TDA7563PD Datasheet, PDF (15/21 Pages) STMicroelectronics – MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURES

TDA7563PD
10 SOFTWARE SPECIFICATIONS
All the functions of the TDA7563PD are activated by I²C interface.
The bit 0 of the "ADDRESS BYTE" defines if the next bytes are write instruction (from µP to TDA7563PD) or
read instruction (from TDA7563PD to µP).
Chip Address:
D7
1
1
0
1
1
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
D7
X
D6
Diagnostic enable (D6 = 1)
Diagnostic defeat (D6 = 0)
D5
Offset Detection enable (D5 = 1)
Offset Detection defeat (D5 = 0)
D4
Front Channel
Gain = 30dB (D4 = 0)
Gain = 16dB (D4 = 1)
D3
Rear Channel
Gain = 30dB (D3 = 0)
Gain = 16dB (D3 = 1)
D2
Mute front channels (D2 = 0)
Unmute front channels (D2 = 1)
D1
Mute rear channels (D1 = 0)
Unmute rear channels (D1 = 1)
D0
CD 2% (D0 = 0)
CD 10% (D0 = 1)
D0
0
X
D8 Hex
Table 7. IB2
D7
X
D6
used for testing
D5
used for testing
D4
Stand-by on - Amplifier not working - (D4 = 0)Stand-by off - Amplifier working - (D4 = 1)
D3
Power amplifier mode diagnostic (D3 = 0)Line driver mode diagnostic (D3 = 1)
D2
X
D1
Right ChannelPower amplifier working in standard mode (D1 = 0)Power amplifier working in high
efficiency mode (D1 = 1)
D0
Left ChannelPower amplifier working in standard mode (D0 = 0)Power amplifier working in high efficiency
mode (D0 = 1)
If R/W = 1, the TDA7563PD sends 4 "Diagnostics Bytes" to µP: DB1, DB2, DB3 and DB4.
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