TDA7718B Datasheet, PDF (37/40 Pages) STMicroelectronics – 3 band car audio processor

TDA7718B
I²C bus specification
Table 20. Testing audio processor 2 (20)
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
Function
Test architecture ⁽¹⁾
-
-
-
-
-
-
-
0 Normal
1 Split
Oscillator clock ⁽²⁾
-
-
-
-
-
-
0
- 400 kHz
1
800 kHz
Soft-step curve ⁽²⁾
-
-
-
-
-
0
-
- S-Curve
1
Linear curve
Manual set busy signal ⁽¹⁾
0
0
Auto
-
-
-
0
1
-
-
- Auto
1
0
0
1
1
1
Request for clk generator ⁽¹⁾
0
0
Allow
-
-
-
0
1
-
-
- Allow
1
0
Stopped
1
1
Stopped
No DCO spike rejection⁽¹⁾
-
-
0
-
-
-
-
- On
1
Off
x
x
-
-
-
-
-
- Not used
1. The control bit needs sub-address test mode on.
2. The control bit does not depend on test mode.
Table 21. Testing audio processor 3 (21)
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
Function
Enable clock for FL/FR/RL/RR/SWL/SWR
-
-
-
-
-
-
-
0 On
1 Off
Enable clock for volume
-
-
-
-
-
-
0
- On
1
Off
Enable clock for treble and bass
-
-
-
-
-
0
-
- On
1
Off
Enable clock for loudness and middle
-
-
-
-
0
-
-
- On
1
Off
x
x
x
x
-
-
-
- Not used
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