ2ဟLjဘࣞሆሢۨவถభǗFIMBᆐ1ဟLj ޘݙညဘࣞሆሢۨவቧă SUD఼ᒜ ᆐ೫ဧET2:34ࡼଢ଼ᒗᔢࢅLjᏴୈᆚဧဟLj። ୈดࡼݝဣဟဟᒩᑩਈܕăকᑩࡼఎ0ਈ఼ᒜ ᆡᆡ᎖SUD఼ᒜࡀดăSUDࡀᒦથᎌFITTᆡLjক ᆡݧዹႥൈࡼᆡᒙᆐॊᒩă 2ᆡǖႥݧዹဧถᆡ)FITT*ăকᆡ᎖ᒙݧዹႥ ൈଐၫࡼႥࣞăࡩۻᒙᆐ൝1ဟLjݧዹႥൈࡼᆡဵ ॊᒩăࡩۻᒙᆐ൝2ဟLjݧዹႥൈࡼᆡဵă ET2:34ᎌೝৈࡀဘࣞۨவᥬᒋࡼࡀ)ᒍ131BiĂ 131Ci*Ljকᥬᒋభ᎖ஏࢾހࡼဘࣞᒋဵ॥ࡉࡵۨவᒋLj ဵ॥భጲࣅۨவቧăྙਫހဘࣞࡉࡵࢾࡼۨவ ᒋ݀༦ۨவቧࠀ᎖ဧถᓨზLjᐌୈख߲ဘࣞۨவቧ ăဘࣞۨவဧถᆡFIMBਜ਼FIIBᆡ᎖ဘࣞࠅঢ఼ᒜ ࡀᒦăሤ።ࡼဘࣞۨவܪᒔᆡIMGਜ਼IIGᆡ᎖ۨவᓨ ზࡀ)ᒍ1325i*ᒦă 20 ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ྀᇗ఼ᒜ ᄰਭሶᄂࢾถࡀᒦቖྜྷးࡩࡼၫLjభጲᒙ ET2:34ࡼᔫᓨზLjᑚቋถࡀᆡ᎖ೝৈࡀᒦă ྀᇗ఼ᒜࡀభቲጲሆᒙǖဵ॥ഺᆨࣞਜ਼0 ဘࣞၫĂဧࡼဵጙᒬၫৃါ)9ᆡ27ᆡ*Ăጲ ૺၫഺࡀࡀ൸ဟဵ॥ቤၫঙၫăభ এଝ఼ᒜᆡᒙᆐ2ဧET2:34ख߲ᆨࣞۨவቧᒄ༄ࠀ᎖ ࢀࡗഺၫࡼᓨზă 6ᆡǖᆨࣞۨவઁࣅྀᇗ)TVUB*ăকᆡ᎖ᒙဵ ᒇఎဪᒊቲጙሲྀᇗ)۞౪ዓߕጙࣤဟମઁࣅྀᇗ*Lj થဵኊገጙৈᆨࣞۨவቧࣅྀᇗăྙਫকᆡᆐ2Lj ᐌୈ્ጲᒎࢾࡼݧዹႥൈᒊቲ9ᆡᆨࣞᓞધLj݀༦ᒑᎌ ࡩᆨࣞࡉۨவᒋ)ሢᒋሆሢᒋ*ဟݣఎဪഺၫLj݀ Ᏼख߲ۨவቧࡼกጙဟరఎဪഺጙৈᆨࣞᒋLjݙ ਭࠥဟྀᇗݧዹଐၫ݀ݙଝ2ăᒑᎌࡩᆨࣞഺถۻ ૮)FUM > 2*ဟLjݣభဧᆨࣞۨவઁࣅྀᇗถă 5ᆡǖनᓞ఼ᒜᆡ)SP*ăᏴጙࠨྀᇗ໐ମLjকᆡ᎖఼ ᒜࡩၫഺࡀࡀ൸ဟLjဵቤၫঙࢬၫ ഺࡀᒦࡼၫLjથဵᄫᒏഺၫăকᆡᒙ2భ ࣅनᓞถLjဧၫഺ࠭ఎဪଖኚቲ݀ঙጲ 4ᆡǖဘࣞഺৃါኡᐋᆡ)IMGT*ăকᆡᒙၫ ഺࡀᒦဘࣞࣗၫࡼৃါăIMGTᆐ1ဟLjࡀࡼဵ9 ᆡၫăIMGTᆐ2ဟLjࡀࡼဵ27ᆡၫ)ॊܦൈ*ăݧ 27ᆡৃါဟၫࡼᔢᎌᔊஂࡀᏴࢅᆡᒍᏄă 3ᆡǖᆨࣞഺৃါኡᐋᆡ)UMGT*ăকᆡᒙၫ ഺࡀᒦᆨࣞࣗၫࡼৃါăUMGTᆐ1ဟLjࡀࡼဵ9 ᆡၫăUMGTᆐ2ဟLjࡀࡼဵ27ᆡၫ)ॊܦൈ*ăݧ 27ᆡৃါဟၫࡼᔢᎌᔊஂࡀᏴࢅᆡᒍᏄă 2ᆡǖဘࣞഺဧถᆡ)FIM*ăᆐဧୈᔫ᎖ဘࣞ ഺᓨზLjকᆡܘኍۻᒙᆐ൝2ăྙਫᆨࣞૺဘࣞഺ ถۻ૮Ljᐌഺࡼဘࣞᒋဪᒫ࠭ᒍ3111i! )UMGT! > IMGT*2B11i )UMGT > 1ǗIMGT > 2*3511i! )UMGT! >! 2 < IMGT! >! 1*ఎဪࡀăྦᒑ૮೫ဘࣞഺถLjჅഺ ࡼၫᒋ࠭ᒍ2111iఎဪࡀăᎅ᎖Ᏼݙᒀࡸᆨࣞဟࡼဘ ࣞၫဵᇄపኧଥᒋࡼLjፐࠥᄰ༽ޟౚሆ።ဧဘࣞਜ਼ ᆨࣞഺถࠀ᎖૮ᓨზ)૾ǖFUMਜ਼FIMᒙᆐ2*ă 1ᆡǖᆨࣞഺဧถᆡ)FUM*ăᆐဧୈᔫ᎖ᆨࣞ ഺᓨზLjকᆡܘኍۻᒙᆐ൝2ăᆐၿಽᒊቲᆨࣞഺྀ ᇗLjFUMFIMܘኍᒙᆐ2ăྙਫᆨࣞഺถۻ૮LjჅ ഺࡼᆨࣞᒋဪᒫ࠭ᒍ2111iఎဪࡀă ྀᇗ఼ᒜࡀ ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 0213h 1 1 SUTA RO HLFS TLFS EHL ETL ᓖǖᏴྀᇗ߈ᒦLjᒑถ࣪কࡀቲࣗݷᔫăᒦ7ᆡਜ਼8ᆡܭݙာྀੜถLjࣗၫဪᒫᆐ2༦ݙถۻቖᆐ1ă ______________________________________________________________________________________ www.BDTIC.com/maxim 21 ET2:34 ༄Ⴥഺࡼၫăྙਫকᆡᒙᆐ1Ljᐌጙࡡၫഺࡀ ࡀ൸Ljᄫᒏၫഺਜ਼ᓞધăݙਭࠥဟSUDଖኚ ᔫLjᄴဟNJQᆡۣߒᆐ2LjᒇࡵୈᒊቲTupq! Njttjpoෘ എဟᆐᒏă 1ᆡǖᑩဧถᆡ)FPTD*ăকᆡ఼ᒜဣဟဟᒩ ᄏᑩࡼఎ0ਈăࡩۻᒙᆐ൝2ဟLjᑩࣅăࡩۻ ᒙᆐ൝1ဟLjᑩਈܕLjୈࠀ᎖ࢅၫۣߒෝ ါăᄰ༽ޟౚሆকᆡܘኍۻᒙᆐ2ăGpsdfe Dpowfstjpoᑗ Tubsu! NjttjpoෘഎభFPTDᆡᒙᆐ2ᔈࣅࣅSUDă ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ۨவᓨზࡀ ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 0214h BOR 1 1 1 HHF HLF THF TLF ᓖǖ࣪কࡀᒑถቲࣗݷᔫăᒦ5ᆡᒗ7ᆡࡼถᎌࢾፃLjඣࡼᒋဪᒫᆐ2ăࡩࢯDmfbs! NfnpszෘഎဟLjকࡀࡼ 6ৈۨவᓨზᆡۻᄴဟ༹ഃăሮᇼႁී༿ݬࡀਜ਼఼ᒜถෘഎݝॊă ᄰᓨზࡀ ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 0215h 1 1 0 WFTA MEMCLR 0 MIP 0 ᓖǖᒑถ࣪কࡀቲࣗݷᔫăᒦ1ᆡĂ3ᆡĂ6ᆡĂ7ᆡਜ਼8ᆡᎌྀੜถă ۨவᓨზ ᄰᓨზ Ᏼྀᇗ߈ᒦLjཀྵࢾჅހࡼᆨࣞဘࣞဵ॥ިਭᥬ ᒋࡼᔢႥࡼऱजဵࣗۨவᓨზࡀᒋăᏴ۞ࣶৈ ET2:34! jCvuupoࡼᆀણஹᒦLjభᄰਭᒊቲDpoejujpobm! Tfbsdi SPNෘഎ)ݬ 2.Xjsf SPNถෘഎݝॊ*ኸႥဤܰख߲ۨ வቧࡼET2:34ăᆨࣞĂဘࣞۨவถᒑᎌᏴۻ૮ဟݣ ถᔫ)༿ݬఠᆨࣞࠅঢۨவਜ਼ဘࣞۨவݝॊ*ăCPS ۨவถဪᒫࠀ᎖૮ᓨზă ᄰᓨზࡀᒦࡼቧᇦসᒀᓍ૦Ꭷྀᇗሤਈࡼෘ എဵ॥߅ۻᒊቲăকࡀࡼᓨზᆡॊܰීܭ ET2:34ဵ॥ᑵᏴᒊቲጙሲྀᇗĂဵ॥ᑵᏴࢀࡗᆨࣞۨவ ጲ߿खၫഺྀᇗLjጲૺဵ॥ጯ༹߹೫Ᏼᔢቤጙࠨྀ ᇗᒦ၃ࡼၫă 8ᆡǖ࢟ߔ࢟আᆡۨவᆡ)CPS*ăྙਫকᆡᆐ2Ljก ඐୈጯளᒊቲ೫ጙࠨ࢟আᆡăᑚීܭୈጯளߌ၊ ೫ጙࠨࡍࡻᔗጲᒦࣥด࢟ߔ࢟ݝᏎࡼߡૣăᑚဟୈ႒ ઃ྆భဧLjࡣࡼޣቅᓰၫጯளࣀပăࠥဟၫ ഺࡀᒦࡼჅᎌၫ࣒ܤᆐᇄă 4ᆡǖဘࣞሢۨவܪᒔ)IIG*ăྙਫকᆡᆐ2LjීܭᏴ ጙࠨྀᇗ໐ମᒗᎌጙৈဘࣞࣗၫᒋࢀ᎖᎖ဘࣞ ሢۨவࡀดࡼᒋă༓ቲᓞધ્፬ሰIIGᆡࡼᓨზă 3ᆡǖဘࣞሆሢۨவܪᒔ)IMG*ăྙਫকᆡᆐ2LjීܭᏴ ጙࠨྀᇗ໐ମᒗᎌጙৈဘࣞࣗၫᒋࢀ᎖ࢅ᎖ဘࣞሆ ሢۨவࡀดࡼᒋă༓ቲᓞધ્፬ሰIMGᆡࡼᓨზă 2ᆡǖᆨࣞሢۨவܪᒔ)UIG*ăྙਫকᆡᆐ2LjීܭᏴ ጙࠨྀᇗ߈ᒦᒗቲ೫ጙࠨᆨࣞᓞધLj݀༦ᓞધஉ ਫࢀ᎖᎖ᆨࣞሢۨவࡀดࡼᒋă༓ቲᓞધ્ ፬ሰUIGᆡࡼᓨზăᏴTVUB > 2ෝါሆকᆡጐభᎅጙ ࠨۨவᒙᆡă 5ᆡǖࢀࡗᆨࣞۨவ)XGUB*ăྙਫকᆡࣗᒋᆐ2Ljීܭ ኡᐋ೫ᆨࣞۨவઁࣅྀᇗถLj݀༦ጯள߅ᒊቲ೫ Tubsu! NjttjpoෘഎLjݙਭࠥဟୈથᎌख߲ᆨࣞۨவቧ ăࡩख߲ᆨࣞۨவቧઁকᆡ૾༹ۻഃLjᑚጙਭ߈Ꭷ ဵ॥ᒊቲDmfbs Nfnpszෘഎᇄਈăጙࡡকᆡۻᒙᆐ2Ljྙ ਫᏴᆨࣞۨவखညᒄ༄ᄫᒏྀᇗLjXGUBᆡጐۣߒᆐ2ă ᆐᏴఎဪጙሲቤྀᇗᒄ༄၄ࣅ༹ഃXGUBᆡLjభᆨࣞۨ வሢ)ᒍ131:i*ᆐ.51°D݀ᒊቲጙࠨ༓ᒜᓞધෘഎă 4ᆡǖࡀ༹ഃ)NFNDMS*ăྙਫকᆡᆐ2Ljྀීܭ ᇗဟܪĂྀᇗݧዹଐၫૺۨவᓨზࡀࡼჅᎌۨவ ܪᒔᆡ༹ۻഃLjᆐᒊቲቤࡼྀᇗᔪੑᓰ۸ăᒊቲDmfbs Nfnpszෘഎభ༹హጲࡀăጙࡡᄰਭᒊቲTubsu! Njttjpo ෘഎࣅ೫ጙሲቤྀᇗLjNFNDMSᆡೂ૾ܤᆐ1ăᏴఎဪ ጙሲቤྀᇗ༄ܘኍࡀ༹హă 2ᆡǖྀᇗᒊቲᒦ)NJQ*ăྙਫকᆡᆐ2Ljීܭୈጯۻ ᒙ೫ጙሲྀᇗ༦কྀᇗᑵᏴᒊቲࡩᒦăকྀᇗஉၦဟLjNJQ ᆡ࠭൝2ܤᆐ൝1Lj༿ݬఠ Tubsu! Njttjpo! \xjui! Qbttxpse^ \DDi^ਜ਼ Tupq Njttjpo \xjui Qbttxpse^ \44i^ݝॊă 1ᆡǖᆨࣞሆሢۨவܪᒔ)UMG*ăྙਫকᆡᆐ2LjීܭᏴ ጙࠨྀᇗ߈ᒦᒗቲ೫ጙࠨᆨࣞᓞધLj݀༦ᓞધஉ ਫࢀ᎖ࢅ᎖ᆨࣞሆሢۨவࡀࡼᒋă༓ᒜᓞધ્࣪ UMGᆡᓨზޘည፬ሰăᏴTVUB > 2ෝါሆকᆡጐభᎅ ጙࠨۨவᒙᆡă 22 ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 0216h Delay Low Byte 0217h Delay Center Byte 0218h Delay High Byte BIT 2 BIT 1 BIT 0 ᓖǖᏴྀᇗ໐ମLjᒑถ࣪কࡀቲࣗݷᔫă ྀᇗဟܪࡀ ADDRESS BIT 7 0219h 0 10 Seconds Single Seconds 021Ah 0 10 Minutes Single Minutes 0 20 Hours AM/PM 021Bh BIT 6 12/24 021Ch 0 0 021Dh CENT 0 021Eh BIT 5 BIT 4 BIT 3 10 Hours BIT 1 BIT 0 Single Hours 10 Date 0 BIT 2 Single Date 10 Months Single Months 10 Years Single Years ᓖǖᒑถ࣪কࡀቲࣗݷᔫă ྀᇗݧዹଐၫࡀ ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 0220h Low Byte 0221h Center Byte 0222h High Byte BIT 2 BIT 1 BIT 0 ᓖǖᒑถ࣪কࡀቲࣗݷᔫăᓖፀǖࡩดࡼݝᆨࣞਜ਼ဘࣞഺถۻ૮ဟLjྀᇗݧዹଐၫਜ਼ୈݧዹଐၫ࣒ඣᔫᆐጙ ৈူୈၫă ྀᇗࣅዓဟ ྀᇗဟܪ ྀᇗࣅዓߕଐၫࡀࡼᒋܭာ࠭ࣅྀᇗࡵ ቲጙࠨހᒄ༄)TVUB > 1*Lj࠭ࣅྀᇗࡵୈ ၃ࡵᆨࣞۨவቧ࠭ऎఎဪހᆨࣞᒄ༄)TVUB! >! 2*Ⴥள ಼ࡼዓߕဟମࡼޠăྀᇗࣅዓߕဟମᒋဵጙৈᇄ९ ቯ35ᆡᑳၫăᔢࡍዓߕဟମభᆐ27-888-326ॊᒩLjሤ ࡩ᎖22-761ᄖࡍᏖ42ฤăྙਫࣅዓߕဟମဵጙৈऻഃ ᒋ༦TVUBᆡᆐ2LjᐌࡩୈᏴᆨࣞۨவቧࡼᔫሆఎ ဪހᆨࣞ݀ഺၫ༄၅ሌገளਭጙࣤဟମࡼዓߕă ྀᇗဟܪഺ೫ྀᇗᒦጙৈᆨࣞ0ဘࣞݧዹᒋࡼഺ྇໐ ਜ਼ဟମăྀ࣪ᇗဟܪࡀᒑถቲࣗݷᔫă Ᏼ࢜ቯݷᔫᒦLjࣅዓߕဟମဵ1ăࡣྙਫᏴࢾࡼݧዹ ႥൈሆLjဧຢET2:34ࡀჅᎌࡼᆨࣞࣗၫྀᇗߒኚ ဟମਭޠဟLjభݧࣶৈୈৢᄴᅲ߅ހྀᇗLj݀ ಯᒙऔৈୈࡼྀᇗࣅዓߕဟମLjဧᒄᏴጙৈ ୈࡼࡀধጙࡀ൸ဟೂ૾ఎဪഺၫLjጲࠥಢᅎă ᆐ೫ऴᒏၫഺࡀᏴᆨࣞഺቖ൸ᒄઁۻᒮআቖ ྜྷLjܘኍྀᇗ఼ᒜࡀ)ᒍᆐ1324i*ᒦࡼSPᆡᒙ ᆐ1ă ྀᇗ߈ᒎာ োྀᇗ఼ᒜࡀ)ᒍ1324i*ࡼᒙ༽ౚLjET2:34భ ጲ9ᆡ27ᆡࡼৃါഺᆨࣞਜ਼0ဘࣞၫăਈ᎖FUMਜ਼ FIMᆡࡼႁීහၤ೫ၫᏴၫഺࡀᒦࡼࡀहᆡ ᒙăభᄰਭྀᇗݧዹଐၫࡼᒋĂၫࡀहࡼဪᒍ ਜ਼ၫഺৃါ)9ᆡ27ᆡ*ࣥၫ్ဵ॥ᎌLjক ၫ్ᔈࡩ༄ᑵᏴᒊቲࡼྀᇗ)NJQ > 2*ধধᒊቲᅲ ࡼᔢઁጙࠨྀᇗ)NJQ > 1*Ljሮᇼႁී༿ݬఠ ၫഺࡀ ࡼजݝॊăᓖፀǖᏴTVUB > 2ဟLjഺጙৈݧ ዹᒋဟྀᇗݧዹଐၫݙᐐଝă ྀᇗݧዹଐၫࡼᒋීܭᏴጙࠨᆨࣞਜ਼0ဘࣞހྀᇗ ໐ମLjET2:34ඛࣶޠဟମۻታጙࠨăকଐၫࡼᒋ ဵᇄ९ቯࡼ35ᆡᑳၫăᄰਭDmfbs Nfnpszෘഎభআᆡྀ ᇗݧዹଐၫă ______________________________________________________________________________________ www.BDTIC.com/maxim 23 ET2:34 ྀᇗࣅዓဟଐၫࡀ ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ୈݧዹଐၫࡀ ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 0223h Low Byte 0224h Center Byte 0225h High Byte BIT 2 BIT 1 BIT 0 ᓖǖ࣪কࡀᒑถቲࣗݷᔫă ୈᒙࡀ ADDRESS 0226h BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 PART 0 0 0 0 0 0 0 0 DS2422 0 0 1 0 0 0 0 0 DS1923 0 1 0 0 0 0 0 0 DS1922L 0 1 1 0 0 0 0 0 DS1922T 1 0 0 0 0 0 0 0 DS1922E ᓖǖ࣪কࡀᒑถቲࣗݷᔫă ම൩఼ᒜࡀ ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 0227h BIT 3 BIT 2 BIT 1 BIT 0 EPW ᓖǖᏴጙࠨྀᇗ໐ମLjᒑถ࣪কࡀቲࣗݷᔫă ᒎာ ୈݧዹଐၫᎧྀᇗݧዹଐၫಢ႒ăᏴྀᇗ߈ᒦLj ᇄ൙ੜဟLjᒑገET2:34ఎဪހ݀ഺၫLjࡩୈ ࠀ᎖ᆨࣞۨவࣅྀᇗෝါဟ၃ࡵۨவቧऎఎဪ ቲހLjୈݧዹଐၫࡼᒋ࣒ᔈࣅଝ2ăᏴೝࠨྀᇗᒄ ମLjᒑገᒊቲGpsdfe DpowfstjpoෘഎLjকଐၫࡼᒋጐ્ᔈ ࣅଝ2ăᎅࠥభLjୈݧዹଐၫࡼᔫሷጙৈjCvuupo ࢟࢟ߔࡼถଐᒎာă ᏴᓤjCvuupoୈဟLjୈݧዹଐၫਙഃăᏴᔢઁࡼހ ၂ᒦLjকଐၫࡼᒋᐐଝೝࠨăୈݧዹଐၫࡼᒋဵ ጙৈᇄ९ቯࡼ35ᆡᑳၫLjᔢࡍᒋభܭာᆐ27-888-326ă ᓍ૦భোୈᒙᔊஂࡼᒙ༽ౚཌॊET3533ਜ਼ݙ ᄴࡼ۾ۈET2:33 jCvuupoୈLjৈୈჅ࣪።ࡼࡔ൩༿ ݬఠୈᒙࡀܭă 24 ڔཝଝම ET2:34ᎌೝᒬම൩Ljॊ఼ܰᒜࣗषᆰਜ਼ᅲཝषᆰă ࣪ࡀቲࣗ0ቖݷᔫጲૺᒊቲGpsdfe Dpowfstjpoෘഎ ݙኊገම൩ăᏴख႙ࡀෘഎ൩఼ᒜถෘഎ൩ᒄઁ ኊೂ૾ख႙ම൩ăྙਫම൩ଶހถጯۻ૮Ljख ႙ࡼම൩ᎧࡀᏴୈಱࡼම൩ቲ୷܈ăම൩఼ᒜ ࡀᒦࡼၫᒋభཀྵࢾම൩ଶހถဵ॥