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TDA7431 Datasheet(PDF) 10 Page - STMicroelectronics

Part # TDA7431
Description  DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX AND VOICE CANCELLER
PDF  23 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7431 Datasheet(HTML) 10 Page - STMicroelectronics

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TDA7430 - TDA7431
10/23
Figure 8. Data validity on the I2C bus
Figure 9. Timing Diagram of I2C bus
Figure 10. Acknowledge on the I2C bus
4
SOFTWARE SPECIFICATION
4.1 Interface Protocol
The interface protocol comprises:
■
A start condition (S)
■
A chip address byte, containing the TDA7430/TDA7431 address
■
A subaddress bytes
■
A sequence of data (N byte + achnowledge)
■
A stop condition (P)
Figure 11.
SDA
SCL
DATA LINE
STABLE, DATA
VALID
CHANGE
DATA
ALLOWED
D99AU1031
SCL
SDA
START
I2CBUS
STOP
D99AU1032
SCL
1
MSB
23789
SDA
START
ACKNOWLEDGMENT
FROM RECEIVER
D99AU1033
S
1
0
0
0
0
0
A
0
ACK
ACK
DATA
ACK
P
MSB
LSB
MSB
LSB
MSB
LSB
CHIP ADDRESS
D95AU226A
B
DATA
SUBADDRESS
DATA 1 to DATA n



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