參數(shù)資料
型號: DS1621S
廠商: DALLAS SEMICONDUCTOR
元件分類: Switch/Digital Output Temperature Sensor
英文描述: DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), RECTANGULAR, SURFACE MOUNT
封裝: 0.150 INCH, SO-8
文件頁數(shù): 4/16頁
文件大?。?/td> 647K
代理商: DS1621S
DS1621
12 of 16
102299
MEMORY FUNCTION EXAMPLE
Example: Bus master sets up DS1621 for continuous conversion and thermostatic function.
BUS MASTER
MODE
DS1621
MODE
DATA (MSB
FIRST)
COMMENTS
TX
RX
START
Bus Master initiates a START condition.
TX
RX
<address,0>
Bus Master sends DS1621 address; R/ W = 0.
RX
TX
ACK
DS1621 generates acknowledge bit.
TX
RX
ACh
Bus Master sends Access Config command protocol.
RX
TX
ACK
DS1621 generates acknowledge bit.
TX
RX
02h
Bus Master sets up DS1621 for output polarity active
high, continuous conversion.
RX
TX
ACK
DS1621 generates acknowledge bit.
TX
RX
START
Bus Master generates a repeated START condition.
TX
RX
<address,0>
Bus Master sends DS1621 address; R/ W = 0.
RX
TX
ACK
DS1621 generates acknowledge bit.
TX
RX
A1h
Bus Master sends Access TH command.
RX
TX
ACK
DS1621 generates acknowledge bit.
TX
RX
28h
Bus Master sends first byte of data for TH limit of
+40°C.
RX
TX
ACK
DS1621 generates acknowledge bit.
TX
RX
00h
Bus Master sends second byte of data for TH limit of
+40°C.
RX
TX
ACK
DS1621 generates acknowledge bit.
TX
RX
START
Bus Master generates a repeated START condition.
TX
RX
<address,0>
Bus Master sends DS1621 address; R/ W = 0.
RX
TX
ACK
DS1621 generates acknowledge bit.
TX
RX
A2h
Bus Master sends Access TL command.
RX
TX
ACK
DS1621 generates acknowledge bit.
TX
RX
0Ah
Bus Master sends first byte of data for TL limit of
+10°C.
RX
TX
ACK
DS1621 generates acknowledge bit.
TX
RX
00h
Bus Master sends second byte of data for TL limit of
+10°C.
RX
TX
ACK
DS1621 generates acknowledge bit.
TX
RX
START
Bus Master generates a repeated START condition.
TX
RX
<address,0>
Bus Master sends DS1621 address; R/ W = 0.
RX
TX
ACK
DS1621 generates acknowledge bit.
TX
RX
EEh
Bus Master sends Start Convert T command protocol.
RX
TX
ACK
DS1621 generates acknowledge bit.
TX
RX
STOP
Bus Master initiates STOP condition.
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PDF描述
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相關代理商/技術參數(shù)
參數(shù)描述
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DS1621S+ 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