TDA7312 Datasheet, PDF (11/13 Pages) STMicroelectronics – DIGITAL CONTROLLED STEREO AUDIO PROCESSOR

Audio Switch
MSB
0
1
TDA7312
LSB
FUNCTION
0
D2
D1
S2
S1
S0
Audio Switch
1
0
0
Stereo 1
1
0
1
Stereo 2
1
1
0
Stereo 3
1
1
1
Stereo 4
0
1
0
1
DIG. OUT 1 = 0
DIG. OUT 1 = 1
DIG. OUT 2 = 0
DIG. OUT 2 = 1
Bass and Treble
0
1
1
0
C3
C2
C1
0
1
1
1
C3
C2
C1
0
0
0
0
0
0
0
0
1
0
0
1
0
1
0
0
1
0
0
1
1
0
1
1
1
1
1
1
1
1
1
1
0
1
1
0
1
0
1
1
0
1
1
0
0
1
0
0
C3 = Sign
For example Bass at -10dB is obtained by the following 8 bit string:
01100010
C0
Bass
C0
Treble
0
-14
1
-12
0
-10
1
-8
0
-6
1
-4
0
-2
1
0
1
0
0
2
1
4
0
6
1
8
0
10
1
12
0
14
Status at Power on Reset
Volume = 78.75dB
Treble = Bass = +2dB
Spkrs Attenuators = Mute
Input = Stereo 1
Dig. OUT 1 = Dig. OUT 2 = 1
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