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STA381BW View Datasheet(PDF) - STMicroelectronics

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STA381BW Datasheet PDF : 174 Pages
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I2C bus specification
STA381BW
5.4.5
Write mode sequence
BYTE
WRITE
START
MULTIBYTE
WRITE
START
DEV-ADDR
DEV-ADDR
Figure 16. Write mode sequence
ACK
SUB-ADDR
ACK
DATA IN
ACK
RW
STOP
ACK
SUB-ADDR
ACK
DATA IN
ACK
RW
DATA IN
ACK
STOP
5.4.6
Read mode sequence
Figure 17. Read mode sequence
CURRENT
ADDRESS
READ
START
RANDOM
ADDRESS
READ
START
SEQUENTIAL
CURRENT
READ
START
SEQUENTIAL
RANDOM
READ
START
ACK
DEV-ADDR
DEV-ADDR
RW
ACK
DEV-ADDR
RW
RW= ACK
HIGH
DEV-ADDR
ACK
RW
DATA
SUB-ADDR
DATA
NO ACK
STOP
ACK
DEV-ADDR
START
ACK
DATA
ACK
RW
ACK
SUB-ADDR
ACK
START
DEV-ADDR
ACK
RW
DATA
DATA
DATA
NO ACK
STOP
NO ACK
ACK
STOP
DATA
ACK
DATA
NO ACK
STOP
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DocID018835 Rev 8
 

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