TDA7546 Datasheet, PDF (38/68 Pages) STMicroelectronics – Multichip module for TMC tuner applications

Software specifications
Table 10. Control register function (continued)
Register Name
Function
DWTH
Deviation detector threshold for ISS filter narrow/wide
EW
Frequency error window IF counter
F100K
G
Corner frequency of AC-mute high pass filter
I/Q mixer gain adjust
IF1T
Miixer1 tank adjust
IFAGC
IF AGC
IFENA
IF counter enable
IFG
IF1 amplifier gain (10.7MHz)
IFS
IF counter sampling time
ISSIN
Test input for ISS filter
ISSON
ISS filter “ON”
ISS30
ISS filter 30KHz weather band
ISS80
KAGC
ISS filter narrow/mid switch
Keying AGC
LDENA
Lock detector enable
LM
Local mode seek stop
MENA
MPAC
Softmute enable
Adjacent channel control by multipath
MPF
Multipath filter frequency
MPG
Multipath filter gain
MPOFF
Multipath control “OFF”
MPTH
ODCUR
Multipath threshold
Current for overdeviation-correction
ODSW
Overdeviation-correction enable
OUT
Test output (only for testing)
PC
Counter for PLL (VCO frequency)
PH
I/Q mixer phase adjust
RC
Reference counter PLL
RFAGC
RF AGC
SL
S meter slider
SMCTH
SMD
Softmute capacitor threshold for ISS “ON”
Softmute depth threshold
SMSL
S meter slope
SMTH
Softmute startpoint threshold
TDEV
Time constant for deviation detector
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TDA7546