TDA7718B Datasheet, PDF (36/40 Pages) STMicroelectronics – 3 band car audio processor

I²C bus specification
TDA7718B
Table 18. Speaker attenuation (FL/FR/RL/RR/SWL/SWR) (13-18)
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
Function
Gain/attenuation
0
0
0
0
0
0
0 0 dB
0
0
0
0
0
0
1 1 dB
:
:
:
:
:
:
::
0
0
0
1
1
1
1 +15 dB
-
0
0
1
0
0
0
0 -0 dB
0
0
1
0
0
0
1 -1 dB
:
:
:
:
:
:
::
1
0
1
1
1
1
0 -78 dB
1
0
1
1
1
1
1 -79 dB
1
1
x
x
x
x
x mute
Soft-step action
0
-
-
-
-
-
-
- Act
1
Wait
Table 19. Testing audio processor 1 (19)
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
Function
Audio processor testing mode
-
-
-
-
-
-
-
0 Off
1 On
Test multiplexer at SE1L ⁽¹⁾
0
0
0
0
SSCLK
0
0
0
1
REQ
0
0
1
0
SMCLK
0
0
1
1
DCDet Vth High
-
-
-
0
0
1
1
0
0
0
1
-
DCDet Vth Low
IntZeroErr
0
1
1
0
Ref5V5
0
1
1
1
VGB1.95
1
0
0
0
Clock200k
1
0
0
1
SDCLK
1
0
1
0
VrefDCO
Clock fast mode ⁽²⁾
-
-
0
-
-
-
-
- On
1
Off
Clock source ⁽²⁾
-
0
-
-
-
-
-
- External
1
Internal (200 kHz)
Attenuator gain clock control ⁽²⁾
0
-
-
-
-
-
-
- On
1
Off
1. The control bit needs both I²C test mode on & sub-address test mode on.
2. The control bit does not depend on test mode.
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DocID18305 Rev 3