TDA7512F Datasheet, PDF (26/45 Pages) STMicroelectronics – FM car-radio tuner IC with intelligent selectivity system (ISS)

Software specification
Table 7. Control register function (continued)
Register Name
Function
DEM
Demodulator offset
DNB
Demodulator noise spike blanking
DTH
DWTH
Deviation detector threshold for ISS filter “OFF”
Deviation detector threshold for ISS filter narrow/wide
EW
Frequency error window IF counter
F100K
Corner frequency of AC-mute high pass filter
G
I/Q mixer gain adjust
IF1T
IFAGC
Miixer1 tank adjust
IF AGC
IFENA
IF counter enable
IFG
IF1 amplifier gain (10.7MHz)
IFS
IF counter sampling time
ISSIN
ISSON
Test input for ISS filter
ISS filter “ON”
ISS30
ISS filter 30KHz weather band
ISS80
ISS filter narrow/mid switch
KAGC
LDENA
Keying AGC
Lock detector enable
LM
Local mode seek stop
MENA
Softmute enable
MPAC
Adjacent channel control by multipath
MPF
MPG
Multipath filter frequency
Multipath filter gain
MPOFF
Multipath control “OFF”
MPTH
Multipath threshold
ODCUR
ODSW
Current for overdeviation-correction
Overdeviation-correction enable
OUT
Test output (only for testing)
PC
Counter for PLL (VCO frequency)
PH
I/Q mixer phase adjust
RC
RFAGC
Reference counter PLL
RF AGC
SL
S meter slider
SMCTH
Softmute capacitor threshold for ISS “ON”
SMD
Softmute depth threshold
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Doc ID 12668 Rev 2
TDA7512F