TDA7512F Datasheet, PDF (33/45 Pages) STMicroelectronics – FM car-radio tuner IC with intelligent selectivity system (ISS)

TDA7512F
Software specification
Table 20. Addr 12 soft mute control 1 (continued)
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
-
-
-
-
-
-
-
--
-
-
-
-
-
1 1 1 Startpoint mute 7in application about 10dBμV antenna level
-
0000
-
-
- Mute depth 0 in application 18d B
-
0001
-
-
- Mute depth 1 in application 20 dB
-
0010
-
-
- Mute depth 2 in application 22 dB
-
0011
-
-
- Mute depth 3 in application 24 dB
-
-
-
-
-
-
-
- - (logarithmically behaviour)
-
1111
-
-
- Mute depth 15 in application 36 dB
0
-
-
-
-
-
-
- Mute disable
1
-
-
-
-
-
-
- Mute enable
Table 21. Addr 13 soft mute control 2
MSB
d7 d6 d5 d4 d3 d2 d1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
00
-
-
-
-
-
01
-
-
-
-
-
10
-
-
-
-
-
11
-
0
0
0
0
-
-
-
0
0
0
1
-
-
-
0
0
1
0
-
-
-
-
-
-
-
-
-
-
0
1
1
1
-
-
-
1
1
1
1
-
-
0
-
-
-
-
-
-
1
-
-
-
-
-
-
LSB
d0
Function
0 Disable mute threshold for ISS filter “ON”
1 Enable mute threshold for ISS filter “ON”
- AC mute depth 10 dB
- AC mute depth 8 dB
- AC mute depth 6 dB
- AC mute depth 4 dB
- AC mute threshold 60 mV
- AC mute threshold 80 mV
- AC mute threshold 100 mV
--
- AC mute threshold 340 mV
- AC mute “OFF”
- AC mute filter 110 kHz
- AC mute filter 100 kHz
Table 22. Addr 14 VCODIV/PLLREF
MSB
d7 d6 d5 d4 d3 d2 d1
-
-
-
-
-
-
0
-
-
-
-
-
-
0
LSB
d0
Function
0 not valid (only for testing)
1 VCO frequency divided by 2
Doc ID 12668 Rev 2
33/45