TDA7313 Datasheet, PDF (11/14 Pages) STMicroelectronics – DIGITAL CONTROLLED STEREO AUDIO PROCESSOR WITH LOUDNESS

TDA7313
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
1
1
Stereo 4 (*)
0
LOUDNESS ON
1
LOUDNESS OFF
0
0
0
1
1
0
1
1
+11.25dB
+7.5dB
+3.75dB
0dB
For example to select the stereo 2 input with a gain of +7.5dB LOUDNESS ON the 8bit string is:
01001001
(*) Stereo 4 is connected internally, but not available on pins.
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
Purchase of I²C Components of STMicroelectronics, conveys a license under the Philips I²C Patent
Rights to use these components in an I²C system, provided that the system conforms to the I²C
Standard Specifications as defined by Philips.
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