TDA7546 Datasheet, PDF (46/68 Pages) STMicroelectronics – Multichip module for TMC tuner applications

Software specifications
Table 24. Addr 15 FM AGC (continued)
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
0
1
1
KAGC threshold 86dBμV
1
0
0
KAGC threshold 88dBμV
1
0
1
KAGC threshold 90dBμV
1
1
0
KAGC threshold 92dBμV
1
1
1
Keying AGC “OFF”
0
has to be “0”
Table 25. Addr 16 not valid
MSB
d7 d6 d5 d4 d3 d2
1
1
1
1
1
1
LSB
d1 d0
1
1 has to be set
Function
t
Table 26. Addr 17 FM demodulator fine adjust
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
TDA7546
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