TDA7303

Software specification

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For example to select the stereo 2 input with a gain of +7.5dB LOUDNESS ON the 8bit

string is: 0 1 0 0 1 0 0 1

C3 = Sign

For example Bass at -10dB is obtained by the following 8 bit string: 0 1 1 0 0 0 1 0

Table 9.

Audio switch

MSB

LSB

FUNCTION

0

1

0

G1

G0

S2

S1

S0

Audio Switch

0

0

Stereo 1

0

1

Stereo 2

1

0

Stereo 3

11

Not allowed

0

Loudness ON

1

Loudness OFF

0

0

+11.25dB

0

1

+7.5dB

10

+3.75dB

1

1

0dB

Table 10.

Bass and Treble

MSB

LSB

FUNCTION

0

1

1

0

C3C2

C1C0

Bass

0

1

1

1

C3C2

C1C0

Treble

000

0

-14

000

1

-12

001

0

-10

001

1

-8

010

0

-6

010

1

-4

011

0

-2

011

1

0

111

1

0

111

0

2

110

1

4

110

0

6

101

1

8

101

0

10

100

1

12

100

0

14