參數(shù)資料
型號: DS18S20Z
元件分類: 溫度傳感器
英文描述: High Precision 1-Wire Digital Thermometer
中文描述: 高精度1 - Wire數(shù)字溫度計
文件頁數(shù): 17/27頁
文件大?。?/td> 136K
代理商: DS18S20Z
DS18S20
17 of 27
INITIALIZATION PROCEDURE “RESET AND PRESENCE PULSES”
Figure 10
DS18S20 COMMAND SET
Table 2
INSTRUCTION
DESCRIPTION
TEMPERATURE CONVERSION COMMANDS
Initiates temperature
conversion.
MEMORY COMMANDS
Reads bytes from
scratchpad and reads
CRC byte.
Writes bytes into
scratchpad at addresses 2
and 3 (TH and TL
temperature triggers).
Copies scratchpad into
nonvolatile memory
(addresses 2 and 3 only).
Recalls values stored in
nonvolatile memory into
scratchpad (temperature
triggers).
Signals the mode of
DS18S20 power supply
to the master.
PROTOCOL
1-WIRE BUS
AFTER ISSUING
PROTOCOL
NOTES
Convert T
44h
<read temperature busy
status>
1
Read Scratchpad
BEh
<read data up to 9 bytes>
Write Scratchpad
4Eh
<write data into 2 bytes
at addr. 2 and addr 3>
Copy Scratchpad
48h
<read copy status>
2
Recall E
2
B8h
<read temperature busy
status>
Read Power Supply
B4h
<read supply status>
LINE TYPE LEGEND
Bus master active low
DS18S20 active low
Both bus master and
DS18S20 active low
Resistor pull-up
Master T
X
"reset pulse"
480
μ
s minmum
960
μ
s maximum
Master R
X
480
μ
s minmum
DS18S20 TX
waits
15-60
μ
s
DS18S20 TX
"presence Pulse"
60-240
μ
s
V
CC
GND
1-WIRE
BUS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS18S20Z/T&R 制造商:Maxim Integrated Products 功能描述:HI PREC MICROLAN DIG THERM 8-SO T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERM MICROLAN HI-PREC 8-SOIC
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DS18S20Z+ 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
DS18S20Z+T&R 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 1-WIRE 8SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:HI PREC MICROLAN DIG THERM 8-SO T&R 制造商:Maxim Integrated Products 功能描述:IC THERM MICROLAN HI-PREC 8SOIC 制造商:Maxim Integrated Products 功能描述:IC THERM MICROLAN HI-PREC 8-SOIC 制造商:Maxim Integrated Products 功能描述:Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr
DS18S20Z+T&R 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