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參數(shù)資料
| 型號(hào)： | ADT7411 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 圓形連接器 |
| 英文描述： | SPI/I2C compatible，10-bit digital temperature sensor and 8-channel ADC |
| 中文描述： | SPI/I2C兼容，10位數(shù)字溫度傳感器和8通道ADC |
| 文件頁數(shù)： | 29/36頁 |
| 文件大?。?/td> | 456K |
| 代理商： | ADT7411 |
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ADT7411
Rev. A | Page 29 of 36
The I
2
C address set up by the ADD pin is not latched by
the device until after this address has been sent twice. On
the eighth SCL cycle of the second valid communication,
the serial bus address is latched in. This is the SCL cycle
directly after the device has seen its own I
2
C serial bus
address. Any subsequent changes on this pin will have no
effect on the I
2
C serial bus address.
Writing to the ADT7411
Depending on the register being written to, there are two dif-
ferent writes for the ADT7411. It is not possible to do a block
write to this part, i.e., no I
2
C auto-increment.
Writing to the Address Pointer Register for a Subsequent
Read
In order to read data from a particular register, the address
pointer register must contain the address of that register. If it
does not, the correct address must be written to the address
pointer register by performing a single-byte write operation, as
shown in Figure 34. The write operation consists of the serial
bus address followed by the address pointer byte. No data is
written to any of the data registers. A read operation is then
performed to read the register.
Writing Data to a Register
All registers are 8-bit registers so only one byte of data can be
written to each register. Writing a single byte of data to one of
these read/write registers consists of the serial bus address, the
data register address written to the address pointer register,
followed by the data byte written to the selected data register.
This is illustrated in Figure 35. To write to a different register,
another START or repeated START is required. If more than
one byte of data is sent in one communication operation, the
addressed register will be repeatedly loaded until the last data
byte has been sent.
Reading Data From the ADT7411
Reading data from the ADT7411 is done in a one-byte
operation. Reading back the contents of a register is shown in
Figure 36. The register address had previously been set up by a
single-byte write operation to the Address Pointer register. To
read from another register, write to the Address Pointer register
again to set up the relevant register address. Thus, block reads
are not possible, i.e., no I
2
C auto-increment.
SPI Serial Interface
The SPI serial interface of the ADT7411 consists of four wires:
CS, SCLK, DIN, and DOUT. The CS is used to select the device
when more than one device is connected to the serial clock and
data lines. The CS is also used to distinguish between any two
separate serial communications (see Figure 41 for a graphical
explanation). The SCLK is used to clock data in and out of the
part. The DIN line is used to write to the registers, and the
DOUT line is used to read data back from the registers. The
recommended pull-up resistor value is between 500 and
820 .
0
A
B
CS
(START HIGH)
SPI LOCKED ON
THIRD RISING EDGE
C
SPI FRAMING
EDGE
A
B
CS
(START LOW)
SPI LOCKED ON
THIRD RISING EDGE
C
SPI FRAMING
EDGE
Figure 33. Serial Interface—Selecting and Locking SPI Protocol
0
0
1
1
0
0
R/W
SCL
SDA
FRAME 1
SERIAL BUS ADDRESS BYTE
FRAME 2
ADDRESS POINTER REGISTER BYTE
ACK. BY
ADT7411
ACK. BY
ADT7411
STOP BY
MASTER
START BY
MASTER
A2
A1
A
P7
P6
P5
P4
P3
P2
P1
P0
9
1
9
1
Figure 34. I
2
C—Writing to the Address Pointer Register to Select a Register for a Subsequent Read Operation
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADT7411ARQ | SPI/I2C Compatible, 10-Bit Digital Temperature Sensor and 8-Channel ADC |
| ADT7411ARQ-REEL | Circular Connector; No. of Contacts:26; Series:LJT07R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:17; Circular Contact Gender:Pin; Circular Shell Style:Jam Nut Receptacle; Insert Arrangement:17-26 |
| ADT7411ARQ-REEL7 | Circular Connector; No. of Contacts:55; Series:LJT07R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:17; Circular Contact Gender:Pin; Circular Shell Style:Jam Nut Receptacle; Insert Arrangement:17-35 |
| ADT7411ARQZ-REEL | Circular Connector; No. of Contacts:55; Series:LJT07R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:17; Circular Contact Gender:Pin; Circular Shell Style:Jam Nut Receptacle; Insert Arrangement:17-35 |
| ADT7411ARQZ-REEL7 | Circular Connector; No. of Contacts:55; Series:LJT07R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:17; Circular Contact Gender:Socket; Circular Shell Style:Jam Nut Receptacle; Insert Arrangement:17-35 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADT7411_06 | 制造商:AD 制造商全稱:Analog Devices 功能描述:SPI??-/I2C??-Compatible, 10-Bit Digital Temperature Sensor and 8-Channel ADC |
| ADT7411ARQ | 功能描述:IC DGTL TEMP SNSR 8CH ADC 16QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:SilentSense™ 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:-55°C ~ 125°C，外部傳感器 精確度:±2°C 本地（最大），±3°C 遠(yuǎn)程（最大） 拓?fù)?ADC（三角積分型），比較器，寄存器庫 輸出類型:I²C?/SMBus? 輸出警報(bào):是 輸出風(fēng)扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND |
| ADT7411ARQ-REEL | 功能描述:IC SENSOR TEMP 10BIT ADC 16QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:SilentSense™ 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:-55°C ~ 125°C，外部傳感器 精確度:±2°C 本地（最大），±3°C 遠(yuǎn)程（最大） 拓?fù)?ADC（三角積分型），比較器，寄存器庫 輸出類型:I²C?/SMBus? 輸出警報(bào):是 輸出風(fēng)扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND |
| ADT7411ARQ-REEL7 | 功能描述:IC SENSOR TEMP 10BIT ADC 16QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:SilentSense™ 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:-55°C ~ 125°C，外部傳感器 精確度:±2°C 本地（最大），±3°C 遠(yuǎn)程（最大） 拓?fù)?ADC（三角積分型），比較器，寄存器庫 輸出類型:I²C?/SMBus? 輸出警報(bào):是 輸出風(fēng)扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND |
| ADT7411ARQZ | 功能描述:IC DGTL TEMP SNSR 8CH ADC 16QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 功能:溫度開關(guān) 傳感器類型:內(nèi)部 感應(yīng)溫度:85°C 分界點(diǎn) 精確度:±6°C（最小值） 拓?fù)?ADC（三角積分型），比較器，寄存器庫 輸出類型:開路漏極 輸出警報(bào):是 輸出風(fēng)扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:ADT6501SRJZP085RL7-ND |
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