TDA7465 Datasheet, PDF (14/20 Pages) STMicroelectronics – DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SRS SURROUND SOUND AND VOICE CANCELLER

TDA7465
RECORD AND RIGHT CHANNEL SPEAKER ATTENUATION SELECTION
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
X
1
1
X
X
X = DON’T CARE
SPEAKER/RECORD ATTENUATION = 0dB ∼ -79dB
SPEAKER/RECORD ATT
1 dB STEPS
0
-1
-2
-3
-4
-5
-6
-7
8 dB STEPS
0
-8
-16
-24
-32
-40
-48
-56
-64
-72
MUTE
VOICE CANCELLER RECOUT L & R SELECTION
MSB
D7
D6
D5
D4
D3
D2
1
1
0
0
1
0
1
1
1
0
1
1
1
1
0
0
1
0
1
1
1
0
1
1
1
1
0
1
1
1
LSB
D1
D0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
VOICE CANCELLER
OFF
ON
REC OUT ”L”
VAR 1 (3BAND)
VAR 2 (SURR)
VAR 3 (REAR)
FIX
REC OUT ”R”
VAR 1(3BAND)
VAR 2 (SURR)
VAR 3 (REAR)
FIX
MIX SWITCH
MIX PIN ACTIVE
NO MIX PIN
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