參數(shù)資料
型號(hào): 7431
廠商: 意法半導(dǎo)體
英文描述: DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX AND VOICE CANCELLER
中文描述: 數(shù)控式環(huán)繞聲矩陣和消音器的音頻處理器
文件頁數(shù): 11/21頁
文件大小: 168K
代理商: 7431
MSB
D7
LSB
D0
0
1
0
1
0
1
0
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
D6
D5
D4
D3
D2
0
0
0
0
1
1
1
1
D1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
INPUT ATTENUATION = 0
-31.5dB
D7
D6
0
D5
D4
D3
D2
D1
D0
REAR SWITCH
REARIN, REAROUT PIN
ACTIVE
NO REARIN,REAROUT PIN
1
INPUT ATTENUATION SELECTION
MSB
D7
B
B
LSB
D0
0
1
SUBADDRESS
D6
X
X
D5
X
X
D4
X
X
D3
0
0
D2
0
0
D1
0
0
INPUT ATTENUATION
SURROUND & OUT & EFFECT
CONTROL
PHASE RESISTOR
BASS& NATURAL BASE
MIDDLE & TREBLE
SPEAKERATTENUATION ”L”
SPEAKERATTENUATION ”R”
RECORD ATTENUATION ”L”
RECORD ATTENUATION”R”
INPUT MULTIPLEXER, VOICE
CANCELLER & REC OUT
B
B
B
B
B
B
B
B
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
0
0
0
1
1
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
0
1
B = 1 incrementalbus; active
B = 0 no incremental bus;
X = indifferent 0,1
The first byte (subaddress)
DATA BYTES
Address = 80(HEX):ADDR open; 82 (HEX): need to connectsupply
FUNCTION SELECTION:
TDA7430 - TDA7431
11/21
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