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參數(shù)資料
| 型號(hào)： | DS18S20Z |
| 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, SURFACE MOUNT |
| 封裝： | SOP-8 |
| 文件頁數(shù)： | 11/23頁 |
| 文件大小： | 252K |
| 代理商： | DS18S20Z |
DS18S20
19 of 23
DS18S20 OPERATION EXAMPLE 3
In this example there is only one DS18S20 on the bus and it is using parasite power. The bus master
initiates a temperature conversion then reads the DS18S20 scratchpad and calculates a higher resolution
result using the data from the temperature, COUNT REMAIN and COUNT PER °C registers.
MASTER MODE
DATA (LSB FIRST)
COMMENTS
Tx
Reset
Master issues reset pulse.
Tx
Presence
DS18S20 responds with presence pulse.
Tx
CCh
Master issues Skip ROM command.
Tx
44h
Master issues Convert T command.
Tx
DQ line held high by
strong pullup
Master applies strong pullup to DQ for the duration of the
conversion (tCONV).
Tx
Reset
Master issues reset pulse.
Rx
Presence
DS18S20 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. The master also calculates the
TEMP_READ value and stores the contents of the COUNT
REMAIN and COUNT PER °C registers.
Tx
Reset
Master issues reset pulse.
Rx
Presence
DS18S20 responds with presence pulse.
—
CPU calculates extended resolution temperature using the
equation in the Operation—Measuring Temperature section.
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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 |
| DS18S20Z/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 |
| 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(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 |
| 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(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 |
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