參數(shù)資料
型號： TDA7565
廠商： STMICROELECTRONICS
元件分類： 音頻／視頻放大
英文描述： 40 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM27
封裝： FLEXIWATT-27
文件頁數(shù)： 4/19頁
文件大?。?/td> 205K
代理商： TDA7565
Software specifications
TDA7565
Doc ID 9800 Rev 4
4
Software specifications
All the functions of the TDA7565 are activated by I2C interface.
The bit 0 of the "ADDRESS BYTE" defines if the next bytes are write instruction (from P to
TDA7565) or read instruction (from TDA7565 to P).
If R/W = 0, the P sends 2 "Instruction Bytes": IB1 and IB2.
Table 5.
Chip address
Bit
Instruction
D7
Address bit
D6
Address bit
D5
Address bit
D4
Address bit
D3
Address bit
D2
Address bit
D1
Address bit
D0(R/W)
Read/Write bit
0 = Write instruction
1 = read instruction
Table 6.
IB1
Bit
Instruction
D7
Sel. freq. switch 1
D6
Sel. freq. switch 2
D5
Offset detection start (D5 = 1)
Offset detection stop (D5 = 0) (off)
D4
Front channel
Gain = 26dB (D4 = 0)
Gain = 12dB (D4 = 1)
D3
Rear channel
Gain = 26dB (D3 = 0)
Gain = 12dB (D3 = 1)
D2
Mute front channels (D2 = 0)
Unmute front channels (D2 = 1)
D1
Mute rear channels (D1 = 0)
Unmute rear channels (D1 = 1)
D0
CD 1% (D0 = 0)
CD 10% (D0 = 1)
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