TDA7718B Datasheet, PDF (27/40 Pages) STMicroelectronics – 3 band car audio processor

TDA7718B
Figure 21. I²C bus data
I²C bus specification
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W _/2:
3#,
W _+'67$
W _+''$7
W _+,*+
5.2.1
Receive mode
W₅
W _68'$7
W₎
W _68672
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S 1 0 0 0 1 0 0 R/W
AC
K
TS
X
AI A4 A3 A2 A1 A0 ACK
DAT
A
ACK P
S = Start
R/W = "0" -> Receive Mode (Chip can be programmed by µP)
"1" -> Transmission Mode (Data could be received by µP)
ACK = Acknowledge
P = Stop
5.2.2
TS = Testing mode
AI = Auto increment
Transmission mode
S 1 0 0 0 1 0 0 R/W ACK X X X X X X BZ SM ACK P
SM = Soft-mute activated for main channel
BZ = Soft-step Busy (‘0’ = Busy)
X = Not used
The transmitted data is automatic updated after each ACK. Transmission can be repeated
without new chip address.
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