參數(shù)資料
型號: DS18S20
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Switch/Digital Output Temperature Sensor
英文描述: DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), 0.50Cel, RECTANGULAR, THROUGH HOLE MOUNT
封裝: TO-92, 3 PIN
文件頁數(shù): 9/23頁
文件大?。?/td> 252K
代理商: DS18S20
DS18S20
17 of 23
Figure 15. DS18S20 Function Commands Flowchart
MASTER TX
FUNCTION
COMMAND
Y
N
44h
CONVERT
TEMPERATURE
?
PARASITE
POWER
?
N
Y
DS18S20 BEGINS
CONVERSION
DEVICE
CONVERTING
TEMPERATURE
?
N
Y
MASTER
RX “0s”
MASTER
RX “1s”
MASTER ENABLES
STRONG PULLUP ON DQ
DS18S20 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 14) 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
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
DS18S20-SL+T&R DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), 0.50Cel, RECTANGULAR, THROUGH HOLE MOUNT
DS18S20Z/T&R DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), 0.50Cel, RECTANGULAR, SURFACE MOUNT
DS1963L-F5 SPECIALTY MEMORY CIRCUIT, MEDB2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS18S20/T&R 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC THERM MICROLAN HI PREC TO-92
DS18S20/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
DS18S20+ 功能描述:板上安裝溫度傳感器 Prgmble Resolution 1-Wire Parasite Pwr 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
DS18S20+PAR 功能描述:板上安裝溫度傳感器 Prgmble Resolution 1-Wire Parasite Pwr 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
DS18S20+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 1-WIRE 3PIN TO-92 - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERM MICROLAN HI-PREC TO-92 制造商:Maxim Integrated Products 功能描述:Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr