參數(shù)資料
型號(hào): TDA7348D
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封裝: SOP-28
文件頁(yè)數(shù): 5/20頁(yè)
文件大?。?/td> 218K
代理商: TDA7348D
TDA7348
Software specification
4.3
Transmitted data
ZM = Zero crossing muted (HIGH active)
SM = Soft mute activated (HIGH active)
X = Not used
The transmitted data is automatically updated after each ACK.
Transmission can be repeated without new chip address.
4.4
Data byte specification
X = not relevant; set to "1" during testing
For example to select the IN 2 input with a gain of 7.5dB the Data Byte is: X X 1 0 1 0 0 1
Table 6.
Send mode
MSB
LSB
X
SM
ZM
X
Table 7.
Input Selector
MSB
LSB
Function
D7
D6
D5
D4
D3
D2
D1
D0
X
1
0
not used
X
1
0
1
IN 2
X
1
0
1
0
IN 1
X
1
0
1
AM mono
X
1
0
not used
X
1
0
1
IN 3
X
1
0
not allowed
X
1
not allowed
X
1
0
11.25dB gain
X
1
0
1
7.5dB gain
X
1
0
3.75dB gain
X
1
0dB gain
Table 8.
Loudness
MSB
LSB
Function
D7
D6
D5
D4
D3
D2
D1
D0
X
1
0
0dB
X
1
0
1
-1.25dB
X
1
0
1
0
-2.5dB
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