TDA7442 Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
TDA7442 Datasheet PDF : 17 Pages
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TDA7442 - TDA7442D
5 DATA BYTES
Address = 80(HEX)
5.1 Function Selection:
The first byte (subaddress)
MSB
LSB
SUBADDRESS
D7
D6
D5
D4
D3
D2
D1
D0
B
X
X
X
0
0
0
0 INPUT ATTENUATION
B
X
X
X
0
0
0
1 SURROUND & OUT & EFFECT
CONTROL
B
X
X
X
0
0
1
0 PHASE RESISTOR
B
X
X
X
0
0
1
1 BASS
B
X
X
X
0
1
0
0 TREBLE
B
X
X
X
0
1
0
1 SPEAKER ATTENUATION "L"
B
X
X
X
0
1
1
0 SPEAKER ATTENUATION "R"
B
X
X
X
0
1
1
1 NOT ALLOWED
B
X
X
X
1
0
0
0 NOT ALLOWED
B
X
X
X
1
0
0
1 INPUT MULTIPLEXER
B = 1 incremental bus; active
B = 0 no incremental bus;
X = indifferent 0,1
Input Attenuation Selection
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
INPUT ATTENUATION
0.5 dB STEPS
0
-0.5
-1
-1.5
-2
-2.5
-3
-3.5
4 dB STEPS
0
-4
-8
-12
-16
-20
-24
-28
INPUT ATTENUATION = 0 ~ -31.5dB
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