Datasheet

I
2
C bus specification TDA7419
32/40
Table 10. Soft-mute / clock generator (2)
MSB LSB
Function
D7 D6 D5 D4 D3 D2 D1 D0
0
1
Soft-mute
on
off
0
1
Pin influence for mute
Pin and IIC
IIC
0
0
1
0
1
x
Soft-mute time
0.48 ms
0.96 ms
123 ms
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Soft-step time
0.160 ms
0.321 ms
0. 642 ms
1.2 8ms
2.56 ms
5.12 ms
10.24 ms
20.48 ms
0
1
Clock fast mode
on
off
Table 11. Volume / speaker / mixing / subwoofer attenuation (3, 10-15)
MSB LSB
Function
D7 D6 D5 D4 D3 D2 D1 D0
0
0
:
0
0
0
:
1
1
1
0
0
:
0
0
0
:
0
0
1
0
0
:
0
1
1
:
1
1
x
0
0
:
1
0
0
:
1
1
x
0
0
:
1
0
0
:
1
1
x
0
0
:
1
0
0
:
1
1
x
0
1
:
1
0
1
:
0
1
x
Gain/attenuation
+0 dB
+1 dB
:
+15 dB
-0 dB
-1 dB
:
-78 dB
-79 dB
mute
0
1
Soft-step
on
off