TDA7406T Datasheet, PDF (41/49 Pages) STMicroelectronics – CAR RADIO SIGNAL PROCESSOR

TDA7406T
Table 15. Mixer Level Control (20)
MSB
D₇ D₆ D₅ D₄ D₃ D₂
1
0
0
0
1
1
:
:
:
:
:
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
:
:
:
:
:
:
0
0
0
0
1
1
0
0
0
1
0
0
:
:
:
:
:
:
0
1
0
0
1
1
0
1
0
0
1
1
X
1
1
X
X
X
LSB
D₁ D₀
ATTENUATION
Gain/Attenuation
1
1 +15dB
:
::
0
1 + 1dB
0
0
0dB
0
0
0dB
0
1 - 1dB
:
::
1
1 -15dB
0
0 -16dB
:
::
1
0 -78dB
1
1 -79dB
X
X Mute
Table 16. Testing Audioprocessor (21)
MSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁
LSB
D₀
FUNCTION
Audioprocessor Testmode
0 off
1 on
0
0
0
0
1
0
0
0
0
0
0
1
1
0
0
1
0
0
1
0
1
0
1
0
X
0
1
1
0
1
0
0
1
1
0
0
X
1
0
1
X
1
1
0
X
1
1
1
Test-Multiplexer
Spectrum Analyzer Filter 62Hz
Spectrum Analyzer Filter 157Hz
Spectrum Analyzer Filter 400Hz
Spectrum Analyzer Filter 1kHz
Spectrum Analyzer Filter 2.51kHz
Spectrum Analyzer Filter 6.34kHz
Spectrum Analyzer Filter 16kHz
Not Allowed
not used
200kHz Oscillator
NB-Hold
internal Reference
Clock
0
external
1
internal
AZ Function
0
off
1
on
SC-Clock
0
Fast Mode
1
Normal Mode
Note: This byte is used for testing or evaluation purposes only and must not set to other values than “11111110”
in the application!
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