TDA7419_09 Datasheet, PDF (34/40 Pages) STMicroelectronics – 3 band car audio processor

I²C bus specification
TDA7419
Table 14. Bass filter (6)
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
Function
Gain/attenuation
0
1
1
1
1 -15 dB
0
1
1
1
0 -14 dB
:
:
:
:
::
0
0
0
0
1 -1 dB
0
0
0
0
0 0 dB
1
0
0
0
0 0 dB
1
0
0
0
1 +1 dB
:
:
:
:
::
1
1
1
1
0 +14 dB
1
1
1
1
1 +15 dB
0
0
0
1
1
0
1
1
0
1
Bass Q factor
1.0
1.25
1.5
2.0
Bass soft-step
on
off
Table 15. Second source selector (7)
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
Function
Source selector
0
0
0 QD/SE: QD
0
0
1 SE1
0
1
0 SE2
0
1
1 SE3
1
0
0 QD/SE: SE
1
0
1 mute
1
1
x mute
0
0
0
0
0
0
0
1
:
:
:
:
1
1
1
0
1
1
1
1
Input Gain
0dB
1dB
:
14dB
15dB
Rear Speaker Source
0
main source
1
second source
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