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STTS751-0DP3F датащи(PDF) 11 Page - STMicroelectronics

номер детали STTS751-0DP3F
подробное описание детали  2.25 V low-voltage local digital temperature sensor
PDF  36 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STTS751-0DP3F датащи(HTML) 11 Page - STMicroelectronics

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STTS751
SMBus interface
Doc ID 16483 Rev 5
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3.2
WRITE byte
The WRITE byte protocol is used to write one byte of data to the registers as shown in
Table 4. The gray data is sent by the STTS751 while the white data is sent by the host.
3.3
READ byte
The READ byte protocol is used to read one byte of data from the registers as shown in
Table 5.
3.4
SEND byte
The SEND byte protocol is used to set the internal address register to the correct address. It
sends a register address with no data (see Table 6). The SEND byte can be followed by the
RECEIVE byte protocol described below in order to read data from the register.
3.5
RECEIVE byte
The RECEIVE byte protocol is used to read data from the register when the internal register
address pointer is known (see Table 7). This can be used for consecutive reads of the same
register.
Table 4.
SMBus WRITE byte protocol
Start
Slave address
WR
ACK
Register
address
ACK
Data
ACK
Stop
1 bit
7 bits
1 bit
1 bit
8 bits
1 bit
8 bits
1 bit
1 bit
Table 5.
SMBus READ byte protocol
Start
Slave address
WR
ACK
Register
address
ACK
Start
Slave address
RD
ACK
Data
NACK Stop
1 bit
7 bits
1 bit
1 bit
8 bits
1 bit
1 bit
7 bits
1 bit
1 bit
8 bits
1 bit
1 bit
Table 6.
SMBus SEND byte protocol
Start
Slave address
WR
ACK
Register address
ACK
Stop
1 bit
7 bits
1 bit
1 bit
8 bits
1 bit
1 bit
Table 7.
SMBus RECEIVE byte protocol
Start
Slave address
RD
ACK
Data
NACK
Stop
1 bit
7 bits
1 bit
1 bit
8 bits
1 bit
1 bit



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