Mute, Beep and Mixing

MSB

LSB

MUTE/BEEP/MIXING

D7

D6

D5

D4

D3

D2

D1

D0

0

1

0

0

1

1

0

1

0

1

0

1

Mute

Enable Softmute

Disable Softmute

Mute time =0.48 ms

Mute time =0.96 ms

Mute time =40.4 ms

Mute time =324 ms

Stereo Decoder Softmute Influence = off

Stereo Decoder Softmute Influence = on

0

1

Beep

Beep Frequency = 600Hz

Beep Frequency = 1.2KHz

0

0

1

1

0

1

0

1

0

1

Mixing

Mix-Source = Beep

Mix-Source = Phone

Full Mix Signal

Source -12dB + Mix-Signal -2.5dB

Source -6dB + Mix-Signal -6dB

Full Source

Note: for more information to the Stereodecoder-Softmute-Influence please refer to the stereodecoder description.

Volume

MSB

LSB

ATTENUATION

D7

D6

D5

D4

D3

D2

D1

D0

0

0

:

0

0

0

:

0

0

0

:

1

1

0

0

:

0

0

0

:

0

1

1

:

1

1

0

0

:

0

0

0

:

1

0

0

:

0

0

0

0

:

1

1

1

:

1

0

0

:

1

1

0

0

:

1

1

1

:

1

0

0

:

1

1

0

0

:

0

0

1

:

1

0

0

:

1

1

0

1

:

0

1

0

:

1

0

1

:

0

1

Gain/Attenuation

+32dB

+31dB

:

+20dB

+19dB

+18dB

:

+1dB

0dB

- 1dB

:

-78dB

-79dB

0

1

Softstep

Softstep Volume = off

Softstep Volume = on

Note: It is not recommended to use a gain more than 20dB for system performance reason. In general, the max. gain should be limited by

software to the maximum value, which is needed for the system.

TDA7403

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