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參數(shù)資料
| 型號： | DS1721U |
| 元件分類： | 溫度傳感器 |
| 英文描述： | Digital Thermometer |
| 中文描述： | 數(shù)字溫度計 |
| 文件頁數(shù)： | 13/16頁 |
| 文件大小： | 263K |
| 代理商： | DS1721U |
DS1721
13 of 16
SAMPLE COMMAND SEQUENCE
Table 6
Example: Bus master programs the DS1721 for 11-bit conversions in the continuous mode with an active
low state for the thermostat output. It then programs TH=50°C and TL=45°C and starts temperature
conversions.
BUS MASTER
MODE
MODE
FIRST)
TX
RX
START
Bus Master initiates a START condition
TX
RX
<address, 0>
Bus Master sends DS1721 address; R/
W
= 0
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
ACh
Bus Master sends access configuration protocol
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
08h
Bus Master programs configuration register as
described above. This will also clear thermostat
flags
RX
TX
ACK
DS1721 generates acknowledge bit
DS1721
DATA (MSB
COMMENTS
TX
RX
START
Bus Master Initiates a REPEATED START
condition
Bus Master sends DS1721 address; R/
W
= 0
DS1721 generates acknowledge bit
Bus Master sends access TH protocol
DS1721 generates acknowledge bit
Bus Master writes MSB of TH (50°C)
DS1721 generates acknowledge bit
Bus Master writes LSB of TH (50°C)
DS1721 generates acknowledge bit
TX
RX
TX
RX
TX
RX
TX
RX
RX
TX
RX
TX
RX
TX
RX
TX
<address, 0>
ACK
A1h
ACK
32h
ACK
00h
ACK
TX
RX
START
Bus Master initiates a REPEATED START
condition
Bus Master sends DS1721 address; R/
W
= 0
DS1721 generates acknowledge bit
Bus Master sends access TL protocol
DS1721 generates acknowledge bit
Bus Master writes MSB of TL (45°C)
DS1721 generates acknowledge bit
Bus Master writes LSB of TL (45°C)
DS1721 generates acknowledge bit
TX
RX
TX
RX
TX
RX
TX
RX
RX
TX
RX
TX
RX
TX
RX
TX
<address, 0>
ACK
A2h
ACK
2Dh
ACK
00h
ACK
TX
RX
START
Bus Master initiates a REPEATED START
condition
Bus Master sends DS1721 address; R/
W
= 0
DS1721 generates acknowledge bit
Bus Master sends start convert protocol
DS1721 generates acknowledge bit
Bus Master initiates STOP condition
TX
RX
TX
RX
TX
RX
TX
RX
TX
RX
<address, 0>
ACK
51h
ACK
STOP
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| DS1721 | 2-Wire Digital Thermometer and Thermostat |
| DS1722S | IC-SM-DIGITAL THERMOMETER |
| DS1722 | Digital Thermometer with SPI/3-Wire Interface |
| DS1730Y-150 | NVRAM (Battery Based) |
| DS1730Y-150-IND | NVRAM (Battery Based) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS1721U/T&R | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 2-WIRE 8USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER/STAT DIG HP 8USOP |
| DS1721U/T&R+W | 制造商:Maxim Integrated Products 功能描述:DIGITAL THERMOMETER AND THERMOSTAT - Tape and Reel 制造商:Maxim Integrated Products 功能描述:Board Mount Temperature Sensors Digital Thermometer & Thermostat |
| DS1721U/T&R | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| DS1721U/T&R+W | 功能描述:板上安裝溫度傳感器 Digital Thermometer & Thermostat RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| DS1721U/T,R | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:2-Wire Digital Thermometer and Thermostat |
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