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TDA7402_07 Datasheet, PDF (51/71 Pages) STMicroelectronics – Car radio signal processor
TDA7402
I2C bus interface
9.5
Data byte specification
The status after power on reset is marked bold face / underlined in the programming tables.
Table 13. Main selector (0)
MSB
D7 D6 D5 D4 D3 D2
0
0
0
0
1
1
1
1
0 0 00
0 0 01
: : ::
1 1 10
1 1 11
0
1
LSB
D1 D0
Source selector
0 0 FD1 / SE2
0 1 SE3
1 0 FD2
1 1 SE1
0 0 MD2
0 1 MD1 / SE4
1 0 stereo decoder
1 1 AM
Input gain
0dB
1dB
:
14dB
15dB
Mute
off
on
Function
Table 14. Main loudness (1)
MSB
D7 D6 D5 D4 D3 D2
000
000
:::
011
011
:::
100
:::
00
01
10
11
0
1
LSB
D1 D0
Attenuation
0 0 0 dB
0 1 -1 dB
: ::
1 0 -14 dB
1 1 -15 dB
: ::
1 1 -19 dB
: : not allowed
Center frequency
200Hz
400Hz
600Hz
800Hz
Loudness order
First order
Second order
Function
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