TDA7429 STMicroelectronics, TDA7429 Datasheet - Page 10

• Manufacturer Part Number: TDA7429
• Description: Digitally Controlled Audio Processor With Surround Sound Matrix
• Manufacturer: STMicroelectronics

TDA7429
Figure 8. Data validity on the I
Figure 9. Timing Diagram of I
Figure 10. Acknowledge on the I
4
4.1 Interface Protocol
The interface protocol comprises:
Figure 11.
10/22
S
A start condition (S)
A chip address byte, containing the TDA7429 address
A subaddress bytes
A sequence of data (N byte + achnowledge)
A stop condition (P)
MSB
SOFTWARE SPECIFICATION
1
0
SCL
SDA
D95AU226A
CHIP ADDRESS
0
SCL
SDA
0
START
SDA
SCL
0
START
0
A
LSB
0
MSB
1
STABLE, DATA
ACK
2
DATA LINE
2
C bus
C bus
VALID
2
C bus
MSB
B
2
SUBADDRESS
D99AU1033
DATA
D99AU1032
ALLOWED
CHANGE
DATA
3
LSB
7
ACK
MSB
DATA 1 to DATA n
8
ACKNOWLEDGMENT
FROM RECEIVER
STOP
DATA
D99AU1031
I
2
CBUS
9
LSB
ACK
P