TDA7402_07 Datasheet, PDF (60/71 Pages) STMicroelectronics – Car radio signal processor

I²C bus interface
TDA7402
Note:
Table 28.
MSB
D₇ D₆
0
1
0
1
Testing Audioprocessor (21)
LSB
D₅ D₄ D₃ D₂ D₁ D₀
Function
Audioprocessor testmode
0 off
1 on
000
001
010
011
100
101
110
111
Test-multiplexer
Compander log amp. output
Compander low pass output
Compander DAC output
200kHz oscillator
not allowed
not allowed
NB-hold
internal reference
Compander testmode
0
off
1
on
Clock
0
external
1
internal
AZ function
off
on
SC-clock
Fast mode
Normal mode
This byte is used for testing or evaluation purposes only and must not set to other values
than "11101110" in the application!
Table 29. Stereo decoder (22)
MSB
LSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁ D₀
0 _{STD unmuted}
1
STD muted
00
01
10
11
IN-gain 11 dB
IN-gain 8.5 dB
IN-gain 6 dB
IN-gain 3.5 dB
0
Input AM pin
1
Input MPX pin
Function
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