參數(shù)資料
型號(hào): DS18B20P
廠商: DALLAS SEMICONDUCTOR
元件分類: Switch/Digital Output Temperature Sensor
英文描述: DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 0.50Cel, RECTANGULAR, SURFACE MOUNT
封裝: TSOC-6
文件頁(yè)數(shù): 10/26頁(yè)
文件大小: 387K
代理商: DS18B20P
DS18B20
18 of 26
INITIALIZATION PROCEDURE “RESET AND PRESENCE PULSES” Figure 11
DS18B20 COMMAND SET Table 4
INSTRUCTION
DESCRIPTION
PROTOCOL
1-WIRE BUS
AFTER ISSUING
PROTOCOL
NOTES
TEMPERATURE CONVERSION COMMANDS
Convert T
Initiates temperature
conversion.
44h
<read temperature busy
status>
1
MEMORY COMMANDS
Read Scratchpad
Reads bytes from
scratchpad and reads
CRC byte.
BEh
<read data up to 9 bytes>
Write Scratchpad
Writes bytes into
scratchpad at addresses 2
through 4 (TH and TL
temperature triggers and
config).
4Eh
<write data into 3 bytes
at addr. 2 through. 4>
3
Copy Scratchpad
Copies scratchpad into
nonvolatile memory
(addresses 2 through 4
only).
48h
<read copy status>
2
Recall E
2
Recalls values stored in
nonvolatile memory into
scratchpad (temperature
triggers).
B8h
<read temperature busy
status>
Read Power Supply
Signals the mode of
DS18B20 power supply
to the master.
B4h
<read supply status>
相關(guān)PDF資料
PDF描述
DS18B20X DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT
DS18B20Z DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 0.50Cel, RECTANGULAR, SURFACE MOUNT
DS18B20 DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 0.50Cel, RECTANGULAR, THROUGH HOLE MOUNT
DS18B20U+T&R DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 0.50Cel, SQUARE, SURFACE MOUNT
DS18B20-SL+T&R DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 0.50Cel, RECTANGULAR, THROUGH HOLE MOUNT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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