DS1721
 
 
 
12 of 17
SAMPLE COMMAND SEQUENCE Table 5
Example: After power-up, initiates a temperature conversion, bus master reads temperature
BUS MASTER
MODE
DS1721
MODE
DATA (MSB
FIRST)
COMMENTS
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
51h
Bus Master sends start convert T protocol
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
START
Bus Master initiates a repeated START condition
TX
RX
<address, 0>
Bus Master sends DS1721 address; R/
W  = 0 
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
AAh
Bus Master sends read temperature protocol
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
START
Bus Master initiates a repeated START condition
TX
RX
<address, 1>
Bus Master sends DS1721 address; R/
W  =1 
RX
TX
ACK
DS1721 generates acknowledge bit
RX
TX
<1 data byte>    DS1721 transmits MSB of temperature
TX
RX
ACK
Bus Master generates acknowledge bit
RX
TX
<1 data byte>    DS1721 transmits LSB of temperature
 
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相关代理商/技术参数
DS1721U-T,R 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:2-Wire Digital Thermometer and Thermostat
DS1722 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Digital Thermometer with SPI/3-Wire Interface
DS1722S 功能描述:板上安装温度传感器 Digital Thermometer & Thermostat RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor
DS1722S/T&R 制造商:Maxim Integrated Products 功能描述:SPI 3-WIRE THERMOMETER SOIC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER DIG 3-WIRE 8-SOIC
DS1722S/T&R 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor
DS1722S+ 功能描述:板上安装温度传感器 Digital Thermometer & Thermostat RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor
DS1722S+T&R 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 3-WIRE/SPI 8SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER DIG 3-WIRE 8-SOIC
DS1722S+T&R 功能描述:板上安装温度传感器 Digital Thermometer & Thermostat RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor