TDA7541 Datasheet, PDF (58/76 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

Software specification
TDA7541
Table 31. Addr 15 IQ adjust / Switch (FM E7h)
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
PH<3:0>
0 0 0 0 -7 degree
0 0 0 1 -6 degree
0 0 1 0 -5 degree
-
-
-
--
0 1 1 1 0 degree
1 0 0 0 1 degree
1 0 0 1 2 degree
-
-
-
-
1 1 1 0 7 degree
1 1 1 1 8 degree
SW
0
S1 LOW output voltage
1
S1 HIGH output voltage
SWM
0
S1 emitter output available
1
S1 open collector output available
0
0
DSB<7:6>
FM demodulator spike cancelation ”OFF”
0
1
Threshold for FM demodulator spike cancelation 630mV
1
0
Threshold for FM demodulator spike cancelation 400mV
1
1
Threshold for FM demodulator spike cancelation 520mV
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