భă ᆐ૮ම൩ଶހถLjFQXᆡܘኍဵጙৈ21212121! )BBi* ተါࡼऔᒜၫăऎFQXࡼ෦ཱྀᒋ݀ဵݙBBiăྙਫFQX ᆡဵݙBBiLjభ၊ࣞޠᑵੑဵ75ᆡࡼྀፀᒋăጙࡡම൩ ଶހถဧถLjৎখම൩ૺணම൩ଶހถ࣒ኊገᒀ ࡸࡩ༄ᅲཝषᆰࡼ၈ཚම൩ă ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 0228h RP7 RP6 RP5 RP4 RP3 RP2 RP1 RP0 0229h RP15 RP14 RP13 RP12 RP11 RP10 RP9 RP8 … … 022Eh RP55 RP54 RP53 RP52 RP51 RP50 RP49 RP48 022Fh RP63 RP62 RP61 RP60 RP59 RP58 RP57 RP56 ᓖǖ࣪কࡀᒑถቲቖݷᔫLjྦࣗནকࡀᐌஉਫᆐཝഃăࡩྀᇗᑵᏴቲᒦဟݙถৎখම൩ă ᅲཝषᆰම൩ࡀ ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 0230h FP7 FP6 FP5 FP4 FP3 FP2 FP1 FP0 0231h FP15 FP14 FP13 FP12 FP11 FP10 FP9 FP8 0236h FP55 FP54 FP53 FP52 FP51 FP50 FP49 FP48 0237h FP63 FP62 FP61 FP60 FP59 FP58 FP57 FP56 … … ᓖǖ࣪কࡀᒑถቲቖݷᔫLjྦࣗནকࡀᐌஉਫᆐཝഃăࡩጙሲྀᇗᑵᏴቲᒦဟݙถৎখම൩ă Ᏼම൩ଶހถۻ૮ᒄ༄Ljኊᒑࣗම൩ਜ਼ᅲཝषᆰ ම൩)ቲࣗ0ቖ0఼ᒜࡼම൩*ቖྜྷම൩ࡀăᒙම൩ ဧถ0ணම൩ଶࡼހऱजᎧၫቖྜྷࡀᏄሤᄴLj Ⴥݙᄴࡼᒑဵᒍࡼܰތăᎅ᎖ᑚೝᒬම൩ᆡ᎖ᄴጙ ৈࡀෂLjፐࠥభጲᄴဟ࣪ඣቲᒮă ᅲཝषᆰම൩ܘኍዏৃږᑍGQ1ĂGQ2///GQ73ĂGQ74ࡼၿኔ ख႙ăকම൩્Ᏼᓍ૦ख߲Sfbe Nfnpsz xjui DSDĂDpqz TdsbudiqbeĂDmfbs NfnpszĂTubsu Njttjpoਜ਼Tupq Njttjpoෘഎ ဟᔫăྙਫᓍ૦ख႙ࡼම൩ᑵཀྵම൩ଶހถᎌ ဧถLjET2:34ᒊቲᓍ૦ख႙ࡼෘഎă ᒑࣗම൩ܘኍዏৃږᑍSQ1ĂSQ2///SQ73ĂSQ74ࡼၿኔख ႙ăকම൩ᒑ્Ᏼᓍ૦ख߲Sfbe! Nfnpsz! xjui! DSDෘഎဟ ᔫăྙਫᓍ૦ख႙ࡼම൩ᑵཀྵම൩ଶހถᎌ ဧถLjET2:34ख႙ᓍ૦ገཇࣗནࡼၫă ᎅ᎖ቖषᆰ൝ࡼᄂၐቶLjම൩఼ᒜࡀਜ਼ጲೝᒬ ම൩ܘኍۻᄴဟቖྜྷăࡩኊገᒙቤම൩ဟLjᆁᆁ።Ᏼ ख႙Dpqz Tdsbudiqbeෘഎᒄ༄ૄࣗࡀጲᔪዩᑺăᏴ߅ ቤම൩࠭ࡀআᒜࡵࡀᏄᒄઁLj።ᄰਭ ቤၫᄘߠ)ᒊቲXsjuf Tdsbudiqbeෘഎ*ࡼऱါ߹ݟࡀ ᒦࡼดྏLj॥ᐌকම൩્Ᏼࡀᒦۣഔᎌጙৈআ۾Lj ཽభถᄰਭকම൩ᒊቲषᆰ೫ă ______________________________________________________________________________________ www.BDTIC.com/maxim 25 ET2:34 ࣗݷᔫම൩ࡀ ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ``````````````````` ၫഺࡀࡼज ጙࡡྀᇗೂLjET2:34્ጲሤᄴࡼဟମମഺᆨࣞਜ਼0 ဘࣞࡼހᒋLj݀ڳஉਫࡀྜྷၫഺࡀăၫ ഺࡀถ৫ࡀ92:3ৈ9ᆡၫ51:7ৈ27ᆡၫ)ᅄ 8b*ăྙਫᆨࣞਜ਼ဘࣞၫࡼࡀৃါሤᄴLjᐌࡀڳ ચॊᆐೝৈࡍቃሤࢀࡼࡀᏄLjॊܰถࡀ51:7ৈ9ᆡ ၫ3159ৈ27ᆡၫ)ᅄ8c*ăྙਫᆨࣞਜ਼ဘࣞၫࡼ ࡀৃါݙᄴLjྙǖᆨࣞᒋᆐ9ᆡऎဘࣞᒋᆐ27ᆡLjᐌڳ ࡀચॊᆐࡍቃࡀࡼࢀݙᏄLjॊܰഺ3671ৈᆨࣞ ဘࣞၫ)ᅄ8d*ăᏴᑚᒬ༽ౚሆLjࡀ࣡ᒍᒦ ᎌ367ৈᔊஂᆚۻဧăጲ27ᆡৃါࡀၫဟLj9 ᆡࡀᏴࡀᏄࡼࢅᒍăྙਫᒀࡸࣅဟମ࢛)ྀ ᇗဟૺ*ܪᆨࣞހဟମମLjభᒀࡸඛৈހࡼဟମ ਜ਼྇໐ă ᏴET2:34ၫഺࡀࡀ൸ᒄઁLjభݧནጲሆೝᒬࡅ ဗLjॊܰဵǖઓభୈᒙᆐᄫᒏഺၫ)૾ண ክણถ*Ǘઓጐభጲቤၫঙሌ༄ࡀྜྷࡼၫ)૾ ክણถ*Ljඛࠨࡀྜྷၫဟ࣒࠭ᔈࡀཌࡼဪ ࠀᒮቤఎဪăᔏఠྀᇗݧዹଐၫࡼดྏĂݧዹႥ ൈਜ਼ྀᇗဟମܪLjభૂআ߲ၫഺࡀᒦৈࡀ ၫࡼဟମݧዹ࢛ăᑚዹᆐቤதࡼހᄋ೫றཀྵࡼ಼ ဥၫLjࡣᇄजૂআৎᐁࡼހၫă ``````````````````````````````` ྀᇗᒙ ET2:34! jCvuupoࡼ࢜ቯྀᇗဵഺᆨࣞਜ਼0ဘࣞăᏴ ୈఎဪᔫᒄ༄LjኊገቲሤਈࡼᒙLjᑚৈਭ߈ᐌ߂ᆐ ྀᇗᒙă ၅ሌLjኊገ࣪ET2:34ดᒙࡼဣဟဟᒩቲᒙLjۣᑺ ဟମਜ਼྇໐ᓰཀྵᇄᇙLjݬఠဟମభጲဵࡩဟମLjࡩ ᎖ጤࣅᇕᄏဟLjݧVUD! )ጐ߂ᆐHNULjৃปᒤܪ ᓰဟମ*LjྀੜူሌᏖࢾࡼဟମܪᓰăᒙဟဣဟ ဟᒩᑩܘኍࠀ᎖ᔫᓨზ)FPTD > 2*ăۣࡀྀᇗ ဟମܪᒔĂྀᇗݧዹଐၫਜ਼ۨவܪᒔᆡࡼࡀܘኍ ᄰਭDmfbs Nfnpszෘഎ༹ഃăᆐဧET2:34ถ৫ᒊቲጙৈྀ ᇗLjೝৈഺဧถᆡ)FUMĂFIM*ᒗᎌጙৈܘኍۻᒙ ᆐ2ăᇄ൙ET2:34᎖ପ఼ᒬಢቯࡼᇕᄏLjጐᇄ൙ᔫ ဟମࡼޠLjᑚቋޟਖᒙݙܘభă 26 ྙਫᇧᆃޘညۨவቧࡼજLjથܘኍᒙᆨࣞۨவਜ਼0 ဘࣞۨவࡼሆሢᥬᒋਜ਼ሢᥬᒋăਈ᎖ྙੜᆨࣞᒋᓞધ ᆐऔᒜࡔ൩݀ቖྜྷᥬᒋࡀᒦࡼሤਈดྏ༿ݬఠ ᆨ ࣞᓞધݝॊLjဘࣞۨவᥬᒋࡼࢾ༿ݬఠဘࣞᓞધݝॊă ࠥᅪLjገሯဧᒙࡼሆሢᥬᒋਜ਼0ሢᥬᒋᑵޟᔫLjܘ ኍڳᆨࣞਜ਼0ဘࣞۨவᆡᆐᏤᓨზLjࠥဟଣྙୈ ൸ᔗ෭ৈۨவᄟୈࡼજLjকୈభ࣪Dpoejujpobm Tfbsdi SPNෘഎᔪ߲ሰ።)༿ݬఠ 2.Xjsf SPNถෘഎ*ă SPᆡ)ክણဧถᆡ*ࡼᒙਜ਼ݧዹႥൈན᎖ྀᇗߒኚဟମ ጲૺପ఼ገཇăྙਫᔢઁଶࡼހၫഺऻޟᒮገLjᐌ SPገࢾᆐᏤክણ)SP > 2*ă॥ᐌLj።ጲॊᒩᆐ ᆡৰႯྀᇗࡼߒኚဟମLjઁকဟମ߹ጲ92:3 )ᄰ ࡸ9ᆡৃါ*51:7 )ᄰࡸࡼ27ᆡৃါLjೝৈᄰࡸࡼ9ᆡ ৃါ*Ă3159 )ೝৈᄰࡸ27ᆡৃါ*Ă3671 )ೝৈᄰࡸLjጙৈ ᆐ9ᆡৃါLjጙৈᆐ27ᆐৃါ*LjଐႯ߲ࡴ્ݙᒘၫፅ߲ ࡼݧዹႥൈ)ೝࠨᆨࣞᓞધମࡼॊᒩၫ*ăಿྙLjྙਫৰ Ⴏ߲ᑚৈྀᇗࡼߒኚဟମᆐ21ᄖ)>! 25511ॊᒩ*Ljଣࢾݧ ࡼၫৃါᆐ9ᆡLjกඐET2:34ดࡼݝ92:3ᔊஂࡼၫ ഺࡀჅᑽߒࡼᔢቃݧዹମᆐ2/9ॊᒩ)221*ăྙਫ ጙৈET2:34ࡼၫഺࡀࡼహମݙ৫ࡀჅᎌ ࡼࣗၫLjభݧࣶৈୈೊᔫLjᄰਭᒙྀᇗఎဪ ዓߕဟମဣሚၫࡼೌኚഺLjࡩጙৈୈۻᓤ൸ઁLj औৈୈఎဪഺLjጞࠨಢᅎቲăᆐ೫ணᒏክણ ഺLjገSPᆡᒙᆐ1Lj॥ᐌঙࢬጯளࡀࡼഺ ၫă SPᆡਜ਼ྀᇗࣅዓߕᒙᅲઁLjથኊݧዹႥൈቖ ྜྷࡵݧዹႥൈࡀᒦăᑚৈݧዹႥൈభጲဵ2ᒗ27-494 ᒄମࡼྀੜၫᒋLjᇄ९25ᆡऔᒜ൩ܭာăᔢࡼ ݧዹႥൈᆐඛݧዹጙࠨ)FITT > 2Ljݧዹൈ > 1112i*Lj ऎᔢൻࡼݧዹൈᆐඛ384/16ቃဟݧዹጙࠨ)FITT > 1Ljݧዹ ൈ >! 4GGGi*ăಿྙLjྙሯገඛ7ॊᒩݧዹጙࠨLjᐌݧዹൈ ᆐလᒜࡼ7! )FITT! >! 1*471! )ሤࡩ᎖FITT! >! 2ဟݧዹ ൈᆐ1279i*ă ྙਫ࡛ቦᅪஏ࣪ET2:34ቲᏗཚषᆰၫݷᔫLjኊ ᒙᒑࣗම൩ਜ਼ᅲཝषᆰම൩ăᏴම൩ညᒄ༄Ljኊሌ ම൩ۣઐถ૮Ljሮᇼดྏ༿ݬఠڔཝଝමݝॊă ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo 1000h 8192 8-BIT ENTRIES TEMPERATURE OR HUMIDITY DATA 2FFFh ET2:34 ETL = 1; EHL = 0 OR ETL = 0; EHL = 1 TLFS = HLFS = 0 ETL = 1; EHL = 0 OR ETL = 0; EHL = 1 TLFS = HLFS = 1 1000h 4096 16-BIT ENTRIES TEMPERATURE OR HUMIDITY DATA WITH 16-BIT FORMAT, THE MOST SIGNIFICANT BYTE IS STORED AT THE LOWER ADDRESS. 2FFFh ᅄ8b/! ᄰࡸഺ ETL = EHL = 1 TLFS = HLFS = 0 ETL = EHL = 1 TLFS = HLFS = 1 1000h TEMPERATURE 4096 8-BIT ENTRIES 1000h TEMPERATURE 2048 16-BIT ENTRIES 1FFFh 1FFFh 2000h 2000h HUMIDITY DATA 4096 8-BIT ENTRIES WITH 16-BIT FORMAT, THE MOST SIGNIFICANT BYTE IS STORED AT THE LOWER ADDRESS. HUMIDITY DATA 2048 16-BIT ENTRIES 2FFFh 2FFFh ᅄ8c/! ၷᄰࡸഺLjॊܦൈሤᄴ ETL = EHL = 1 TLFS = 0; HLFS = 1 TEMPERATURE 2560 8-BIT ENTRIES ETL = EHL = 1 TLFS = 1; HLFS = 0 1000h 19FFh 1A00h 1000h TEMPERATURE 2560 16-BIT ENTRIES 23FFh HUMIDITY DATA 2560 16-BIT ENTRIES 2DFFh HUMIDITY DATA 2560 8-BIT ENTRIES 2E00h (NOT USED) 2400h WITH 16-BIT FORMAT, THE MOST SIGNIFICANT BYTE IS STORED AT THE LOWER ADDRESS. 2DFFh 2E00h (NOT USED) 2FFFh 2FFFh ᅄ8d/! ၷᄰࡸഺLjॊܦൈݙᄴ ______________________________________________________________________________________ www.BDTIC.com/maxim 27 ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ఎဪᒊቲጙሲྀᇗࡼᔢઁጙৈݛᒾဵख႙Tubsu! Njttjpo ෘഎăࡩET2:34၃ࡵᑚৈෘഎဟLj્ೂ૾ڳNJQܪᒔ ᆐ2༹݀߹NFNDMSܪᒔăᏴೂ૾0ዓߕఎဪෝါ)TVUB >! 1*ሆLjࡗჅࢾྀᇗࣅዓߕဟମஉၦઁLjET2:34ఎ ဪᔫLjᓹࡩڳ༄྇໐ਜ਼ဟମআᒜࡵྀᇗဟମܪᒔ ࡀᒦLjᄴဟఎဪഺୈጙৈၫLjࠥဟྀᇗݧዹ ଐၫਜ਼ୈݧዹଐၫጐႲᒄᔈࣅଝ2ăႲઁჅᎌࡼ ഺጐ࣒ږᑍݧዹႥൈࡀጲૺFITTᆡᒦჅࢾࡼၫ ᒋቲă ྙਫኡᐋ೫ࣅ༄ᆨࣞۨவෝါ)TVUB > 2*Lj݀Ꮴഺ ᆨࣞ)FUM > 2*LjET2:34၅ሌྜྷࢀࡗᓨზᒇࡵࣅዓߕ ဟମஉၦLjઁݧږዹႥൈਜ਼FITTᆡࡼဟମମۻ ታ݀ቲᆨࣞހLjࠥဟᒑᎌୈݧዹଐၫ્ᔈࣅଝ2ă ᒑᎌࡩ߲ሚᆨࣞۨவဟLjݣఎဪഺྀᇗࡼጙৈݧዹLj ࡣࠥဟྀᇗݧዹଐၫ݀ݙଝ2Ljࡩጙৈݧዹᒲ໐உၦઁLj ྀڳᇗဟମܪᒔࡀᒙᆡLjࠥဟྀᇗݧዹଐၫਜ਼ ୈݧዹଐၫᄴဟଝ2ăႲઁჅᎌࡼഺጐ࣒ږᑍݧዹ ႥൈࡀጲૺFITTᆡᒦჅࢾࡼၫᒋቲă ᄰࡀᎧࡼࡀݝॊሤઑࣖೂᔫLjᎌ ቲቖۣઐăᏴྀੜဟମ࣒భࣗནET2:34ჅᎌࡼࡀLj ጲܣ᎖ପ၁ྀᇗᒊቲࡼᑳৈਭ߈ăࡣဵࠥဟྙਫ၂ᅄ ࣗནම൩Ljࣗࡼஉਫဵ11iLjऎࣗဵݙནࡀᏴම൩ ࡀᒦࡼම൩ă ````````````````````````````` ࡀषᆰ ᒍࡀਜ਼ࠅၒᓨზ ᎅ᎖ݧࠈቲၫࠅၒLjჅጲET2:34ࡵ೫ྯৈᒍ ࡀLjॊܰᆐUB2ĂUB3ਜ਼F0T )ᅄ9*ăࡀUB2ĂUB3 ᎖ۣࡀၫቖྜྷࡼܪᒍਜ਼ಽࣗෘഎख႙ࡵᓍ૦ࡼ ၫࡼܪᒍăF0Tࡀࡼᔫሤࡩ᎖ᔊஂଐၫਜ਼ ࠅၒᓨზࡀLjᎧቖෘഎሤLjభቅዩၫࡼᅲ ᑳቶăᓍ૦࣪কࡀᒑถቲࣗݷᔫăF0Tࡀࡼࢅ6 ᆡဵܭာቖྜྷࡵࡀᒦࡼᔢઁጙৈᔊஂࡼᒍLjক ᒍ߂ᆐஉၦມጤᒍăገሯᒊቲDpqz! TdsbudiqbeෘഎLj ET2:34ገཇஉၦມጤᒍܘኍᆐ2GiăF0Tࡀࡼ6 ᆡ߂ᆐQGݙᅲᑳᔊஂܪᒔᆡăྙਫᓍ૦ख႙ࡼၫᆡ ဵݙ9ࡼᑳၫ۶ဟLjᐌকᆡۻᒙᆡăF0Tࡀࡼ7ᆡ ဪᒫᆐ1ăኊገᓖፀࡼဵǖྙਫݧೂ૾ࡀഺෝါࡼ જLjܪᒍࡼᔢࢅ6ᆡጐཀྵࢾࡀࡼᒍLjᑚৈ ᒍ߂ᆐဪᔊஂມጤᒍăಿྙǖྙਫXsjuf! Tdsbudiqbe ෘഎࡼܪᒍᆐ24DiLjࡀ࠭2Diࡼᔊஂມጤᒍ ఎဪࡀၫLjกඐஞࡀྜྷ5ৈᔊஂઁۻᓤ൸ăকಿᒦ ࣪።ࡼஉၦມጤᒍᆐ2Giăᆐ೫ဣሚৎࡼႥࣞਜ਼ৎ ࡼൈLjቖෘഎࡼܪᒍገᒎሶඛጙෂࡼဪᒍLj ጐဵᔊஂມጤᒍᆐ1LjᑚዹLj43ᔊஂࡼࡀཝݝ భጲࡻࡵಽLjࠥဟሤ።ࡼஉၦມጤᒍᆐ2GiăᏴሰ። BIT NUMBER 7 6 5 4 3 2 1 0 TARGET ADDRESS (TA1) T7 T6 T5 T4 T3 T2 T1 T0 TARGET ADDRESS (TA2) T15 T14 T13 T12 T11 T10 T9 T8 ENDING ADDRESS WITH DATA STATUS (E/S) (READ ONLY) AA 0 PF E4 E3 E2 E1 E0 ᅄ9/! ᒍࡀ 28 ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ࡒᎌዩᑺࡼቖݷᔫ ሶET2:34ቖྜྷၫဟኊገဧࡀᔫᆐᒦମࡀă ၅ሌLjᓍ૦ख႙Xsjuf! TdsbudiqbeෘഎᒎࢾჅ໐ᆃࡼܪ ᒍਜ਼ገቖྜྷࡀᒦࡼၫăሆጙݛဵᎅᓍ૦ख႙ Sfbe! TdsbudiqbeෘഎࣗནࡀᒦࡼၫLj݀ቅዩၫ ဵ॥ᅲᑳăᔫᆐࡀᒦၫࡼۨᄿLjET2:34ख႙ۻ༿ ཇࡼܪᒍUB2ਜ਼UB3ጲૺF0Tࡀᒦࡼดྏăྙਫ QG ܪᒔᆡۻᒙᆡLjීܭၫᎌᑵཀྵࡼࡀྜྷࡀᒦă ᓍ૦ܘݙଖኚࣗནၫLjభጲᒮቤఎဪᒊቲቖࡀݷᔫ ෘഎăᄴዹLjBBܪᒔᆡᒙᆡጐဵᒎာ࣪ୈࡼXsjuf Tdsbudiqbeෘഎᎌۻᑵޟ၃ăྙਫᑳৈਭ߈ጙ༤ၿಽ ࡼજLjᑚೝৈܪᒔᆡ༹ۻഃLjࠥဟஉၦມጤᒍဵቖ ྜྷࡵࡀᒦࡼᔢઁጙৈᔊஂᒍăᒄઁLjᓍ૦భጲఎဪ ࣪ၫቲቅዩăᓍ૦ᅲ߅ၫቅዩઁLjख߲ጙৈDpqz TdsbudiqbeෘഎăᏴᑚৈෘഎᒄઁLjܘኍጞࠨஜৌᓹᓍ૦ ቅዩၫဟࣗࡵࡼᒍࡀ UB2ĂUB3 ਜ਼ F0T ࡼၫă ET2:34၃ࡵᑚቋᔊஂઁLj્ၫೂ૾আᒜࡵጲ ܪᒍఎဪࡼᒎࢾᆡᒙă ``````````````````` ࡀਜ਼఼ᒜถෘഎ ᅄ:හၤ೫षᆰET2:34ࡼࡀਜ਼ᄂၐถࡀჅኊገ ࡼፇăਈ᎖ྙੜಽᑚቋถถᒙET2:34 ྀᇗࡼಿᔇ༿ݬ ྀᇗಿǖᓰ۸ਜ਼ఎဪጙሲቤྀᇗ ݝ ॊăᓍ૦ᎧET2:34ᄰቧభݧܪᓰႥൈ)෦ཱྀᒋLjPE > 1* ጐభႥෝါ)PE > 2*ăྙਫူሌීݙཀྵႁීݧႥ ෝါLjET2:34્ଣࢾᆐܪᓰႥൈᄰቧăྀᇗ໐ମดݝ ࡀषᆰ܈ᄰਭ2.Xjsfాቲᅪݝषᆰࡼᎁሌገ ăᑚ፬ሰሆၤଂৈෘഎLjሮᇼดྏ༿ݬఠ ࡀषᆰ ߡᅃݝॊă Xsjuf! Tdsbudiqbe! \1Gi^ ᓍ૦ख႙Xsjuf TdsbudiqbeෘഎઁLjܘኍ൫ஜৌᓹख႙ጙ ৈ3ᔊஂࡼܪᒍLjઁဵገቖྜྷࡀࡼၫLjᑚቋ ၫቖྜྷࡀࡼဪᒍᆐᔊஂມጤᒍU\5;1^ăᓍ૦ ख႙ࡼᔊஂገᔗ৫ࣶLjገࡵࡉஉၦມጤᒍ2Giăྙਫቖ ྜྷࡼ෭ৈၫᔊஂݙᅲᑳLjᐌকၫۻݙଐLjᄴ ဟۍᔊஂܪᒔQGᆡۻᒙᆡă ᒊቲXsjuf TdsbudiqbeෘഎဟLjET2:34ดࡼݝDSDखည ଐႯᑳৈၫഗࡼ࣪።ࡼDSDଶዩ൩Ljᑚৈၫഗࡼఎᄿ ᆐෘഎࡔ൩Ljஉᆘᆐᓍ૦ख႙ࡼᔢઁጙৈၫᔊஂ)ݬ ᅄ26*ăݧDSD.27ࣶሲါLjည߅ᑚৈDSDଶዩ൩ࡼਭ߈ǖ ၅ሌ༹హDSDखညLjઁᏳጞࠨጤྜྷXsjuf! Tdsbudiqbeෘ എࡼෘഎࡔ൩)1Gi*Ăᓍ૦ჅᄋࡼܪᒍࡀUB2ਜ਼ UB3LjጲૺჅᎌࡼၫᔊஂăྙਫஉၦມጤᒍᆐ22222cLj ᓍ૦భጲख႙27ৈࣗဟᇺLj၃ET2:34Ⴥည߅ࡼDSD.27 न൩ă ኊገᓖፀࡼဵǖᏴᒊቲྀᇗ໐ମLjᑚೝৈࡀෂ࣒ ဵቖۣઐࡼă૾ဧXsjuf! TdsbudiqbeෘഎᔫဵᑵࡼޟLjࡣ Ᏼྀᇗ໐ମखညࡼআᒜࡀᒗ෭ৈࡀෂࡼݷᔫ ߲྆ࡇă ______________________________________________________________________________________ www.BDTIC.com/maxim 29 ET2:34 Xsjuf! TdsbudiqbeෘഎᒄઁLjஉၦມጤᒍĂۍᔊஂܪᒔᆡ భᓐᓍ૦ଶހၫࡼᅲᑳቶăF0Tࡀࡼᔢᆡᔪ ၈ཚཱྀభ)BB*LjᒎာࡀᒦࡼᎌDpqz! Tdsbudiqbe ෘഎဵ॥ۻ၊Ăሰ።ăሶࡀᒦቖྜྷၫဟڳᑚ ৈܪᒔᆡ༹ഃă ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo Sfbe! Tdsbudiqbe! \BBi^ Sfbe! Tdsbudiqbeෘഎቅዩࡀᒦࡼၫਜ਼ܪ ᒍăᓍ૦Ᏼख߲Sfbe! TdsbudiqbeෘഎઁLjఎဪࣗནၫă ༄ೝৈᔊஂဵܪᒍLjሆጙৈᔊஂဵஉၦມጤ0ၫᓨზ ᔊஂ)F0T*Ljஜᓹဵ࠭ᔊஂມጤU\5;1^ఎဪࡼࡀᒦ ࡼၫLjྙᅄ9Ⴥာăᓍ૦ߒኚࣗནၫጙᒇࣗࡵࡀ ࡼᆘLjࠥઁᓍ૦થ၃ᎅෘഎࡔ൩Ăܪᒍࡀ UB2ĂUB3ĂF0Tᔊஂਜ਼ဪ᎖ܪᒍࡼࡀၫࢀည ߅ࡼDSD.27न൩ăᏴࣗནDSDᒄઁLjᔐሣᓍ૦࠭ET2:34 ࣗࡵࡼၫဪᒫဵ൝2Ljᒇࡵ߲ሚআᆡ൴ߡᆐᒏă Dpqz! Tdsbudiqbe! \xjui! Qbttxpse^! \::i^ কෘഎ᎖ࡀᒦࡼၫআᒜࡵభቖྜྷࡼࡀăᓍ ૦ख߲Dpqz TdsbudiqbeෘഎઁLjܘኍஜৌᓹ߲ጙৈ4ᔊ ஂࡼ၈ཚዹါăᑚৈ၈ཚዹါဵᏴࣗࡀቲቅዩဟ ࡻࡵࡼLjဵᒍᆐྯৈᒍࡀᒦࡼၫ)ጞࠨږᑍ UB2ĂUB3ĂF0Tࡼࠨኔቲ*ăሆLjᓍ૦Ᏻख߲ 75ᆡᅲཝषᆰම൩ăྙਫᒙᆐኊገම൩ዩᑺLjऎᓍ૦ख ႙ࡼම൩ᎧჅࡀࡼᅲཝषᆰම൩᎒ݙጙᒘLjᑚࠨDpqz TdsbudiqbeෘഎပھăᒄઁLjᓍ૦ᄰቧᄫᒏLj݀ࢀࡗআ ᆡ൴ߡࡼࡵăྙਫම൩ဵᑵཀྵࡼLjᑗᒙᆐݙኊገ ቲම൩ዩᑺLjᓍ૦ఎဪࢾᑚৈ4ᔊஂࡼ၈ཚࡔ൩ဵ ॥ᑵཀྵăྙਫ၈ཚࡔ൩ປLjᐌBB! )၈ཚཱྀభ*ܪᒔᆡۻ ᒙᆡLjఎဪআᒜݷᔫăᏴၫআᒜᅲ߅ઁLjୣᄐख႙2 ਜ਼1ሰ።ᓍ૦ࣗݷᔫLjᒇࡵᓍ૦ख߲আᆡ൴ߡᆐᒏăᏴআ ᒜਭ߈ᒦLjྀੜআᆡݷᔫăআᒜጙৈᔊஂᄰޟኊ ገ3μtă ገআᒜࡼၫဵᎅྯৈᒍࡀࢾLj࠭ဪມጤ ᆡᒙఎဪࡵஉၦມጤᆡᒙࡼࡀၫۻআᒜࡵࡀ ᒦܪᒍጲઁࡼᏄᒦă໐ମLjBBܪᒔᆡဪᒫۣߒ ൝2ᓨზLjᒇࡵሆጙৈXsjuf! Tdsbudiqbeෘഎ༹ഃᆐ ᒏăྦම൩ᑵཀྵࡼજLjభၫࡀࡼ27ৈෂਜ਼ቅ ᓰࡀࡼ3ৈෂཝݝቲআᒜݷᔫăᏴᒊቲྀᇗਭ߈ 30 ᒦLj ࣪ࡀෂࡼቖྜྷ߅્ݙLjBBᆡ)၈ཚཱྀభ*Ᏼ ᒊቲྀᇗਭ߈ᒦጙᒇۣߒᆐ1ᓨზීܭ೫ᑚጙ࢛ă Sfbe! Nfnpsz! xjui! \Qbttxpse! boe^! DSD! \7:i^ Sfbe! Nfnpsz! xjui! DSDෘഎဵ࠭ET2:34ࣗནၫࡼጙৈ ޟෘഎăݧᑚৈෘഎLjᏴख႙ᅲࡀෂࡼᔢઁ ጙৈၫᔊஂઁLjభည߅ਜ਼ࠅ႙ጙৈ27ᆡDSDቅዩ൩ă ᓍ૦Ᏼख႙Sfbe Nfnpsz xjui DSDෘഎᒄઁLjܘኍஜৌᓹ ख႙ጙৈ3ᔊஂᒍᒎာဪᔊஂࡼᆡᒙăሆLjᓍ ૦થܘኍख႙ጙৈ75ᆡࡼම൩ăྙਫᒙᆐኊገම൩ዩ ᑺLjऎᓍ૦ख႙ࡼම൩ᎧჅࡀࡼම൩᎒ݙጙᒘLjᑚࠨ Sfbe! Nfnpsz! xjui! DSDෘഎပھLjᒄઁୈᄫᒏᄰቧLj ݀ࢀࡗআᆡ൴ߡăྙਫම൩ᑵཀྵLjᑗET2:34ᒙᆐݙ ኊገቲම൩ዩᑺLjᓍ૦࠭ET2:34ࡼဪᒍఎဪࣗ ནၫLjጙᒇࣗࡵ43ᔊஂࡼෂᆘᆐᒏăᒄઁᔐሣᓍ ૦Ᏻख႙27ৈࣗၫဟᇺLj၃27ᆡDSDቅዩ൩ࡼन ൩ăᏴႲઁࡼࣗၫဟᇺಱLjᓍ૦၃ࡵࡼဵሆጙৈ ࡀෂࡼၫጲૺকࡼDSDଶዩ൩ăᑚৈࣗኔጙ ᒇቲLjᒇࡵᔐሣᓍ૦࣪কୈቲআᆡᆐᒏăࡩ၂ᅄ ࣗནම൩ਜ਼ܪᓖᆐĐۣഔđࡼࡀཌᎮဟLjET2:34ॊܰ ࠅ႙ 11i GGi ᔊஂăᏴඛৈ 43 ᔊஂࡀෂᆘࡼ DSDଶዩ൩ན᎖ۻख႙ࡼၫă ᏴᒊቲSfbe Nfnpsz xjui DSDෘഎഗ߈ဟLjᔢ߱ޘညࡼ27 ᆡDSDቅዩ൩ဵDSDखည༹ഃઁLjጤྜྷෘഎᔊஂLj ሆᏳጤྜྷ3ᒍᔊஂLjᏳጤྜྷၫࡀࡼดྏऎည߅ ࡼăऎႲઁᏳޘညࡼ27ᆡDSDቅዩ൩ဵDSDखည༹ ഃઁጤྜྷၫࡀࡼดྏऎည߅ࡼăࣗᅲᔢઁጙࡼ 27ᆡDSDቅዩ൩Ljᔐሣᓍ૦࠭ET2:34၃ࡼၫ્ጙ ᒇဵ൝2Ljᒇࡵআᆡ൴ߡ߲ሚᆐᒏăྀੜဟరᒑገख߲ ጙৈআᆡ൴ߡLjᑚৈSfbe Nfnpsz xjui DSDෘഎဟኔ૾భ உၦă ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo 0Fh WRITE SCRATCHPAD? ET2:34 MASTER Tx MEMORY OR CONTROL FUNCTION COMMAND FROM ROM FUNCTIONS FLOWCHART (FIGURE 11) AAh READ SCRATCHPAD? N Y 99h COPY SCRATCHPAD [WITH PW] N Y Y MASTER Rx TA1 [T7:T0] MASTER Tx TA1 [T7:T0] TO FIGURE 9b N MASTER Tx TA1 [T7:T0], TA2 [T15:T8] AUTHORIZATION CODE MASTER Tx TA2 [T15:T8] MASTER Rx TA2 [T15:T8] MASTER Tx E/S BYTE DS1923 SETS SCRATCHPAD OFFSET = [T4:T0] AND CLEARS (PF, AA) MASTER Rx ENDING OFFSET WITH DATA STATUS (E/S) MASTER Tx 64 BITS [PASSWORD] MASTER Tx DATA BYTE TO SCRATCHPAD OFFSET DS1923 SETS SCRATCHPAD OFFSET = [T4:T0] PASSWORD ACCEPTED? N Y DS1923 SETS [E4:E0] = SCRATCHPAD OFFSET DS1923 INCREMENTS SCRATCHPAD OFFSET MASTER Tx RESET? MASTER Rx DATA BYTE FROM SCRATCHPAD OFFSET DS1923 INCREMENTS SCRATCHPAD OFFSET Y MASTER Tx RESET? AUTHORIZATION CODE MATCH? N Y Y AA = 1 N N SCRATCHPAD OFFSET = 11111b? Y Y N MASTER Tx RESET? N PARTIAL BYTE WRITTEN? Y Y MASTER Rx CRC-16 OF COMMAND, ADDRESS DATA, E/S BYTE, AND DATA STARTING AT THE TARGET ADDRESS N DS1923 COPIES SCRATCHPAD DATA TO MEMORY SCRATCHPAD OFFSET = 11111b? MASTER Rx "1"s MASTER Rx "1"s N COPYING FINISHED MASTER Tx RESET? Y N N PF = 1 MASTER Rx CRC-16 OF COMMAND, ADDRESS DATA DS1923 Tx "0" Y MASTER Tx RESET? MASTER Tx RESET? N Y MASTER Tx RESET? Y MASTER Rx "1"s Y N N DS1923 Tx "1" MASTER Rx "1"s N MASTER Tx RESET? Y FROM FIGURE 9b TO ROM FUNCTIONS FLOWCHART (FIGURE 11) ᅄ:b/! ࡀ0఼ᒜถഗ߈ᅄ ______________________________________________________________________________________ www.BDTIC.com/maxim 31 ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo 69h READ MEMORY [WITH PW] AND CRC FROM FIGURE 9a 96h CLEAR MEMORY [WITH PW] N Y Y DECISION MADE BY DS1923 55h FORCED CONVERSION? N MASTER Tx TA1 [T7:T0], TA2 [T15:T8] MASTER Tx 64 BITS [PASSWORD] MASTER Tx 64 BITS [PASSWORD] MASTER Tx FFh DUMMY BYTE N TO FIGURE 9c Y MASTER Tx FFh DUMMY BYTE MISSION IN PROGRESS? Y N PASSWORD ACCEPTED? N PASSWORD ACCEPTED? Y DECISION MADE BY MASTER DS1923 PERFORMS A TEMPERATURE CONVERSION Y DS1923 SETS MEMORY ADDRESS = [T15:T0] MISSION IN PROGRESS? DS1923 COPIES RESULT TO ADDRESS 020C/Dh Y N MASTER Rx DATA BYTE FROM MEMORY ADDRESS Y N DS1923 INCREMENTS ADDRESS COUNTER MASTER Tx RESET? DS1923 PERFORMS A HUMIDITY CONVERSION DS1923 CLEARS MISSION TIMESTAMP, MISSION SAMPLES COUNTER, ALARM FLAGS DS1923 COPIES RESULT TO ADDRESS 020E/Fh DS1923 SETS MEMCLR = 1 N N END OF PAGE? MASTER Tx RESET? N N Y MASTER Tx RESET? Y Y MASTER Rx CRC-16 OF COMMAND, ADDRESS, DATA (1ST PASS); CRC-16 OF DATA (SUBSEQUENT PASSES) MASTER Tx RESET N CRC OK? Y END OF MEMORY? N Y MASTER Rx "1"s MASTER Tx RESET? N Y TO FIGURE 9a FROM FIGURE 9c ᅄ:c/! ࡀ0఼ᒜถഗ߈ᅄ)ኚ* 32 ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo 33h STOP MISSION [WITH PW] N MISSION START DELAY PROCESS Y ET2:34 CCh START MISSION [WITH PW] FROM FIGURE 9b N Y MASTER Tx 64 BITS [PASSWORD] MASTER Tx 64 BITS [PASSWORD] START DELAY COUNTER = 0? MASTER Tx FFh DUMMY BYTE Y MASTER Tx FFh DUMMY BYTE N DS1923 WAITS FOR 1 MINUTE N PASSWORD