TDA7563B Datasheet, PDF (23/33 Pages) STMicroelectronics – 4 x 50W multifunction quad power amplifier with built-in diagnostics feature

TDA7563B
8
Software specifications
Software specifications
All the functions of the TDA7563B are activated by I²C interface.
The bit 0 of the "ADDRESS BYTE" defines if the next bytes are write instruction (from µP to
TDA7563B) or read instruction (from TDA7563B to µP).
Chip address
D7
1
1
0
1
1
0
0
X = 0 Write to device
X = 1 Read from device
If R/W = 0, the μP sends 2 "Instruction Bytes": IB1 and IB2.
Table 6. IB1
Bit
Instruction decoding bit
D7 0
Diagnostic enable (D6 = 1)
D6
Diagnostic defeat (D6 = 0)
Offset Detection enable (D5 = 1)
D5
Offset Detection defeat (D5 = 0)
Front Channel
D4 Gain = 30dB (D4 = 0)
Gain = 16dB (D4 = 1)
Rear Channel
D3 Gain = 30dB (D3 = 0)
Gain = 16dB (D3 = 1)
Mute front channels (D2 = 0)
D2
Unmute front channels (D2 = 1)
Mute rear channels (D1 = 0)
D1
Unmute rear channels (D1 = 1)
CD 2% (D0 = 0)
D0
CD 10% (D0 = 1)
D0
X
D8 Hex
23/33