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參數(shù)資料
| 型號(hào)： | ADT7461ARM-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | 【1∑C Temperature Monitor with Series Resistance Cancellation |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | MO-187-AA, MSOP-8 |
| 文件頁(yè)數(shù)： | 15/24頁(yè) |
| 文件大?。?/td> | 854K |
| 代理商： | ADT7461ARM-REEL7 |
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ADT7461
serial bus in a single read or write operation is limited only
by what the master and slave devices can handle.
3.
When all data bytes have been read or written, stop condi-
tions are established. In write mode, the master will pull the
data line high during the tenth clock pulse to assert a STOP
condition. In read mode, the master device will override
the acknowledge bit by pulling the data line high during
the low period before the ninth clock pulse. This is known
as No Acknowledge. The master will then take the data line
low during the low period before the tenth clock pulse,
then high during the tenth clock pulse to assert a STOP
condition.
Any number of bytes of data may be transferred over the serial
bus in one operation, but it is not possible to mix read and write
in one operation because the type of operation is determined at
the beginning and cannot subsequently be changed without
starting a new operation. In the case of the ADT7461, write
operations contain either one or two bytes, while read opera-
tions contain one byte.
To write data to one of the device data registers or to read
data from it, the address pointer register must be set so that the
correct data register is addressed. The first byte of a write opera-
tion always contains a valid address that is stored in the address
pointer register. If data is to be written to the device, the write
operation contains a second data byte that is written to the
register selected by the address pointer register.
This is illustrated in
the bus followed by R/W set to 0. This is followed by two data
bytes. The first data byte is the address of the internal data
register to be written to, which is stored in the address pointer
register. The second data byte is the data to be written to the
internal data register.
. The device address is sent over
Figure 15
Figure 15. Writing a Register Address to the Address Pointer Register, then Writing Data to the Selected Register
0
A6
1
9
1
A5
A4
A3
A2
A1
A0
R/W
D7
D6
D5
D4
D3
D2
D1
D0
SCLK
SDAT
9
A
START BY
MASTER
ACK. BY
ADT7461
FRAME 1
SERIAL BUS ADDRESS BYTE
FRAME 2
ADDRESS POINTER REGISTER BYTE
FRAME 3
DATA BYTE
SCLK (CONTINUED)
SDATA (CONTINUED)
ACK. BY
ADT7461
ACK. BY
ADT7461
STOP BY
MASTER
9
1
D7
D6
D5
D4
D3
D2
D1
D0
0
SCLK
SDATA
START BY
MASTER
ACK. BY
ADT7461
ACK. BY
ADT7461
STOP BY
MASTER
FRAME 1
SERIAL BUS ADDRESS BYTE
FRAME 2
ADDRESS POINTER REGISTER BYTE
1
9
1
A6
A5
A4
A3
A2
A1
A0
R/W
D7
D6
D5
D4
D3
D2
D1
D0
9
Figure 16. Writing to the Address Pointer Register Only
0
SCLK
SDATA
START BY
MASTER
ACK. BY
ADT7461
FRAME 1
SERIAL BUS ADDRESS BYTE
FRAME 2
DATA BYTE FROM ADT7461
ACK. BY
ADT7461
STOP BY
MASTER
1
9
1
9
A6
A5
A4
A3
A2
A1
A0
R/W
D7
D6
D5
D4
D3
D2
D1
D0
Figure 17. Reading from a Previously Selected Register
Rev. 0 | Page 15 of 24
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| ADT7461ARMZ | 功能描述:板上安裝溫度傳感器 EXT TMP RGE IC 1C TDM SRC 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 |
| ADT7461ARMZ | 制造商:ON Semiconductor 功能描述:Temperature Sensor IC |
| ADT7461ARMZ-002 | 功能描述:板上安裝溫度傳感器 EXT TMP RGE IC 1C TDM SRC 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 |
| ADT7461ARMZ-2 | 功能描述:IC SENSOR TEMP DGTL 2CH 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類型:內(nèi)部和外部 感應(yīng)溫度:-40°C ~ 125°C，外部傳感器 精確度:±2.5°C 本地（最大值），±5°C 遠(yuǎn)程（最大值） 拓?fù)?ADC，比較器，寄存器庫(kù) 輸出類型:2 線 SMBus? 輸出警報(bào):無(wú) 輸出風(fēng)扇:無(wú) 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-8 供應(yīng)商設(shè)備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱:296-22675-6 |
| ADT7461ARMZ-2R | 功能描述:板上安裝溫度傳感器 EXT TMP RGE IC 1C TDM SRC 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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