ACCEPTED? PASSWORD ACCEPTED? DS1923 DECREMENTS START DELAY COUNTER Y Y Y MISSION IN PROGRESS? SUTA = 1? N DS1923 SETS MIP = 0, WFTA = 0 MEMCLR = 1? DS1923 WAITS ONE SAMPLE PERIOD Y Y MASTER Tx RESET? MIP = 0? N DS1923 INITIATES MISSION START DELAY PROCESS N MASTER Tx RESET? Y N Y DS1923 SETS WFTA = 1 DS1923 SETS MIP = 1, MEMCLR = 0 MISSION IN PROGRESS? Y N N N N Y DS1923 PERFORMS 8-BIT TEMPERATURE CONVERSION TEMPERATURE ALARM? N Y DS1923 SETS WFTA = 0 AND LOGS FIRST SAMPLE THE MISSION SAMPLES COUNTER DOES NOT INCREMENT DS1923 WAITS ONE SAMPLE PERIOD DS1923 COPIES RTC DATA TO MISSION TIMESTAMP REGISTER IF SUTA = 1, THIS IS THE SECOND SAMPLE. DS1923 STARTS LOGGING TAKING FIRST SAMPLE END OF PROCESS TO FIGURE 9b ᅄ:d/! ࡀ0఼ᒜถഗ߈ᅄ)ኚ* ______________________________________________________________________________________ www.BDTIC.com/maxim 33 ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo Dmfbs! Nfnpsz! \xjui! Qbttxpse^! \:7i^ Dmfbs! Nfnpszෘഎဵᆐୈጙৈྀᇗᔪᓰ۸ࡼăᏴୈ ᎌྀᇗ߈ဟLjকෘഎݣถᒊቲăᓍ૦ख႙ෘഎࡔ൩ ᒄઁLjገஜৌᓹ75ᆡᅲཝषᆰම൩LjᒄઁဵጙৈGGiహᔊ ஂăྙਫET2:34ᒙᆐኊገම൩ዩᑺ݀༦Ⴥࠅ႙ࡼම൩Ꭷ ࡀࡼᅲཝषᆰම൩ݙጙᒘဟLjকෘഎख႙ဵᏴྀᇗࡼ ߈໐ମख߲ࡼLjᐌᑚࠨDmfbs! NfnpszෘഎပLjࠥઁ ୈᐌᄫᒏᄰቧLj݀ࢀࡗআᆡ൴ߡࡼࡵăྙਫම൩ဵᑵ ཀྵࡼᑗᒙᆐݙኊገቲම൩ዩᑺLjET2:34༹ഃྀ ᇗဟମܪᒔĂྀᇗݧዹଐၫጲૺۨவᓨზࡀࡼჅ ᎌۨவܪᒔᆡăᏴ༹߹ᑚቋሤ።ࡼᆡઁLjᄰᓨზࡀ ࡼNFNDMSᆡܤᆐ2LjීܭᑚࠨDmfbs Nfnpszෘഎݷᔫ ߅ăᎅ᎖ᎌྀᇗݧዹଐၫᒎာၫഺࡀᒦ ᎌࣶৈၫဵᎌࡼLjᎌܘገᏴᒊቲকෘഎဟᏳ ༹߹ၫഺࡀă Gpsdfe! Dpowfstjpo! \66i^ Gpsdfe! Dpowfstjpoހᆨࣞਜ਼ဘࣞLjऎᇄኍࣅጙৈ ྀᇗăᓍ૦ख႙ᑚৈෘഎࡔ൩ᒄઁLjܘኍஜৌᓹख߲ጙৈ GGiᔊஂLjࣅᓞધăᓞધࡼஉਫဵᏴࡩ༄ᆨࣞᓞધ உਫࡀĂࡩ༄ဘࣞᓞધஉਫࡀᒦࡼ 27 ᆡၫᒋă Gpsdfe! DpowfstjpoෘഎᒑᎌᏴᎌྀᇗ߈)NJQ > 1*ဟLj ݣถᒊቲăᏴGpsdfe DpowfstjpoෘഎᒊቲဟݙถᒦࣥLjᅲ ߅ᑚৈෘഎᔢࣶኊገ777ntăᏴࠥ໐ମݙถᄰਭ2.Xjsf ాቲࡀषᆰăᏴྀᇗᒊቲ໐ମLjࡩࡀ0఼ᒜถ ෘഎছཷݧዹဟLjୈࡼܭሚᎧၤ༽ౚሤᄴLjྙኊ೫ ஊሮᇼดྏLj༿ݬఠࡀषᆰߡᅃݝॊă 34 Tubsu! Njttjpo! \xjui! Qbttxpse^! \DDi^ ET2:34ᄰਭᒊቲ఼ᒜถෘഎఎဪጙৈቤࡼྀᇗăᑚ ৈቤྀᇗᒑถᏴሌ༄ࡼྀᇗጯளஉၦLj݀༦ET2:34ࡀ ጯ༹ۻഃLjݣఎဪۻᒊቲăᓍ૦ख႙ᑚৈෘഎࡔ൩ᒄ ઁLjܘኍᏳஜᓹख႙75ᆡᅲཝषᆰම൩LjઁෂᏳஜৌ ᓹဵৈహᔊஂGGiăྙਫET2:34ᒙᆐኊገම൩ዩᑺࡼજLj ݀༦ᓍ૦Ⴥख႙ࡼම൩Ꭷୈࡀࡼᅲཝषᆰම൩ݙጙ ᒘLjᑗকෘഎဵᏴጙৈྀᇗࡼᒊቲ໐ମख߲ࡼLjᐌTubsu NjttjpoෘഎݷᔫပھLjᒄઁকୈᄫᒏᄰቧLjࢀࡗআ ᆡ൴ߡࡼࡵăྙਫම൩ဵᑵཀྵࡼLjᑗET2:34ᒙᆐ ݙቲම൩ዩᑺLjᐌ ET2:34 ఎဪᒊቲቤࡼྀᇗăྦ TVUB > 1LjࡩྀᇗࣅዓߕஉၦઁLjೂ૾ఎဪݧዹăྦ TVUB > 2Ljࡩ߲ሚᆨࣞۨவဟLjݧዹၫۻఎဪቖྜྷၫ ഺࡀLjࡣྀᇗݧዹଐၫ݀ݙᔈࣅଝ2ăᏴጙৈ ݧዹᒲ໐ઁLjྀᇗဟମܪۻᒙᆡLjఎဪᑵݧࡼޟዹਜ਼ ഺăࡩୈࠀᏴࢀࡗᆨࣞۨவ߲ሚဟLjᄰᓨზࡀ ࡼXGUBܪᒔᆡᆐ2ăᏴྀᇗᒊቲ໐ମLjᒑถ࣪ࡀ ቲࣗݷᔫă Tupq! Njttjpo! \xjui! Qbttxpse^! \44i^ ET2:34ᑚৈ఼ᒜถෘഎᄫᒏጙৈྀᇗLjᒑถᄫᒏ ᑵᏴᒊቲਭ߈ᒦࡼྀᇗăᏴख႙ᑚৈෘഎ൩ઁLjᓍ૦ܘ ኍஜৌᓹख߲75ᆡᅲཝषᆰම൩LjᏳஜৌᓹख႙ጙৈGGi హᔊஂăྙਫET2:34ᒙᆐኊገම൩ዩᑺࡼજLj݀༦ᓍ ૦ख႙ࡼම൩ᎧჅࡀࡼᅲཝषᆰම൩ݙጙᒘဟLj ᎌᑵᏴᒊቲࡼྀᇗဟLjTupq Njttjpoෘഎݙᔫăୈ ᄫᒏᄰቧLjࢀࡗআᆡ൴ߡࡼࡵăྙਫම൩ဵᑵཀྵࡼLj ᑗET2:34ᒙᆐݙኊገቲම൩ዩᑺLjୈ༹హᄰ ᓨზࡀࡼNJQᆡLj݀ૂআ࣪ࡀෂࡼቖݷᔫă ᒊቲকෘഎဟLjXGUBᆡ༹ۻ્ݙహLj༿ݬఠᄰᓨზ ࡀჅහၤࡼ༹హXGUBᆡࡼऱजă ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo Ᏼྀᇗ߈ᏴୈᑵᏴࢀࡗᆨࣞۨவఎဪጙৈቤࡼྀ ᇗဟLjET2:34્ࢾ໐࣪ᆨࣞਜ਼0ဘࣞᒋቲݧዹ݀ഺ ၫăดݝषᆰࡼᎁሌཚገ᎖2.XjsfᄰቧăፐࠥLjࡩด ݝਜ਼ᅪݝषᆰሤઑߡᅃဟLjᐌᄂᎌࡼୈෘഎ)߹SPN ถෘഎਜ਼2.Xjsfআᆡᒄᅪ*ݙถᑵޟᒊቲăࡣTubsu! Njttjpo ෘഎĂGpsdfe! Dpowfstjpoෘഎਜ਼Dmfbs! Nfnpszෘഎ્ݙ၊ ࡵ፬ሰLjᑚဵᎅ᎖Ᏼྀᇗ߈໐ମᏴୈᑵᏴࢀࡗ߲ ሚᆨࣞۨவ໐ମLj્ݙဧୈࡼᑚቋෘഎăܭ6߲೫ ดݝषᆰ࣪6ᄟෘഎࡼ፬ሰĂᐏዹଶߡހᅃૺᏴকᒬ ༽ౚሆྙੜᔫă ᏴݧႥݧዹႥൈ)ඛݧዹጙࠨ*ਜ਼ॊܦൈഺৃါ ဟLjߡᅃखညࡼ૦્ࡍăࡩᄴဟഺᆨࣞਜ਼ဘࣞဟLjߡ ᅃࡼߒኚဟମభࡉ777ntăऎᏴࢅႥݧዹႥൈሆLjߡᅃ ᐌଂઃ્ݙखညăፐࠥLjᏴܠቖདࣅ߈ኔဟLj።೫ஊߡ ᅃखညࡼభถቶLj݀ݧནᎌࡅဗቲऴपă ܭ6/! ࡀषᆰߡᅃਜ਼ஊऱज COMMAND INDICATION OF INTERFERENCE SOLUTION Write Scratchpad The CRC-16 at the end of the command flow reads FFFFh. Wait 0.5s, 1-Wire reset, address the device, repeat Write Scratchpad with the same data, and check the validity of the CRC-16 at the end of the command flow. Alternatively, use Read Scratchpad to verify data integrity. Read Scratchpad The data read changes to FFh bytes or all bytes received are FFh, including the CRC at the end of the command flow. Wait 0.5s, 1-Wire reset, address the device, repeat Read Scratchpad, and check the validity of the CRC-16 at the end of the command flow. Copy Scratchpad The device behaves as if the authorization code or password was not valid or as if the copy function would not end. Wait 0.5s, 1-Wire reset, address the device, issue Read Scratchpad, and check the AA bit of the E/S byte. If the AA bit is set, Copy Scratchpad was successful. The data read changes to all FFh bytes or all bytes Read Memory with received are FFh, including the CRC at the end of CRC the command flow, despite a valid password. Stop Mission The General Status register at address 0215h reads FFh or the MIP bit is 1 while bits 0, 2, and 5 are 0. Wait 0.5s, 1-Wire reset, address the device, repeat Read Memory with CRC, and check the validity of the CRC-16 at the end of the memory page. Wait 0.5s, 1-Wire reset, address the device, and repeat Stop Mission. Perform a 1-Wire reset, address the device, read the General Status register at address 0215h, and check the MIP bit. If the MIP bit is 0, Stop Mission was successful. ______________________________________________________________________________________ www.BDTIC.com/maxim 35 ET2:34 ````````````````````````` ࡀषᆰߡᅃ ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ````````````````````````` 2.Xjsfᔐሣᇹᄻ 2.Xjsfᔐሣᇹᄻᎅጙৈᔐሣᓍ૦ਜ਼ጙৈࣶৈ࠭ୈᔝ ߅ăᏴჅᎌ።ဣಿᒦLjET2:34࣒ᔫᆐ࠭ୈဧLjᔐሣ ᓍ૦ᄰဵޟጙৈᆈ఼ᒜă࣪2.Xjsfᔐሣᇹᄻࡼᄀ൙ॊᆐ 4ৈݝॊǖ፮ୈᒙĂࠀಯഗ߈ਜ਼2.Xjsfቧഎ)ቧಢቯਜ਼ ဟኔ*ă2.XjsfፇোᄂࢾဟᇺᒦᔐሣࡼᓨზᔫLjᑚ ቋᄂࢾဟᇺဪ᎖ᔐሣᓍ૦ख߲ࡼᄴݛ൴ߡࡼሆଢ଼ዘă ``````````````````````````````` ፮ୈᒙ 2.XjsfᔐሣᇹᄻোࢾፃᒑᎌጙোၫሣLjፐࠥᏴးࡼ ဟମདࣅᔐሣࡼৈୈဵလॊᒮገࡼăᆐဧၤݷ ᔫጵ᎖ဣሚLjࡵ2.Xjsfᔐሣࡼඛৈ࠭ୈࡼၒ߲ܘኍ ᆐധఎവྯზၒ߲ăET2:34ࡼ2.Xjsf࣡ాဵധఎവ ၒ߲Ljดࢀݝ࢟വྙᅄ21Ⴥာă ࣶ࢛ᔐሣᇹᄻᎅጙো2.Xjsfᔐሣਜ਼ࣶৈ࠭ୈᔝ߅ăܪᓰ ႥࣞෝါሆLj2.XjsfᔐሣࡼᔢࡍၫࠅၒႥࣞᆐ27/4lcqt < ႥෝါሆLj2.XjsfᔐሣࡼᔢࡍၫࠅၒႥࣞࡉ253lcqtă ET2:34݀ऻᅲཝ९jCvuupoܪᓰăᏴܪᓰႥࣞෝါሆLj ET2:34ࡼᔢࡍၫࠅၒႥൈᆐ26/5lcqtLjᏴႥෝါሆLj ࠅၒႥൈᆐ236lcqtă౯࢟ᔜࡼᔜᒋᓍገན᎖ᆀࡍ ቃਜ਼ঌᏲࡼᓨზăᏴྀੜႥࣞෝါሆLjET2:34࣒ኊገጙ ৈᔢࡍᒋᆐ3/3lΩࡼ౯࢟ᔜă 2.Xjsfᔐሣࡼహሔᓨზᆐ࢟ຳăݙဵੜᒬᏇፐኊገ ᄫࠀಯഗ߈Lj༦ገཇࠀಯഗ߈થถଖኚဟLjܘኍᔐሣ ᒙ᎖హሔᓨზăྙਫ༽ౚဵݙᑚዹLj༦ᔐሣۣߒࢅ࢟ຳ ࡼဟମިਭ27μt )Ⴅෝါ*ިਭ231μt )ܪᓰႥൈ*ဟLj ᔐሣࡼჅᎌ࠭ୈۻআᆡăᓖፀǖET2:34ݙᅲཝ൸ ᔗܪᓰࡼ2.XjsfႥෝါሆᔢޠ27μtࡼࢅ࢟ຳဟମăᆐ ೫ཀྵۣ2.XjsfᔐሣࡼET2:34ݙᒊቲআᆡݷᔫLjਂ೫ ET2:34ࡼᔐሣᏴႥෝါሆᒙ᎖ࢅ࢟ຳࡼဟମݙถިਭ 23μtăࡩET2:342.XjsfདࣅET3591CET35:1ጲૺ ᎖কདࣅࡼးᔫဟLjถ৫ቲᑵཀྵᄰቧă ``````````````````````````````` ࠀಯഗ߈ ᄰਭ2.Xjsf࣡ాषᆰET2:34ࡼፇྙሆǖ • ߱ဪછ • SPNถෘഎ • ࡀ0఼ᒜถෘഎ • ࠀಯ0ၫ VPUP BUS MASTER DS1923 1-Wire PORT RPUP DATA Rx Rx IL Tx Tx Rx = RECEIVE Tx = TRANSMIT OPEN-DRAIN PORT PIN 100Ω MOSFET ᅄ21/! ፮ୈᒙ 36 ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo 2.XjsfᔐሣࡼჅᎌࠀಯഗ߈࠭߱ဪછਭ߈ఎဪă߱ဪ છኔᎅᓍ૦ख႙ࡼআᆡ൴ߡਜ਼࠭૦ख႙ࡼ።ࡊ൴ߡᔝ ߅ă።ࡊ൴ߡ᎖ᄰᒀᔐሣᓍ૦࠭ୈET2:34ጯਂࡵ ᔐሣLj݀ጯᓰ۸ኙăᎌਈᑚऱෂࡼৎࣶሮᇼดྏLj༿ ݬ 2.Xjsfቧഎݝॊă ```````````````````` 2.Xjsf! SPNถෘഎ ጙࡡᔐሣᓍ૦ଶࡵހᏴሣ።ࡊ൴ߡLj્ख߲ET2:34Ⴥᑽ ߒࡼ9ᄟSPNถෘഎᒦࡼጙৈăჅᎌSPNถෘഎࡼ ဵ࣒ࣞޠ9ᆡăጲሆဵSPNෘഎࡼ଼ገ)ݬఠᅄ22Ⴥ ာഗ߈ᅄ*ă Sfbe! SPN! \44i^ ᔐሣᓍ૦কෘഎࣗནET2:34ࡼ9ᆡଜᔙ൩Ăᆎጙࡼ59ᆡ ኔ൩ਜ਼9ᆡDSD൩ăকෘഎး᎖ᔐሣᒑᎌጙৈ࠭ ୈࡼ༽ౚăྙਫᔐሣೌ೫ࣶৈ࠭ୈLjกඐࡩჅᎌ ࠭ୈ࣒၂ᅄᏴᄴጙဟరख႙ၫဟ્खညၫߡᅃ )ധఎവࡴᒘࡼஉਫဵĐሣᎧđ*Ljஉਫ્ࡴᒘᓍ૦ࣗན ࡼଜᔙ൩Ă59ᆡኔ൩ᎧDSD൩ݙປă Nbudi! SPN! \66i^ Nbudi! SPNෘഎઁஜৌᓹ75ᆡSPN൩Ljᔐሣᓍ૦ಽক ෘഎభጲषᆰࣶ࢛ᔐሣ෭ৈᄂࢾࡼET2:34ăᒑᎌด ݝSPN൩Ꭷᓍ૦ख߲ࡼ75ᆡSPN൩ᑵཀྵປࡼET2:34ݣ ્ሰ።ႲઁࡼࡀถෘഎLjऎᎧ75ᆡSPN൩ݙປࡼ Ⴥᎌ࠭ୈࠀ᎖ࢀࡗআᆡ൴ߡᓨზăকෘഎး ᎖ᔐሣᎌጙৈࣶৈ࠭ୈࡼ༽ౚă Tfbsdi! SPN! \G1i^ ࡩᇹᄻࣅ߱ဪછဟLjᔐሣᓍ૦భถݙᒀࡸ2.Xjsfᔐሣ ਂୈࡼၫLjጐݙᒀࡸৈୈࡼᓖݿ൩ăಽᔐ ሣࡼĐሣᎧđᄂቶLjᔐሣᓍ૦ݧ߹जཀྵࢾჅᎌ࠭ ୈࡼᓖݿ൩ăᆐࡻࡵᓖݿ൩ࡼৈᆡLjᔐሣᓍ૦࠭ᓖݿ ൩ࡼᔢࢅᎌᆡఎဪख႙4ৈဟᇺăᏴ2ৈဟᇺᒦLjݬ Ꭷއኯࡼ࠭ୈၒ߲ᔈᓖݿ൩ࡼᏇ൩ăᏴ3ৈဟᇺᒦLj ݬᎧއኯࡼ࠭ୈၒ߲ࡼဵᓖݿ൩ࡼन൩ă4ৈဟᇺ ᒦLjᎅᓍ૦ቖྜྷჅኡᆡࡼᏇ൩ăჅᎌᎧᓍ૦ቖྜྷࡼᆡݙ ປࡼ࠭ୈ࣒ᄫᒏႝჃăྙਫᓍ૦ࣗནࡵࡼ࠭ୈ ࡼᏇ൩ਜ਼न൩ᆐ1LjกඐLjᔐሣᓍ૦ཱྀᆐᒗࡀᏴೝ ৈጲࡼ࠭ୈLjऎ༦ඣࡼSPN൩ݙᄴăኡᐋ21ቖ ྜྷ࠭ୈLjᔐሣᓍ૦ࡼᓖݿ൩ၥ߲ሚ೫ॊᑽăᅲ߅ᔢ ࢅᎌᆡࡵᔢᎌᆡࡼᑳৈክણઁLjᔐሣᓍ૦ࡻࡵ ೫ጙৈ࠭ୈࡼᓖݿ൩ă࠭ୈࡼᓖݿ൩భᎅᅪ ࡼݷᔫଶ߲ހăਈ᎖Tfbsdi SPNෘഎࡼሮᇼLj༿ ݬఠ።܊298ǖ2.XjsfႝჃႯजLjᆪᒦથ߲೫ጙৈ ଐဣಿă Dpoejujpobm! Tfbsdi! SPN! \FDi^ ߹೫ᒑᎌ൸ᔗᄂࢾᄟୈࡼୈభݬᎧႝჃᅪLjᏴऱ ෂLjDpoejujpobm Tfbsdi SPNෘഎࡼᒊቲ༽ౚᎧTfbsdi! SPN ෘഎಢ႒ăᏴࣶ࢛ᇹᄻᒦLjDpoejujpobm! Tfbsdi! SPNෘഎᆐ ᔐሣᓍ૦ဤܰกቋۨস೫ᒮገူୈࡼ࠭ୈᄋ೫ጙᒬ ᎌࡼऱजăࡩඛࠨ߅ႝჃࡵࣶ࢛ᔐሣࡼ෭ৈ ୈࡼ75ᆡSPN൩ઁLjభጲࣖषᆰকୈ೫Ljስख ߲Nbudi SPNෘഎጙዹăऎࡼ࠭ୈ࣒ᅓ߲ႝჃਭ ߈Ljࢀࡗሆጙৈআᆡ൴ߡࡼࡵă ࡩۨவᓨზࡀ)ᒍ1325i*ᒦࡼ6ৈۨவܪᒔᒦᎌጙৈ ᆐ2ဟLjET2:34્ሰ።Dpoejujpobm Tfbsdi SPNෘഎăᒑ ᎌ૮೫ᆨࣞਜ਼ဘࣞۨவถઁ્ݣख႙ሤ።ࡼۨவ)༿ݬ ఠᆨࣞࠅঢۨவਜ਼ဘࣞۨவݝॊ*ăCPSۨவቧဪᒫࠀ ᎖ᎌᓨზăखညࡼ2ࠨۨவဧୈሰ።Dpoejujpobm Tfbsdi! SPNෘഎă ______________________________________________________________________________________ www.BDTIC.com/maxim 37 ET2:34 ````````````````````````````````` ߱ဪછ ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo Tljq! SPN! \DDi^ Ᏼ࢛ᔐሣᇹᄻᒦLjᔐሣᓍ૦భဧকෘഎᏴݙᒀࡸ࠭ ୈ75ᆡSPN൩ࡼ༽ౚሆᒇषᆰࡀLj࠭ऎஂဏဟମă ࡣဵLjྙਫᔐሣਂᎌࣶৈ࠭ୈLjऎ༦ᏴTljq! SPN ෘഎઁख߲ጙৈࣗෘഎLjกඐᔐሣࡼࣶৈ࠭ୈ્ ᄴဟࠅၒၫLj࠭ऎखညߡᅃ)Ⴥᎌࡼധఎവሆ౯ޘည ĐሣᎧđஉਫ*ă Sftvnf! \B6i^ ᄰޟLjᏴఎဪጙሲྀᇗ༄ኊገࣶࠨषᆰET2:34ăᏴࣶ࢛ ።ણஹᒦLjጐፀᆜᓹඛࠨषᆰ࣒ܘኍᒮআࣗནNbudi SPNෘഎઁࡼ75ᆡSPNኔ൩ăᆐ೫ᄋᆀࡼၫᅔ ᅊLjభဧকSftvnfෘഎăᒊቲকݷᔫဟ၅ሌଶއSD ܪᒔࡼᓨზLjྙਫSDܪᒔᆐ2Ljᐌᒇࠅ႙ࡀ0఼ᒜถ ෘഎLjಢ႒᎖Tljq SPNෘഎăNbudi SPNĂTfbsdi SPN Pwfsesjwf.Nbudi SPNෘഎ߅ᏥቲઁLjభڳSDܪᒔᒙ 2LjࠥઁܣభSftvnfෘഎनআषᆰকୈăᆐ೫ऴᒏ ᔐሣࡼࣶৈୈᄴဟሰ።ᑚৈSftvnfෘഎLjࡩषᆰᔐ ሣࡼᅪጙৈୈဟ્༹߹SDܪᒔă Pwfsesjwf.Tljq! SPN! \4Di^ Ᏼ࢛ᔐሣᒦLjᔐሣᓍ૦భᄰਭPwfsesjwf.Tljq! SPNෘഎ Ᏼݙᒀࡸ75ᆡSPN൩ࡼ༽ౚሆषᆰࡀ0఼ᒜถLj࠭ऎ ஂဏဟମăᎧ໋ᄰTljq SPNෘഎݙᄴࡼဵLjPwfsesjwf.Tljq SPNෘഎభET2:34ᒙᆐႥෝါ)PE > 2*ăᒊቲ೫ 38 ࠥෘഎઁLjჅᎌᄰቧᏥቲᏴႥෝါሆLjᒇࡵᓍ૦ख ႙ጙৈᔢߒኚဟମᆐ7:1μtࡼআᆡ൴ߡڳᔐሣࡼჅᎌ ࠭ୈᒮቤᒙᆐܪᓰႥࣞ)PE > 1*ᆐᒏă ࣪᎖ࣶ࢛ᔐሣLjPwfsesjwf.Tljq SPNෘഎ્ڳჅᎌᑽߒ Ⴅෝါࡼ࠭ୈᒙᆐႥᏥቲෝါăᆐ೫ጲઁถኰᒍ ࡵጙৈᄂࢾࡼᑽߒႥෝါࡼୈLjܘኍᏴጲႥෝါࡼ Ⴅൈख߲ጙৈআᆡ൴ߡઁख႙Nbudi! SPNTfbsdi SPN ෘഎኔăᑚଝႝჃਭ߈ăྙਫᔐሣਂᎌࣶৈᑽ ߒႥෝါࡼ࠭ୈLj݀༦ᏴPwfsesjwf.Tljq SPNෘഎઁ ৌႲᓹጙৈࣗෘഎLjกඐࡩࣶৈ࠭ୈᄴဟख႙ቧဟLj ᔐሣ્खညၫߡᅃ)ఎധሆ౯ޘညጙৈĐሣᎧđஉਫ*ă Pwfsesjwf.Nbudi! SPN! \7:i^ ᏴPwfsesjwf.Nbudi SPNෘഎᒄઁĂጲႥෝါࡼႥൈࠅ ႙75ᆡSPN൩Ljభጲဧᔐሣᓍ૦Ᏼࣶ࢛ᔐሣኰᒍጙৈ ᄂࢾࡼET2:34Lj݀ᄴဟᒙᆐႥෝါăᒑᎌด ݝSPN൩Ꭷᓍ૦ख߲ࡼ75ᆡSPN൩ປࡼET2:34્ݣሰ ።Ⴒઁࡼࡀ0఼ᒜถෘഎăጯளᄰਭ Pwfsesjwf.Tljq SPNෘഎPwfsesjwf.Nbudi SPNෘഎᆐႥෝါࡼ࠭ ૦ጙᒇۣߒႥෝါLjᒇࡵᓍ૦ख႙ጙৈᒗ7:1μtࡼ আᆡ൴ߡݣถဧඣऩૄࡵܪᓰႥࣞăPwfsesjwf.Nbudi SPNෘഎး᎖࢛ࣶ࢛ᔐሣă ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ET2:34 BUS MASTER Tx RESET PULSE FROM FIGURE 11b FROM MEMORY/CONTROL FUNCTION FLOWCHART (FIGURE 9) OD RESET PULSE? N OD = 0 Y BUS MASTER Tx ROM FUNCTION COMMAND 33h READ ROM COMMAND? DS1923 Tx PRESENCE PULSE N 55h MATCH ROM COMMAND? F0h SEARCH ROM COMMAND? N ECh CONDITIONAL SEARCH COMMAND? N Y Y Y Y RC = 0 RC = 0 RC = 0 RC = 0 N N TO FIGURE 11b CONDITION MET? Y DS1923 Tx FAMILY CODE (1 BYTE) DS1923 Tx BIT 0 MASTER Tx BIT 0 BIT 0 MATCH? N N DS1923 Tx BIT 0 DS1923 Tx BIT 0 MASTER Tx BIT 0 MASTER Tx BIT 0 BIT 0 MATCH? N DS1923 Tx BIT 1 MASTER Tx BIT 1 BIT 1 MATCH? N N DS1923 Tx BIT 1 DS1923 Tx BIT 1 DS1923 Tx BIT 1 MASTER Tx BIT 1 MASTER Tx BIT 1 BIT 1 MATCH? N Y Y MASTER Tx BIT 63 BIT 63 MATCH? N N BIT 1 MATCH? Y DS1923 Tx BIT 63 DS1923 Tx CRC BYTE BIT 0 MATCH? Y Y Y DS1923 Tx SERIAL NUMBER (6 BYTES) DS1923 Tx BIT 0 DS1923 Tx BIT 63 DS1923 Tx BIT 63 DS1923 Tx BIT 63 MASTER Tx BIT 63 MASTER Tx BIT 63 BIT 63 MATCH? N BIT 63 MATCH? Y Y Y RC = 1 RC = 1 RC = 1 TO FIGURE 11b FROM FIGURE 11b TO MEMORY/CONTROL FUNCTION FLOWCHART (FIGURE 9) ᅄ22b/! SPNถഗ߈ᅄ ______________________________________________________________________________________ www.BDTIC.com/maxim 39 ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo TO FIGURE 11a FROM FIGURE 11a CCh SKIP ROM COMMAND? Y N A5h RESUME COMMAND? 3Ch OVERDRIVESKIP ROM? N Y N Y RC = 1? N Y RC = 0; OD = 1 RC = 0 69h OVERDRIVEMATCH ROM? RC = 0; OD = 1 N Y MASTER Tx RESET? Y MASTER Tx BIT 0 N (SEE NOTE) MASTER Tx RESET? N Y BIT 0 MATCH? N OD = 0 Y MASTER Tx BIT 1 (SEE NOTE) BIT 1 MATCH? N OD = 0 Y MASTER Tx BIT 63 (SEE NOTE) BIT 63 MATCH? N OD = 0 Y FROM FIGURE 11a RC = 1 TO FIGURE 11a NOTE: THE OD FLAG REMAINS AT 1 IF THE DEVICE WAS ALREADY AT OVERDRIVE SPEED BEFORE THE OVERDRIVE-MATCH ROM COMMAND WAS ISSUED. ᅄ22c/! SPNถഗ߈ᅄ)ኚ* 40 ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ᔐሣᓍ૦ျहၫሣ݀ྜྷ၃ෝါ)Sy*ઁLj2.Xjsfᔐሣ ᄰਭ౯࢟ᔜஐᓐᎌᏎ࢟വ)ݧET3591Cདࣅ* ࢟ኹ౯ᒗWQVQăࡩᔐሣ࢟ኹިਭᥬᒋ࢟ኹWUI ઁLjET2:34 ࢀࡗuQEI ဟମLjઁᄰਭᔐሣ౯ࢅuQEM ख႙ጙৈ። ࡊ൴ߡăᆐ೫ถ৫ଶࡵހᏴሣ።ࡊ൴ߡLjᓍ૦።কᏴuNTQ ဟర࣪2.Xjsfᔐሣࡼ൝ᓨზቲଶހă ET2:34ኊገዏৃࡼᄰቧፇۣᑺၫࡼᅲᑳቶăকፇ ᎅᄰਭጙᄟሣࠅ႙ࡼ႐ᒬቧഎᔝ߅ǖᎅআᆡ൴ߡਜ਼Ᏼሣ ።ࡊ൴ߡᔝ߅ࡼআᆡኔĂቖ1Ăቖ2Ăࣗၫă߹Ᏼሣ። ࡊ൴ߡጲᅪLjჅᎌቧ࣒ᎅᔐሣᓍ૦߿खăET2:34 ᎌೝᒬݙᄴࡼᄰቧႥࣞǖܪᓰႥࣞਜ਼ႥෝါሆࡼႥࣞă ྙਫᎌීཀྵᆐႥෝါLjET2:34્ጲܪᓰႥࣞቲ ᄰቧăᏴႥෝါሆᔫဟLjჅᎌ݆ተݧႥࢾဟă uSTUI ࡼߒኚဟମᒗ።কဵuQEINBYĂuQEMNBY ਜ਼uSFDNJO ᒄਜ਼ăuSTUI ဟମᒫᒏઁLjET2:34൫ᔪੑ၃ၫࡼ ᓰ۸ăᏴࣶᒬ࠭ୈᔝ߅ࡼࣶ࢛ᆀᒦLjܪᓰႥࣞሆuSTUI ࡼߒኚဟମᒗ።ᆐ591μtǗႥෝါሆuSTUI ࡼߒኚဟମ ᒗ።ᆐ59μtLjᑚዹݣถး።ࡍࣶၫ2.Xjsfୈࡼኊገă ገڳୈ࠭హሔᓨზ૮Ljܘኍ2.Xjsfᔐሣࡼ࢟ኹ࠭ WQVQ ଢ଼ᒗᥬᒋ࢟ኹWUM ጲሆǗᆐ೫ဧୈ࠭Ꮵቲᓨზᓞྜྷ హሔᓨზLjኊ2.Xjsfᔐሣࡼ࢟ኹ࠭WJMNBY ᄋဍᒗᥬᒋ ࢟ኹWUI ጲăྙᅄ23ჅာLj࢟ኹဍჅኊࡼဟମĐεđ ܭာLjᒋᎅ౯࢟ᔜ)SQVQ*ਜ਼2.Xjsfᆀࡼ࢟ྏࢾă ᇹᄻ൝࢟ຳࡼཀྵࢾᎧET2:34ࡼWJMNBY ࢟ኹᎌਈLjࡣক ࢟ኹ݀߿ݙखྀੜူୈă ࣗ0ቖဟᇺ ᎧET2:34ࡼၫᄰቧဵᄰਭጙৈৈဟᇺᅲ߅ࡼLjඛৈဟ ᇺᒑถࠅ႙ጙᆡၫăᄰਭቖဟᇺభڳၫ࠭ᓍ૦ࠅ႙ ࠭૦Ljᄰਭࣗဟᇺభڳၫᎅ࠭ୈࠅ႙ᓍ૦ăࣗ ဟᇺਜ਼ቖဟᇺࡼࢾፃྙᅄ24Ⴥာă ET2:34ᄰቧဟჅኊࡼ߱ဪછဟኔྙᅄ23Ⴥာăআᆡ൴ߡᒄ ઁࡼ።ࡊ൴ߡීܭET2:34ጯளᓰ۸ੑ၃ၫLjభጲख႙ ᑵཀྵࡼSPNෘഎਜ਼ࡀถෘഎăྙਫᔐሣᓍ૦ݧڼ ൈ఼ᒜሆଢ଼ዘLjᐌᆐ೫ܟޡݗᏏဟମLjܘኍᔐሣ౯ࢅ )uSTUM , uG*ăྦuSTUM ࡼߒኚဟମᆐ7:1μtৎޠLj્ဧ ୈᅓ߲ႥෝါLjऩૄࡵܪᓰႥࣞෝါăྦET2:34ࠀ᎖ Ⴅෝါ༦uSTUM ဟޠቃ᎖91μtLjET2:34ۣ྆ߒႥෝါă Ⴥᎌࡼᄰቧ࣒ဵ࠭ᓍ૦౯ࢅၫሣఎဪࡼăࡩ2.Xjsfᔐሣ ࡼ࢟ኹࢅ᎖ᥬᒋ࢟ኹWUM ဟLjET2:34ಽดݝဟ ཀྵࢾᏴቖဟᇺ໐ମੜဟ࣪ၫቲݧዹLjጲૺࣗဟᇺဟ ၫۣߒࣶޠᎌဟମă MASTER Tx "RESET PULSE" MASTER Rx "PRESENCE PULSE" ε tMSP VPUP VIHMASTER VTH VTL VILMAX 0V tRSTL tPDH tF tPDL tREC tRSTH RESISTOR MASTER DS1923 ᅄ23/! ߱ဪછਭ߈ǖআᆡਜ਼Ᏼሣ።