參數(shù)資料
型號(hào): DS1822
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Switch/Digital Output Temperature Sensor
英文描述: DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, THROUGH HOLE MOUNT
封裝: TO92-3
文件頁數(shù): 6/21頁
文件大?。?/td> 222K
代理商: DS1822
DS1822
14 of 21
DS1822 FUNCTION COMMANDS FLOW CHART Figure 12
MASTER TX
FUNCTION
COMMAND
Y
N
44h
CONVERT
TEMPERATURE
?
PARASITE
POWER
?
N
Y
DS1822 BEGINS
CONVERSION
DEVICE
CONVERTING
TEMPERATURE
?
N
Y
MASTER
RX “0s”
MASTER
RX “1s”
MASTER ENABLES
STRONG PULLUP ON DQ
DS1822 CONVERTS
TEMPERATURE
MASTER DISABLES
STRONG PULLUP
Y
N
48h
COPY
SCRATCHPAD
?
PARASITE
POWER
?
N
Y
MASTER ENABLES
STRONG PULL-UP ON DQ
DATA COPIED FROM
SCRATCHPAD TO EEPROM
MASTER DISABLES
STRONG PULLUP
MASTER
RX “0s”
COPY IN
PROGRESS
?
Y
MASTER
RX “1s”
N
RETURN TO INITIALIZATION
SEQUENCE (FIGURE 11) FOR
NEXT TRANSACTION
B4h
READ
POWER SUPPLY
?
Y
N
PARASITE
POWERED
?
N
MASTER
RX “1s”
MASTER
RX “0s”
Y
MASTER TX TH BYTE
TO SCRATCHPAD
Y
N
4Eh
WRITE
SCRATCHPAD
?
MASTER TX TL BYTE
TO SCRATCHPAD
MASTER TX CONFIG. BYTE
TO SCRATCHPAD
Y
N
Y
BEh
READ
SCRATCHPAD
?
HAVE 8 BYTES
BEEN READ
?
N
MASTER
TX RESET
?
MASTER RX DATA BYTE
FROM SCRATCHPAD
N
Y
MASTER RX SCRATCHPAD
CRC BYTE
MASTER
RX “1s”
Y
N
B8h
RECALL E
2
?
MASTER BEGINS DATA
RECALL FROM E
2 PROM
DEVICE
BUSY RECALLING
DATA
?
N
Y
MASTER
RX “0s”
相關(guān)PDF資料
PDF描述
DS1822+T&R DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, THROUGH HOLE MOUNT
DS1822Z DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT
DS18B20-PAR/T&R DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 0.50Cel, ROUND, THROUGH HOLE MOUNT
DS18B20-PAR DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 0.50Cel, ROUND, THROUGH HOLE MOUNT
DS18B20P DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 0.50Cel, RECTANGULAR, SURFACE MOUNT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1822/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(zhǔn)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
DS1822+ 功能描述:板上安裝溫度傳感器 1-Wire Digital Thermometer RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
DS1822+PAR 功能描述:板上安裝溫度傳感器 1-Wire Digital Thermometer RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
DS1822+T 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Econo 1-Wire Digital Thermometer
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