TDA7404DTR Datasheet, PDF (31/35 Pages) STMicroelectronics – Car radio signal processor

TDA7404
I2C bus interface
Table 19. Others
MSB
LSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁ D₀
Function
AC coupling
X
0 ^{Internal pass}
0
1 ^{Coupling between Mixing Stage and Volume}
1
1
Coupling between Bass filter and Speaker
attenuator
1
1
00
01
10
11
Must be "1" for make up
Must be "1" for make up
Soft Step Time
0.68ms
1.26ms
2.52ms
5.04ms
1
0
1
Must be "1" for AutoZero
Internal Beep
Off
ON
Table 20. Testing
MSB
LSB
D₇
D₆
D₅
D₄
D₃
D₂
D₁
D₀
Function
X
X
X
X
X
X
Main-Testmode
0 off
1 on
X
X
X
X
X
X
Test-Multiplexer
0
internal 200kHz Clock
1
internal Bandgap Voltage
X
X
X
0
X
X
X
1
Clock
external
internal
1
1
must be "1"
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