ࡊ൴ߡ ______________________________________________________________________________________ www.BDTIC.com/maxim 41 ET2:34 ````````````````````````````` 2.Xjsfቧഎ ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ᓍ૦ࡵ࠭૦ ࣪᎖ቖ2ဟᇺႁLjᏴቖ2ᆐࢅࡼဟମuX2MNBY உၦᒄ༄Lj ၫሣࡼ࢟ኹܘኍࡉࡵᥬᒋWUIă࣪᎖ቖ1ဟᇺႁLjࡩ ቖ1ᆐࢅࡼဟମuX1MNJO உၦጲ༄Ljሣവࡼ࢟ኹܘኍࢅ᎖ ᥬᒋWUIăᏴᑳৈuX1M uX2M ߒኚဟମดLjၫሣࡼ࢟ ኹݙถިਭWJMNBYăᏴሆࠨဟᇺࣅᒄ༄Ljၫሣࡼ࢟ ኹ၅ሌገဍࡵWUI ጲLjۣ݀ߒࡵૂআဟମuSFD ᆐᒏă ࠦᑩă࠭ᅪݝᏎẮࡵ2.Xjsfሣവࡼᐅဉጐޘညቧ ඇࠦăဟᇺဍዘဟ߲ሚࡼඇࠦభถ્࠭ୈᎧᓍ ૦ݙᄴݛLjஉਫ્ᐆ߅Tfbsdi SPNෘഎᇄLjࡴᒘᄂ ࢾୈࡼถෘഎᒦᒏăᆐᄋᆀቶถLjET2:34ݧ ೫ጙᒬቤቯࡼ2.Xjsf༄࣡Lj࣪ᐅဉࡼጽೆৎ༓Ljభጲ ଢ଼ࢅ࠭ୈྜྷࡼᐅဉࡼ७ࣞă ࠭૦ࡵᓍ૦ ࣗၫဟᇺࡼఎဪᎧቖ2ဟᇺሤ႒ăሣവࡼ࢟ኹܘኍۣ ߒᏴWUM ጲሆLjߒኚဟମࢅݙ᎖ࢅ࢟ຳࣗནဟମuSMăᏴuSM ࠊాLjྙਫၫᆐ1LjET2:34ଖኚڳၫሣ౯ࢅLjด ݝဟࢾੜဟஉၦᔐሣ౯ࢅૺੜဟᏳࠨ౯࢟ኹăࡩၫ ᆐ2ဟLjࡉࡵuSM ဟLjET2:34ጐ્ݙၫሣ౯ࢅLjᔐሣ ࢟ኹఎဪဍă 2* Ᏼሣ።ࡊ൴ߡࡼሆଢ଼ዘቓൈဵ၊఼ᒜࡼLjᑚዹᄋ೫ ܈ၫᔊఎਈᄏৎੑࡼࠅၒሣᔜఝປLjᔈࠅ ᄻୈࡼຫᑩᓞધᆐৎຳઘࡼࢅຫၾܤăሢڼൈ ఼ᒜᎅݬၫuGQE ᒎࢾLjᒑဵᑣ࣪ܪᓰႥࣞਜ਼ႥෝါLj ᎌݙᄴࡼནᒋă ᓍ૦ࡼݧዹࠊా)uNTSNJOࡵuNTSNBY*ᎅuSM , δ )ဍဟମ*ਜ਼ ET2:34ࡼดݝဟৢᄴࢾăᏴকࠊాดLjᓍ૦ܘኍ࠭ၫ ሣࣗၫăᆐဧᄰቧৎଝభణLjuSM ።কభถLj༦ ᓍ૦።কᏴణத᎒ިݙਭuNTSNBY ဟቲནዹăࡩ࠭ၫ ሣࣗࡵၫઁLjᓍ૦ܘኍఎဪࢀࡗLjᒇࡵu TMPU உၦă ᑚዹݣဧET2:34ᎌߠᔗࡼૂআဟମuSFDLjጲܣᆐሆෂࡼဟ ᇺᔪੑᓰ۸ă ```````````````` খ࿖ᆀቶถ)༤ધ࢛ᒣૄ* Ᏼ2.XjsfᇹᄻᒦLjஞᓍ૦)2.Xjsfདࣅ*఼ᒜޘညࡼቧ ၾܤ໐ମభถဣሚሣവᒫ࣡ປLjፐࠥLj2.Xjsfᆀ੪ྏ ጵ၊ࡵᐅဉࡼ፬ሰăোᆀࡼᇕಯተᓨࡍቃਜ਼ᅠແ உ৩ࡼݙᄴLj࢛࠭࣡ࡵॊᑽ࢛ࡼनభถ્Ᏼጙࢾ߈ࣞ ሤઑࢶଝࢎሿăᑚᒬनܭሚᆐ2.Xjsfᄰቧሣവࡼඇ 42 ET2:34ࡼ2.Xjsf༄࣡Ꭷࠅᄻࡼ࠭ୈሤ܈ᎌጲሆ႐ৈᄂ࢛ǖ 3* Ᏼᑚৈখࡼ༄࣡࢟വᒦᐐଝ೫ጙৈࢅᄰ݆Lj ᎖ଶހဟᇺఎဪဟࡼሆଢ଼ዘLjభଢ଼ࢅୈ࣪ຫᐅဉ ࡼැঢࣞăᑚৈ݆ᏴႥᔫဟݙᔫă 4* ᎅࢅࡵࡼ༤ધඡሢWUI ᎌጙࢾࡼᒣૄLjᑚዹࡩᎌጙ ৈঌඇࠦࡼ࢟ኹࢅ᎖WUILjࡣࢅݙ᎖WUI . WIZ ဟLj ્ݙࢾᆐঌ൴ߡ)ᅄ 25 ᒦࡼ༽ౚ B*ăᒣૄᏴྀੜ 2.XjsfႥൈሆᔫă 5* কᇹᄻଐ೫ጙৈᎅဍዘᅗᆘဟମu SFI ࢾፃࡼဟମ ࠊాLjᏴᑚৈࠊాดLj૾ဧඇࠦ࢟ኹࢅ᎖೫ඡሢWUI . WIZ )ᅄ25ᒦࡼ༽ౚCLjuHM =! uSFI*Lj્྆ۻăྙ ਫިਭᑚৈဟମࠊాLj༦ඇࠦ࢟ኹ࢟ኹଢ଼ࢅ᎖WUI ඡ ሢLjᐌ݆ݙถ߹ᑚቋᐅဉLjۻᓍ૦ᇙཱྀᆐቤ ဟᇺࡼఎဪ)ᅄ25ᒦࡼ༽ౚDLjuHM ≥ uSFI*ă ᒑᎌกቋᏴᔈࡼ࢟ᄂቶᒦ߲ݬၫuGQEĂWIZ ૺuSFI ࢾፃࡼ࠭ୈݣభጲဧᑚጙখࡼ2.Xjsf༄࣡ă ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ET2:34 WRITE-ONE TIME SLOT tW1L VPUP VIHMASTER VTH VTL VILMAX 0V ε tF tSLOT RESISTOR MASTER WRITE-ZERO TIME SLOT tW0L VPUP VIHMASTER VTH VTL VILMAX 0V ε tF tREC tSLOT RESISTOR MASTER READ-DATA TIME SLOT tMSR tRL VPUP VIHMASTER VTH MASTER SAMPLING WINDOW VTL VILMAX 0V δ tF tREC tSLOT RESISTOR MASTER DS1923 ᅄ24/! ࣗ0ቖဟኔᅄ ______________________________________________________________________________________ www.BDTIC.com/maxim 43 ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo tREH tREH VPUP VTH VHY CASE A CASE B CASE C 0V tGL tGL ᅄ25/! ᐅဉጴᒜᅄ POLYNOMIAL = X16 + X15 + X2 + 1 1ST STAGE X0 X2 X1 9TH STAGE X8 3RD STAGE 2ND STAGE 10TH STAGE X9 11TH STAGE X10 4TH STAGE X3 12TH STAGE X11 5TH STAGE X4 13TH STAGE X12 6TH STAGE X5 14TH STAGE X13 7TH STAGE X6 8TH STAGE X7 15TH STAGE X14 16TH STAGE X15 X16 CRC OUTPUT INPUT DATA ᅄ26/! DSD.27ࡼ፮ୈႁීਜ਼ࣶሲါ ```````````````````````````` DSDࡼည߅ ET2:34ᎌೝᒬಢቯࡼDSD൩)ክણྑቅዩ*ăጙᒬဵ9ᆡ DSD൩LjࡀᏴ75ᆡSPN൩ࡼᔢᎌᔊஂăᆐཀྵࢾ SPN ၫဵ॥ۻᇄࣗࡇތནLjᔐሣᓍ૦ো 75 ᆡ SPN൩ࡼ༄67ᆡଐႯ߲DSDࡼᒋLj݀ڳਜ਼࠭ET2:34ಱ ࣗࡵࡼDSDᒋᔪ୷܈ăকDSD൩ࡼࢀࣶሲါဵY9 ,! Y6 ,! Y5 ,! 2ăࣗནSPNဟLj၃ࡵࡼဵ9ᆡDSD൩ࡼᏇ൩)ᆚ ཇनࡼ*ăDSDቅዩ൩ጯᏴޣଐႯLj݀రྜྷSPNดă ጙᒬDSD൩ᆐ27ᆡLjোܪᓰࡼDSD.27ࣶሲါY27 ,! Y26 ,! Y3 ,! 2ည߅ࡼăࡩݧSfbe! Nfnpsz! xjui! DSDෘഎࣗན ࡀၫഺࡀဟᏴቖྜྷĂ߲ࣗࡀኊ ገႥଶዩࠅၒၫဟLjభಽকDSD൩ቲࡇތଶ ހăᎧ9ᆡDSD൩ݙᄴࡼဵLj27ᆡDSD൩ᔐဵጲन൩ࡼተ 44 ါۻख႙ૄࣗăږᑍᅄ:Ⴥာࡼෘഎഗ߈ᅄLjET2:34በ ຢดࡼݝDSDखည)ᅄ26*ଐႯ߲ጙৈቤࡼ27ᆡDSD ൩ăᔐሣᓍ૦࠭ୈಱ߲ࣗࡼDSDᒋᄴᔈোၫ ଐႯ߲ࡼDSDᒋሤ୷܈LjጲࣥဵଖኚݷᔫથဵᒮࣗDSD ߲ሚࡇᇙࡼၫݝॊă࣪᎖ᔢ߱ࡼSfbe! Nfnpsz! xjui! DSD ෘഎഗLj࣪።ࡼ27ᆡDSDᒋᎅጲሆݛᒾည߅ǖሌෘഎ ᔊஂጤྜྷጯ༹ഃࡼDSDखညĂᏳ3ৈᒍᔊஂਜ਼ၫ ᔊஂጤྜྷDSDखညăଐႯ߲ࡼDSDᒋ۞ݙ౪ම൩Ᏼดă ࣪᎖ႲઁࡼSfbe Nfnpsz xjui DSDෘഎഗLjჅޘညࡼ27ᆡ DSD൩ᐌဵ༹ഃDSDखည݀ጤྜྷၫᔊஂࡼஉਫă ᒊቲXsjuf TdsbudiqbeෘഎဟLjDSDቅዩ൩ဵᄰਭ၅ሌ༹߹ DSDखညĂઁጤྜྷෘഎࡔ൩ĂܪᒍUB2ਜ਼UB3ጲ ૺჅᎌၫᔊஂࡼऱါޘညࡼăᒑᎌᏴቖྜྷࡀࡼၫ ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ᒊቲSfbe TdsbudiqbeෘഎဟLjDSDቅዩ൩ဵᄰਭ၅ሌ༹߹ DSDखညĂઁጤྜྷෘഎࡔ൩ĂܪᒍUB2ਜ਼UB3Ă F0Tᔊஂጲૺ࠭ܪᒍఎဪࡼࡀၫࡼऱါޘညࡼă ᒑᎌೌኚࣗᒗࡀࡼᆘࠀLjET2:34ࠅݣ႙ᑚৈDSD ቅዩ൩LjᎧဣଔஉၦມጤᒍᇄਈăᎌਈည߅DSDቅዩ ൩ࡼৎࣶቧᇦLj༿ݬఠ።܊38ă `````````````````````````````````````````````````````` 2.Xjsfᄰቧፇࡼᓜෘഎ—९ SYMBOL DESCRIPTION RST 1-Wire reset pulse generated by master. PD 1-Wire presence pulse generated by slave. Select Command and data to satisfy the ROM function protocol. WS Command “Write Scratchpad.” RS Command “Read Scratchpad.” CPS Command “Copy Scratchpad with Password.” RMC Command “Read Memory with Password and CRC.” CM Command “Clear Memory with Password.” FC Command “Forced Conversion.” SM Command “Start Mission with Password.” STP Command “Stop Mission with Password.” TA Target Address TA1, TA2. TA–E/S Target Address TA1, TA2 with E/S byte. <Data to EOS> Transfer of as many data bytes as are needed to reach the scratchpad offset 1Fh. <Data to EOP> Transfer of as many data bytes as are needed to reach the end of a memory page. <Data to EOM> Transfer as many bytes as are needed to reach the end of the data-log memory. <PW/Dummy> Transfer of 8 bytes that either represent a valid password or acceptable dummy data. <32 Bytes> <Data> Transfer of 32 bytes. Transfer of an undetermined amount of data. FFh Transmission of one FFh byte. CRC-16 Transfer of an inverted CRC-16. FF Loop Indefinite loop where the master reads FF bytes. AA Loop Indefinite loop where the master reads AA bytes. ______________________________________________________________________________________ www.BDTIC.com/maxim 45 ET2:34 ۞౪ࡀஉၦມጤᒍ22222cဟLjET2:34ࠅݣ႙ᑚৈ DSD൩ăၫభጲ࠭ࡀดྀࡼݝੜࡀᏄఎဪă ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ``````````````````````````````````````````````````` 2.Xjsfᄰቧፇࡼᓜෘഎ—ዕྻܠ൩ Master-to-Slave Slave-to-Master ````````````````````````````````````````````````````````````````````` 2.Xjsfᄰቧಿ Write Scratchpad, Reaching the End of the Scratchpad (Cannot Fail) RST PD Select WS TA <Data to EOS> CRC-16 FF Loop Read Scratchpad (Cannot Fail) RST PD Select RS TA-E/S <Data to EOS> CRC-16 FF Loop Copy Scratchpad with Password (Success) RST PD Select CPS TA-E/S <PW/Dummy> AA Loop Copy Scratchpad with Password (Fail TA-E/S or Password) RST PD Select CPS TA-E/S <PW/Dummy> FF Loop Read Memory with Password and CRC (Success) RST PD Select RMC TA <PW/Dummy> <Data to EOP> CRC-16 <32 Bytes> CRC-16 FF Loop Loop Read Memory with Password and CRC (Fail Password or Address) RST PD Select RMC TA <PW/Dummy> FF Loop Clear Memory with Password RST PD Select CM <PW/Dummy> FFh FF Loop To verify success, read the General Status register at address 0215h. If MEMCLR is 1, the command was executed successfully. 