TDA7429 Datasheet, PDF (10/22 Pages) STMicroelectronics – DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX

TDA7429
Figure 8. Data validity on the I²C bus
SDA
SCL
DATA LINE
STABLE, DATA
VALID
Figure 9. Timing Diagram of I²C bus
CHANGE
DATA
ALLOWED
D99AU1031
SCL
I²CBUS
SDA
t(s) ^START
duc Figure 10. Acknowledge on the I²C bus
D99AU1032
Pro _SCL
1
2
3
7
olete SDA
Obs START
MSB
D99AU1033
t(s) ^{- 4 SOFTWARE SPECIFICATION}
duc ^{4.1 Interface Protocol}
ro ^{The interface protocol comprises:}
P ^{■ A start condition (S)}
te ^{■ A chip address byte, containing the TDA7429 address}
le ^{■ A subaddress bytes}
o _{■ A sequence of data (N byte + achnowledge)}
Obs ^{■ A stop condition (P)}
STOP
8
9
ACKNOWLEDGMENT
FROM RECEIVER
Figure 11.
CHIP ADDRESS
SUBADDRESS
DATA 1 to DATA n
MSB
LSB
MSB
S 1 0 0 0 0 0 A 0 ACK B
D95AU226A
DATA
LSB
MSB
ACK
DATA
LSB
ACK P
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