TDA7512 Datasheet, PDF (33/42 Pages) STMicroelectronics – AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM ISS

2.3.17 Addr 17 FM Demodulator Fine Adjust
Table 25.
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
0 0 0 0 0 0 0mV
0 0 0 0 0 1 +8.5mV
0 0 0 0 1 0 +17mV
-
-
-
-
-
--
0 1 1 1 1 1 +263.5mV
1 0 0 0 0 0 0mV
1 0 0 0 0 1 -8.5mV
1 0 0 0 1 0 -17mV
-
-
-
-
-
--
1 1 1 1 1 1 -263.5mV
00
Spike cancelation ”OFF”
01
Threshold for spike cancelation 270mV
10
Threshold for spike cancelation 520mV
11
Threshold for spike cancelation 750mV
2.3.18 Addr 18 S-Meter Slider
Table 26.
MSB
d7 d6 d5 d4 d3 d2
00
00
00
-
-
11
0
1
0
1
0
1
0
1
LSB
d1 d0
Function
0 0 S meter slider offset SL=0dB
0 1 S meter offset SL=1dB
1 0 S meter offset SL=2dB
-
--
1 1 S meter offset SL=15dB
S meter offset -SL
S meter offset +SL
S Meter slope 1V/decade
S meter slope 1.5V/decade
Select external AM-IF input
Select internal AM-IF input
Overdeviation correction “ON”
Overdeviation correction “OFF”
TDA7512
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