TDA7718N Datasheet, PDF (36/40 Pages) STMicroelectronics – 3 band car audio processor

I²C bus specification
TDA7718N
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
D7
D6
D5
D4
D3
D2
LSB
D1
D0
-
-
-
-
-
-
-
0
1
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
-
-
-
-
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
-
-
0
-
-
-
-
-
1
-
0
-
-
-
-
-
-
1
0
-
-
-
-
-
-
-
1
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.
Function
Audio processor testing mode
Off
On
Test multiplexer at SE1L ⁽¹⁾
SSCLK
REQ
SMCLK
DCDet Vth High
DCDet Vth Low
IntZeroErr
Ref5V5
VGB1.95
Clock200k
SDCLK
VrefDCO
Clock fast mode ⁽²⁾
On
Off
Clock source ⁽²⁾
External
Internal (200 kHz)
Attenuator gain clock control ⁽²⁾
On
Off
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Doc ID 16502 Rev 1