46 ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo Forced Conversion RST PD Select FC FFh FF Loop To read the result and to verify success, read the addresses 020Ch to 020Fh (results) and the Device Samples Counter at address 0223h to 0225h. If the count has incremented, the command was executed successfully. Start Mission with Password RST PD Select SM <PW/Dummy> FFh FF Loop To verify success, read the General Status register at address 0215h. If MIP is 1 and MEMCLR is 0, the command was executed successfully. Stop Mission with Password RST PD Select STP <PW/Dummy> FFh FF Loop To verify success, read the General Status register at address 0215h. If MIP is 0, the command was executed successfully. ````````` ྀᇗಿǖᓰ۸ਜ਼ఎဪጙሲቤྀᇗ ݛᒾ2ǖ༹߹ࠨྀᇗᒦࡼၫă ଣࢾǖ༄ጙሲྀᇗጯளᄰਭᒊቲTupq! Njttjpoෘഎஉၦăම ൩ዩᑺถᆚۻ૮Lj࠭ୈဵET2:34ă ݛᒾ3ǖᒙၫቖྜྷࡀ2ă ݛᒾ4ǖࣅቤྀᇗă ࣅጙሲྀᇗኊገளਭጲሆྯৈݛᒾǖ ݛᒾ2ǖ༹߹ࠨྀᇗᒦࡼၫă ᔐሣᓍ૦ᒑਂ೫ጙৈET2:34ဟLjݛᒾ2ࡼᄰቧਭ߈ ྙሆǖ MASTER MODE DATA (LSB FIRST) Tx (Reset) COMMENTS Rx (Presence) Tx CCh Issue “Skip ROM” command Tx 96h Issue “Clear Memory” command Tx <8 FFh bytes> Tx FFh Tx (Reset) Rx (Presence) Reset pulse Presence pulse Send dummy password Send dummy byte Reset pulse Presence pulse ______________________________________________________________________________________ www.BDTIC.com/maxim 47 ET2:34 ````````````````````````````````````````````````````````````````` 2.Xjsfᄰቧಿ)ኚ* ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ݛᒾ3ǖᒙၫቖྜྷࡀ2ă • ۨவ఼ᒜ)࣪Dpoejujpobm! Tfbsdi! SPNᔪ߲ሰ።* Ᏼᒙਭ߈ᒦLjୈኊገᒀࡸጲሆቧᇦǖ • ᄰྀᇗݬၫ)ྙǖഺᄰࡸਜ਼ၫഺৃါĂဵ॥ ࣅክણถĂྀᇗࣅෝါ* • ဟମਜ਼྇໐ • ݧዹႥൈ • ྀᇗࣅዓߕ • ۨவᥬᒋ ྙሆၫ᎖ᒙET2:34ᆨࣞഺਜ਼ဘࣞഺLjݧ9 ᆡৃါă 48 ADDRESS DATA 0200h 00h 0201h 30h 0202h 15h 0203h 15h 0204h 05h 0205h 04h 0206h 0Ah 0207h 00h EXAMPLE VALUES FUNCTION 15:30:00 hours Time 15th of May in 2004 Date Every 10 minutes (EHSS = 0) Sample rate 10°C Low 20°C High Temperature Alarm Thresholds 40%RH Low 70%RH High Humidity Alarm Threshold, no software correction used (Don’t care) Clock through read-only registers 0208h 66h 0209h 7Ah 020Ah 6Fh 020Bh 9Eh 020Ch FFh 020Dh FFh 020Eh FFh 020Fh FFh 0210h 03h Enable high and low alarm Temperature Alarm Control 0211h FFh Enable high and low alarm Humidity Alarm Control 0212h 01h On (enabled), EHSS = 0 (low sample rate) RTC Oscillator Control, sample rate selection 0213h C3h Normal start; no rollover; 8-bit logging General Mission Control 0214h FFh 0215h FFh (Don’t care) Clock through read-only registers 0216h 5Ah 0217h 00h 90 minutes Mission Start Delay 0218h 00h ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo MASTER MODE DATA (LSB FIRST) Tx (Reset) Rx (Presence) Tx CCh Tx 0Fh Issue “Write Scratchpad” command Tx 00h TA1, beginning offset = 00h ET2:34 ᔐሣᓍ૦ᒑਂ೫ጙৈET2:34ဟLjݛᒾ3ࡼᄰቧਭ߈ ྙሆǖ COMMENTS Reset pulse Presence pulse Issue “Skip ROM” command Tx 02h Tx <25 Data Bytes> TA2, address = 0200h Tx <7 FFh Bytes> Write 25 bytes of data to scratchpad Write through the end of the scratchpad Tx (Reset) Rx (Presence) Tx CCh Issue “Skip ROM” command Tx AAh Issue “Read Scratchpad” command Rx 00h Read TA1, beginning offset = 00h Rx 02h Read TA2, address = 0200h Rx 1Fh Read E/S, ending offset = 1Fh, flags = 0h Rx <32 Data Bytes> Tx (Reset) Rx (Presence) Tx CCh Tx 99h Issue “Copy Scratchpad” command Tx 00h TA1 Tx 02h TA2 Tx 1Fh E/S Tx <8 FFh Bytes> Presence pulse Read scratchpad data and verify Reset pulse Presence pulse Issue “Skip ROM” command Tx (Reset) Rx (Presence) (AUTHORIZATION CODE) Send dummy password Reset pulse Presence pulse ྙਫݛᒾ4߅ᒊቲLjกඐᄰᓨზࡀᒦࡼNJQᆡᆐ2Lj NFNDMSᆡᆐ1Ljᄴဟྀᇗࣅዓߕྜྷࡱଐဟă ݛᒾ4ǖࣅቤྀᇗă ᔐሣᓍ૦ᒑਂ೫ጙৈET2:34ဟLjݛᒾ4ࡼᄰቧਭ߈ ྙሆǖ MASTER MODE Reset pulse DATA (LSB FIRST) COMMENTS Tx (Reset) Rx (Presence) Tx CCh Issue “Skip ROM” command Tx CCh Issue “Start Mission” command Tx <8 FFh Bytes> Tx FFh Tx (Reset) Rx (Presence) Reset pulse Presence pulse Send dummy password Send dummy byte Reset pulse Presence pulse ______________________________________________________________________________________ www.BDTIC.com/maxim 49 ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ````````````````````` ᆨࣞࡼྟୈቅᓰႯज ᄰਭݧቅᓰႯजLjభጲখॊܦൈᆨࣞᓞધஉਫ)༓ᒜ ᓞધஉਫૺᆨࣞഺஉਫ*ࡼறࣞăቲྟୈቅᓰჅኊࡼၫ ࡀᏴቅᓰࡀᒦ)ࡀ29*ăকࡀᒦᆐೝ ৈݙᄴࡼᆨࣞॊܰࡀ೫ݬఠᆨࣞ)Us*ਜ਼ᓞધஉਫ)Ud*Ljྙ ሆܭჅာLj༿ݬఠ ᆨࣞᓞધ ݝॊਈ᎖औᒜၫৃါࡼ හၤă ADDRESS DESIGNATOR 0240h Tr2H ᒊቲྟୈቅᓰႯजኊገೝৈএଝݬၫᒋLjᑚೝৈএଝݬ ၫᒋᆚ۞Ᏼ࠭ୈᒦLj࣪ET2:34ႁLjᑚೝৈݬၫဵ Us2! >! 71°DLjມጤ >! 52ă কቅᓰႯजॊᆐೝݛǖᓰ۸ᔫਜ਼ᒊቲăᏴᓰ۸ਭ߈ᒦLj ၅ሌڳᆨࣞၫ࠭औᒜᓞધ߅လᒜࡼ°DৃါLjሆ ଐႯྯৈᇹၫBĂCਜ਼DăᏴᒊቲਭ߈ᒦLj၅ሌET2:34 ख႙ࡼᆨࣞᒋ࠭ࢅ0ᔊஂৃါ)UdMĂUdI*ᓞધ߅°D )Ud* ৃါLj݀༦ቅᓰᆐUdpssăᒊቲᅲጙઁݛLjनআဧBĂ CĂDྯৈᇹၫቅᓰྀጙৈᆨࣞࣗၫਜ਼ᄴጙৈୈ ࡼᆨ ࣞഺă DESCRIPTION Cold reference temperature, high-byte. 0241h Tr2L Cold reference temperature, low-byte. 0242h Tc2H Conversion result at cold reference temperature, high-byte. 0243h Tc2L Conversion result at cold reference temperature, low-byte. 0244h Tr3H Hot reference temperature, high-byte. 0245h Tr3L Hot reference temperature, low-byte. 0246h Tc3H Conversion result at hot reference temperature, high-byte. 0247h Tc3L Conversion result at hot reference temperature, low-byte. ݛᒾ2ǖᓰ۸ Us2! >! 71 ມጤ >! 52 Us3! >! Us3I03! ,! Us3M0623! .! ມጤ )࠭औᒜᓞધ߅လᒜ°Dৃါ* Us4! >! Us4I03! ,! Us4M0623! .! ມጤ )࠭औᒜᓞધ߅လᒜ°Dৃါ* Ud3! >! Ud3I03! ,! Ud3M0623! .! ມጤ )࠭औᒜᓞધ߅လᒜ°Dৃါ* Ud4! >! Ud4I03! ,! Ud4M0623! .! ມጤ )࠭औᒜᓞધ߅လᒜ°Dৃါ* Fss3! >! Ud3! .! Us3 Fss4! >! Ud4! .! Us4 Fss2! >! Fss3 C! >! )Us33 .! Us23*! y! )Fss4! .! Fss2*0\)Us33 .! Us23*! y! )Us4! .! Us2*! ,! )Us43 .! Us23*! y! )Us2! .! Us3*^ B! >! C! y! )Us2! .! Us3*0)Us33 .! Us23* D! >! Fss2! .! B! y! Us23 .! C! y! Us2 ݛᒾ3ǖᒊቲ Ud! >! UdI03! ,! UdM0623! .! ມጤ )࠭औᒜᓞધ߅လᒜ°Dৃါ* Udpss! >! Ud! .! )B! y! Ud3 ,! C! y! Ud! ,! D* )ኀᑵᒋ* 50 ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo CONVERTED DATA FROM CALIBRATION MEMORY Tr2 = -10.1297°C Tr3 = 24.6483°C Tc2 = -10.0625°C Tc3 = 24.5°C ERROR VALUES Err2 = 0.0672°C Err3 = -0.1483°C Err1 = Err2 RESULTING CORRECTION COEFFICIENTS B = -0.008741 A = 0.000175/°C C = -0.039332°C APPLICATION OF CORRECTION COEFFICIENTS TO SAMPLE READING Tc = 22.500000°C Tcorr = 22.647275°C ᓖǖྟୈቅᓰኊገݧॳ࢛ᏥႯ)35ᆡৎ*ޠă࠭ಢᆀᐶୣܠބፉᒦభጲࡻࡵး᎖ᆈ఼ᒜࡼଐႯၫెă ````````````````````` ဘࣞࡼྟୈቅᓰႯज ᄰਭݧቅᓰႯजLjభጲখဘࣞᓞધஉਫ)༓ᒜᓞધஉ ਫૺဘࣞഺஉਫ*ࡼறࣞăቲྟୈቅᓰჅኊࡼၫࡀ Ᏼቅᓰࡀᒦ)ࡀ29*ăকࡀᒦᆐྯৈݙ ᄴࡼဘ࢛ࣞࡀ೫ݬఠဘࣞ)Is*ਜ਼ᓞધஉਫ)Id*Ljྙሆܭ ჅာăጲሆၫᏴ36°Dሆࡻă কቅᓰႯजॊᆐೝݛǖᓰ۸ᔫਜ਼ᒊቲăᏴᓰ۸ਭ߈ᒦLj ၅ሌڳဘࣞᒋ࠭औᒜᓞધ߅လᒜࡼ&SIৃါLjሆ ଐႯྯৈᇹၫBĂCਜ਼DăᏴᒊቲਭ߈ᒦLj၅ሌET2:34 ख႙ࡼဘࣞᒋ)Ꮗဪၫ*࠭ࢅ0ᔊஂ)IdMĂIdI*ᓞધ߅ &SI )Id*ৃါLj݀༦ቅᓰᆐIdpssăᒊቲᅲጙઁݛLjन আဧBĂCĂDྯৈᇹၫቅᓰྀጙৈဘࣞࣗၫਜ਼ ᄴጙ ৈୈࡼဘࣞഺă ADDRESS DESIGNATOR 0248h Hr1H Low reference humidity, high byte. DESCRIPTION 0249h Hr1L Low reference humidity, low byte. 024Ah Hc1H Conversion result at low reference humidity, high byte. 024Bh Hc1L Conversion result at low reference humidity, low byte. 024Ch Hr2H Medium reference humidity, high byte. 024Dh Hr2L Medium reference humidity, low byte. 024Eh Hc2H Conversion result at medium reference humidity, high byte. 024Fh Hc2L Conversion result at medium reference humidity, low byte. 0250h Hr3H High reference humidity, high byte. 0251h Hr3L High reference humidity, low byte. 0252h Hc3H Conversion result at high reference humidity, high byte. 0253h Hc3L Conversion result at high reference humidity, low byte. ______________________________________________________________________________________ www.BDTIC.com/maxim 51 ET2:34 ``````````````````````````````````````````````````````````````````` ၫᔊᆨࣞቅᓰಿ ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ݛᒾ2ǖᓰ۸ ࣪᎖ࡀहᏴቅᓰࡀಱࡼဘࣞᒋႁLj።