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參數(shù)資料
| 型號： | DS18B20+PAR |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 16/19頁 |
| 文件大小： | 221K |
| 描述： | IC THERM MICROLAN PROG-RES TO-92 |
| 產(chǎn)品培訓(xùn)模塊： | 1-Wire Communications Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 500 |
| 功能： | 溫度計(jì)，恒溫計(jì) |
| 傳感器類型： | 內(nèi)部 |
| 感應(yīng)溫度： | -55°C ~ 100°C |
| 精確度： | ±2°C（最小值） |
| 拓?fù)洌?/td> | 寄存器庫，變簽式暫存器 |
| 輸出類型： | 1-Wire? |
| 輸出警報(bào)： | 是 |
| 輸出風(fēng)扇： | 無 |
| 電源電壓： | 3 V ~ 5.5 V |
| 工作溫度： | -55°C ~ 100°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | TO-226-3、TO-92-3 標(biāo)準(zhǔn)主體 |
| 供應(yīng)商設(shè)備封裝： | TO-92-3 |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1435 (CN2011-ZH PDF) |
DS18B20-PAR
16 of 19
MASTER MODE
DATA (LSB FIRST)
COMMENTS
RX
9 data bytes
Master reads entire scratchpad including CRC. The master
then recalculates the CRC of the first eight data bytes from the
scratchpad and compares the calculated CRC with the read
CRC (byte 9). If they match, the master continues; if not, the
read operation is repeated.
DS18B20-PAR OPERATION EXAMPLE 2
In this example there is only one DS18B20-PAR on the bus. The master writes to the T
H
, T
L
, and
configuration registers in the DS18B20-PAR scratchpad and then reads the scratchpad and recalculates
the CRC to verify the data. The master then copies the scratchpad contents to EEPROM.
MASTER MODE DATA (LSB FIRST)
COMMENTS
TX
Reset
Master issues reset pulse.
RX
Presence
DS18B20-PAR responds with presence pulse.
TX
CCh
Master issues Skip ROM command.
TX
4Eh
Master issues Write Scratchpad command.
TX
3 data bytes
Master sends three data bytes to scratchpad (T
H
, T
L
, and config).
TX
Reset
Master issues reset pulse.
RX
Presence
DS18B20-PAR responds with presence pulse.
TX
CCh
Master issues Skip ROM command.
TX
BEh
Master issues Read Scratchpad command.
RX
9 data bytes
Master reads entire scratchpad including CRC. The master then
recalculates the CRC of the first eight data bytes from the
scratchpad and compares the calculated CRC with the read CRC
(byte 9). If they match, the master continues; if not, the read
operation is repeated.
TX
Reset
Master issues reset pulse.
RX
Presence
DS18B20-PAR responds with presence pulse.
TX
CCh
Master issues Skip ROM command.
TX
48h
Master issues Copy Scratchpad command.
TX
DQ line held high by
strong pullup
Master applies strong pullup to DQ for at least 10 ms while copy
operation is in progress.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS18B20-PAR/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 |
| DS18B20-PAR_07 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:1-Wire Parasite-Power Digital Thermometer |
| DS18B20-PAR+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 PROG-RES TO-92 制造商:Maxim Integrated Products 功能描述:Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr |
| DS18B20-PAR+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(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 |
| DS18B20-SL | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Programmable Resolution 1-Wire Digital Thermometer |
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