TDA7431 STMicroelectronics, TDA7431 Datasheet - Page 10

• Manufacturer Part Number: TDA7431
• Description: IC PROCESSOR AUDIO DGTL 42-SDIP
• Manufacturer: STMicroelectronics
• Type: Audio Processorr

Specifications of TDA7431

• Applications: Automotive Systems
• Mounting Type: Through Hole
• Package / Case: 42-SDIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7430 - TDA7431
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.
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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)
S
MSB
SOFTWARE SPECIFICATION
1
SCL
SDA
0
D95AU226A
CHIP ADDRESS
0
SCL
SDA
START
SDA
SCL
0
0
START
0
A
LSB
MSB
0
1
STABLE, DATA
2
ACK
DATA LINE
2
C bus
C bus
VALID
2
C bus
MSB
B
2
SUBADDRESS
D99AU1033
DATA
D99AU1032
ALLOWED
CHANGE
DATA
3
LSB
ACK
7
MSB
DATA 1 to DATA n
8
ACKNOWLEDGMENT
FROM RECEIVER
DATA
STOP
D99AU1031
I
2
CBUS
9
LSB
ACK
P