ඛጙৈࢅᔊஂࡼ႐ৈࢅᆡᒙᆐ1ăᑚዹభၫ࠭औᒜৃါሶᏇ ဪ&SIᒋࡼᓞધ଼છᆐጙৈࢀါă Is2! >! ))Is2I! y! 367! ,! Is2M*! y! 6/13076647! .! 1/:69*01/1418 )࠭औᒜᓞધ߅&SI* Is3! >! ))Is3I! y! 367! ,! Is3M*! y! 6/13076647! .! 1/:69*01/1418 Is4! >! ))Is4I! y! 367! ,! Is4M*! y! 6/13076647! .! 1/:69*01/1418 Id2! >! ))Id2I! y! 367! ,! Id2M*! y! 6/13076647! .! 1/:69*01/1418 Id3! >! ))Id3I! y! 367! ,! Id3M*! y! 6/13076647! .! 1/:69*01/1418 Id4! >! ))Id4I! y! 367! ,! Id4M*! y! 6/13076647! .! 1/:69*01/1418 Fss2! >! Id2! .! Is2 Fss3! >! Id3! .! Is3 Fss4! >! Id4! .! Is4 C! >! \)Is33 .! Is23*! y! )Fss4! .! Fss2*! ,! Is43 y! )Fss2! .! Fss3*! ,! Is23 y! )Fss3! .! Fss2*^0\)Is33 .! Is23*! y! )Is4! .! Is2*! , )Is43 .! Is23*! y! )Is2! .! Is3*^ B! >! \Fss3! .! Fss2! ,! C! y! )Is2! .! Is3*^0)Is33 .! Is23* D! >! Fss2! .! B! y! Is23 .! C! y! Is2 ݛᒾ3ǖᒊቲ Id! >! ))IdI! y! 367! ,! IdM*! y! 6/13076647! .! 1/:69*01/1418 )࠭औᒜᓞધ߅&SI* Idpss! >! Id! .! )B! y! Id3 )ဣଔቅᓰ* ,! C! y! Id! ,! D* ``````````````````````````````````````````````````````````````````` ၫᔊဘࣞቅᓰಿ CONVERTED DATA FROM CALIBRATION MEMORY Hr1 = 20%RH Hr2 = 60%RH Hr3 = 90%RH Hc1 = 17.65%RH Hc2 = 56.41%RH Hc3 = 89.57%RH RESULTING CORRECTION COEFFICIENTS B = -0.186810 A = 0.001948%RH C = 0.607143%RH ERROR VALUES Err1 = -2.35%RH Err2 = -3.59%RH Err3 = -0.43%RH APPLICATION OF CORRECTION COEFFICIENTS TO SAMPLE READING Hc = 8.9%RH Hcorr = 9.8%RH ᓖǖྟୈቅᓰኊገݧॳ࢛ᏥႯ)35ᆡৎࣶ*ă࠭ಢᆀᐶୣܠބፉᒦభጲࡻࡵး᎖ᆈ఼ᒜࡼଐႯၫెă 52 ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ࣪ဘࣞᒋቲྟୈቅᓰࡼၫ࣒ဵᏴ36°Dᄟୈሆࡻࡼă ᎅ᎖ᆸඣᒀࡸဘࣞࠅঢࡼᆨࣞᄂቶLjፐࠥჲྦቲဘ ࣞᓞધဟࡼᆨࣞጯᒀLjభጲቅᓰᆨࣞሆࡼဘࣞᒋLj ፐࠥLjᆐࡻᔢறࣞࡼဘࣞᒋLj።ᄴဟഺᆨࣞਜ਼ဘ ࣞၫă NAME ᆨࣞޡݗါྙሆǖ HTcorr = (Hcorr x K + α x (T - 25°C) - β x (T - 25°C)2)/(K + γ x (T - 25°C) - δ x (T - 25°C)2) ྙ༄ჅၤǖIdpssဵᄰਭྟୈቅᓰႯजࡻࡵࡼဘࣞᒋLjሆ ܭᒦ೫ݬၫࡼถਜ਼ݬၫᒋă FUNCTION VALUE T Temperature at the time of humidity conversion. (in °C) K Humidity sensor conversion constant. 0.0307 Linear compensation, enumerator. 0.0035/°C Quadratic compensation, enumerator. 0.000043/°C2 Linear compensation, denominator. >15°C: 0.00001/°C 15°C: -0.00005/°C Quadratic compensation, denominator. 0.000002/°C2 `````````````````````````````````````````````````````````````````` ၫᔊSIᆨࣞޡݗಿ SAMPLE INPUT DATA T = 70°C Hcorr = 24.445%RH APPLICATION OF CORRECTION COEFFICIENTS TO SAMPLE READING = 0.00001/°C HTcorr = (24.445 x 0.0307 + 0.0035 x 45 - 0.000043 x 452)/(0.0307 + 0.00001 x 45 - 0.000002 x 452) HTcorr = 30.291% ``````````````````````` ྟୈۥਜ਼ລጤޡݗ ྙਫୈޠဟମ۩ഴ᎖ဘࣞ୷ࡼણஹᒦLjྏቶဘࣞ ࠅঢჅࡼࡵૹݧဘࣞᒋ્܈ဣଔᒋࡍăࡩᅪஏဘࣞᆐ 81&SIৎဟLjET2:34ࡼဘࣞࠅঢჅࡼࡵૹݧဘࣞ ᒋ܈ဣଔᒋ೫Lj݀༦ࡩୈဪᒫࠀ᎖ဘࣞࡍ᎖ࢀ᎖ 81&SIࡼણஹᒦဟLjᑚጙဘࣞລጤથߒኚᐐଝăᑚᒬ ሚሷۥਜ਼ລጤLjᎌဟጐᔪᒣૄLj݀༦ဵభภࡼăࡩ ET2:34ಭఎဘࣞ୷ࡼણஹဟLjࠅঢࣗၫૂআᑵޟă ಽጲሆါLjభ࣪ᆨࣞਜ਼ဘࣞၫቲઁ໐ࠀಯLjభ ถۥޡݗਜ਼ລጤჅࡼࡍࣶၫᇙތLjকါဵᏴဣዩ ਜ਼ཎሣผଆၣࡼࡻ߲ࡼă N 0 . 0156 × ARH × 2 . 54 − 0. 3502 × k k HScorr = HTcorr − ∑ k =1 1 + ( Tk − 25 ) / 100 BSIl ୈ۩ഴᏴဘࣞࡍ᎖ࢀ᎖81&SIણஹᒦlৈ ቃဟઁLjဘࣞᒋளྟୈቅᓰਜ਼ᆨࣞࡼઁޡݗຳ ᒋă Ul ୈ۩ഴᏴဘࣞࡍ᎖ࢀ᎖81&SIણஹᒦlৈ ቃဟઁLjᆨࣞᒋளྟୈቅᓰઁࡼຳᒋă O ୈೌኚ۩ഴᏴ81&SIৎဘࣞሆࡼቃဟၫă IUdpss! OৈቃဟઁLj࣪ဘࣞᒋቲྟୈቅᓰਜ਼ᆨࣞ ࡼઁޡݗဘࣞࣗၫLjሮᇼดྏ༿ݬఠဘࣞࡼྟ ୈቅᓰႯजਜ਼ SIᆨࣞޡݗă ါᒦࡼၫဵ࠭ཎሣผᒦࡻ߲ࡼăඣး᎖ဟମ ᆡᆐቃဟࡼ።ă ______________________________________________________________________________________ www.BDTIC.com/maxim 53 ET2:34 ```````````````````````````` SIᆨࣞޡݗ ``````````````````````````````````````````````````````````````` ၫᔊۥਜ਼ລጤޡݗಿ SAMPLE INPUT DATA (N = 8) APPLICATION OF CORRECTION ALGORITHM k (HOUR) Tk (°C) ARHk (%RH) 1 25.1 91.1 1.024321 2 25.0 92.5 0.751140 3 24.9 92.9 0.544824 4 25.0 93.1 0.393535 5 25.1 93.2 0.283950 6 25.1 93.3 0.205086 7 25.0 93.6 0.148591 8 24.9 93.7 0.107428 PARTIAL CORRECTIONS (INDIVIDUAL ADDENDS) HTcorr = 93.70207%RH Sum of partial corrections: 3.458875 ࡼހ၂၀ᒦၫቃဟઁࡼࡻހăྦୈᒙ᎖ဘࣞ୷ࡼ ણஹᒦLjဟମᏗޠLjᐌລጤ્ჁLjቅᓰႯज࣪ ঈᑚᒬລጤဵऻޟࡼăᎅ᎖ۥਜ਼ລጤჅޘညࡼᇙތ ሤࡩቃLjჅጲᏴ෭ቋ።ᒦܘገቲޡݗă ITdpss! >! IUdpss! .! ݝቅᓰᒄਜ਼ >! :4/81318&SI! .! 4/569986&SI ITdpss! >! :1/3542:&SI ၤဣಿᒦࡼၫဵୈᒙ᎖ᆨࣞᆐ36°DLjဘࣞᆐ:1&SI ``````````````````````````````````````````````````````````````````````````` ୭ᒙ 5.89mm BACK-SIDE BRANDING FRONT-SIDE BRANDING t o n ®. c 16.25mm ut A1 t o n ®. c om om ut iB 0.51mm iB ® 41 000000FBC52B grochr 17.35mm on ™ YY Hy W 1-Wire® Hygrochron™ WZ ZZ D S1923 F5 ET2:34 ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo IO GND ````````````````````````````````````````````````````````````````````````````` ॖᓤቧᇦ ྙኊᔢதࡼॖᓤᅪተቧᇦਜ਼ݚLj༿އኯ china.maxim-ic.com/packagesă 54 ॖᓤಢቯ ॖᓤܠ൩ ᆪܠ F5 iButton IB-6HB 21-0266 ______________________________________________________________________________________ www.BDTIC.com/maxim ࡒ9LCၫഺࡀࡼ Izhspdispoᆨࣞ0ဘࣞഺjCvuupo ኀࢿࠨၫ ኀࢿ྇໐ 0 8/04 ႁී ኀখ ᔢ߱۾ۈă — ᓾ೯ᒦĐࡒᎌऴၺށLjถဧࠅঢ၊ાĂᇁ২ĂၺĂᇁࡼ፬ሰđখᆐĐࡒᎌ ऴၺށLjถဧࠅঢ၊ાĂᇁ২Ăᇁࡼ፬ሰ݀భᏴ୷ࡼဟମดྜྷၺᒦ ࠀ᎖ၺዏᒮࡼણஹᒦđă 1 12/07 ࠭VMᄟਜ਼ڔཝဉීᒦ࿎߹ĐᑵᏴ༿đ ă 1, 4, 10 Ᏼ።ݝॊଝྜྷดྏǖᓖፀET2:34ࡼᔢ߱මॖࢀሤࡩ᎖JQ67ăޠဟମࡼછ ਜ਼ဧᄟୈభଢ଼ࢅමॖࡼᅲᑳቶLjፐࠥྙਫ۩ഴᏴጘᄏĂᇓሤ႒ࡼણ ஹ።LjᅎୀIzhspdispoڔᓤᏴጙৈऴઐᑎᒦቲۣઐ)dijob/nbyjn.jd/dpn0 BO5237*ăऴઐᓤᒙ݀ݙถ৫ۣᑺᏴᅲཝ༪ྜྷጘᄏࡼ༽ౚሆۣઐET2:34၊Ⴜડă 2 4/09 3 10/09 Ⴥᎌ ࠎቤෝۈၫᓾ೯ă ࿎߹೫ࢾ৪ቧᇦܭᒦࡼܪᓰୈቯă 1 Nbyjn ۱யࠀူێ ۱ய 9439ቧረ ᎆᑶܠ൩ 211194 ॅ࢟જǖ911!921!1421 ࢟જǖ121.7322 62:: ࠅᑞǖ121.7322 63:: Nbyjn࣪ݙNbyjnޘອጲᅪࡼྀੜ࢟വဧঌᐊLjጐݙᄋᓜಽభăNbyjnۣഔᏴྀੜဟମĂᎌྀੜᄰۨࡼ༄ᄋሆኀখޘອᓾ೯ਜ਼ਖৃࡼཚಽă Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ______________________ 55 © 2009 Maxim Integrated Products Nbyjn ဵ Nbyjn!Joufhsbufe!Qspevdut-!Jod/ ࡼᓖݿܪă www.BDTIC.com/maxim ET2:34 ```````````````````````````````````````````````````````````````````````````` ኀࢿ಼ဥ