47/56

TDA7412

9.6.15Speaker, Subwoofer and Mixer Level-Control (14-20)

The programming of all Speaker-, Subwoofer and Mixing Level-Controls are the same.

9.6.16Testing Audioprocessor (21)

Note : This byte is used for testing or evaluation purposes only and must not set to other values than "11101110" in the application!

MSB

LSB

ATTENUATION

1

:

1

1

0

0

:

0

0

:

0

0

x

0

:

0

0

0

0

:

0

0

:

1

1

1

0

:

0

0

0

0

:

0

0

:

0

0

1

0

:

0

0

0

0

:

0

1

:

0

0

x

1

:

0

0

0

0

:

1

0

:

1

1

x

1

:

0

0

0

0

:

1

0

:

1

1

x

1

:

0

0

0

0

:

1

0

:

1

1

x

1

:

1

0

0

1

:

1

0

:

0

1

x

+15 dB

:

+1 dB

0 dB

0 dB

-1 dB

:

-15 dB

-16 dB

:

-78 dB

-79 dB

Mute

MSB

LSB

FUNCTION

0

1

Audioprocessor Testmode

off

on

0

0

0

0

1

1

1

1

0

0

1

1

0

0

1

1

0

1

0

1

0

1

0

1

Test-Multiplexer

not allowed

not allowed

not allowed

200kHz Oscillator

not allowed

not allowed

NB-Hold

internal Reference

0

Not used

0

1

Clock

external

internal

0

1

AZ Function

off

on

0

1

SC-Clock

Fast Mode

Normal Mode