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TDA7402 Datasheet, PDF (50/59 Pages) STMicroelectronics – CARRADIO SIGNAL PROCESSOR
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TDA7402
9.6.15Speaker, Subwoofer and Mixer Level-Control (14-20)
The programming of all Speaker-, Subwoofer and Mixing Level-Controls are the same.
MSB
LSB
D7
D6 D5 D4 D3 D2 D1 D0
ATTENUATION
1
0
0
0
1
1
1
1 +15 dB
:
:
:
:
:
:
:
:
:
1
0
0
0
0
0
0
1 +1 dB
1
0
0
0
0
0
0
0 0 dB
0
0
0
0
0
0
0
0 0 dB
0
0
0
0
0
0
0
1 -1 dB
:
:
:
:
:
:
:
:
:
0
0
0
0
1
1
1
1 -15 dB
0
0
0
1
0
0
0
0 -16 dB
:
:
:
:
:
:
:
:
:
0
1
0
0
1
1
1
0 -78 dB
0
1
0
0
1
1
1
1 -79 dB
x
1
1
x
x
x
x
x Mute
9.6.16Testing Audioprocessor (21)
MSB
LSB
D7
D6 D5 D4 D3 D2 D1 D0
FUNCTION
Audioprocessor Testmode
0 off
1 on
000
001
010
011
100
101
110
111
Test-Multip lexer
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
0
off
1
on
SC-Clock
0
Fast Mode
1
Normal Mode
Note : This byte is used for testing or evaluation purposes only and must not set to other values than ”11101110” in the application!
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