TDA7311 Datasheet, PDF (7/11 Pages) STMicroelectronics – SERIAL BUS CONTROLLED AUDIO PROCESSOR

STATUS AFTER POWER-ON RESET
Volume
Speaker
Audio Switch
Bass
Treble
–78.75dB
Mute
Mute
–20dB
–14dB
SOFTWARE SPECIFICATION
Data Bytes
FIRST BYTE
MSB
0
0
0
0
X
X
X
0
1
0
0
X
X
X
0
0
1
0
X
X
X
0
1
1
0
X
X
X
0
0
0
1
X
X
X
0
1
0
1
X
X
X
0
0
1
1
X
X
X
0
1
1
1
0
X
X
0
1
1
1
1
X
X
SECOND BYTE
VOLUME ATTENUATION
MSB
1 X B2 B1 B0 A2
0
0
0
0
1
1
1
1
1 X B2 B1 B0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
LSB
A1 A0 Volume 1.25dB Steps
0
00
0
1 -1.25
1
0 -2.5
1
1 -3.75
0
0 -5.00
0
1 -6.25
1
0 -7.50
1
1 -8.75
Volume 10dB Steps
0
-10
-20
-30
-40
-50
-60
-70
TDA7311
LSB
X
X
X
X
X
X
X
X
X
Function
VOL ATTENUATION
VOL GAIN
BASS
TREBLE
ATT RF (speaker)
ATT RR (speaker)
ATT LF (speaker)
ATT LR (speaker)
AUDIO SWITCH
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