TDA7541B Datasheet, PDF (42/77 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

Software specification
5
Software specification
TDA7541B
5.1
Chip address and overview
The interface protocol comprises:
– start condition (S)
– chip address byte
– sub address byte
– sequence of data (N bytes + Acknowledge)
– stop condition (P)
Receive mode
S 1 1 0 0 0 1 D 0 ACK 0 0 I A4 A3 A2 A1 A0 ACK DATABYTEACK P
Transmission mode
S 1 1 0 0 0 1 D 1 ACK R7 R6 R5 R4 R3 R2 R1 S0 ACK P
S = Start
P = Stop
ACK = Acknowledge
D = Device address
I = Auto increment mode
A = Sub address
R = Read bit
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Doc ID 16048 Rev 1