TDA7541 Datasheet, PDF (59/76 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

TDA7541
Software specification
Table 32. Addr 16 FM keying AGC (FM 1Dh)
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
ODENA
0 Over deviation correction disable
1 Over deviation correction enable
ODCUR
0
1
000
001
010
011
100
101
110
111
0
over deviation correction current max=45µA
over deviation correction current max=90µA
KAGC<4:2>
KAGC threshold 3,60* V₄₈ /5
KAGC threshold 3,65* V₄₈ /5
KAGC threshold 3,70* V₄₈ /5
KAGC threshold 3,75* V₄₈ /5
KAGC threshold 3,80* V₄₈ /5
KAGC threshold 3,85* V₄₈ /5
KAGC threshold 3,90* V₄₈ /5
Keying AGC “OFF”
RFK
RF keying AGC OFF
1
0
0
0
1
1
0
RF keying AGC ON
FSWO<7:6>
FSW offset OFF
FSW offset = -75mV
FSW offset = -150mV
1
1
FSW offset = -192mV
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