TDA7540N Datasheet, PDF (43/76 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system (ISS)

TDA7540N
Software specification
Table 11. Control register function (continued)
Register Name
Function
NBON
Noise blanker enable
NBPC
Noise blanker peak charge current
NBRR
NBSMP
Noise blanker rectifier discharge resistor
Strong multipath influence on noise blanker on/off
NBT
Noise blanker time
ODCUR
Current for overdeviation-correction
ODSW
Overdeviation-correction enable
OUT
PC
Test output (only for testing)
Counter for PLL (VCO frequency)
PCM
Pilot cancellation mode
PDH
PD hold activation
PH
I/Q mixer phase adjust
PTH
QDC
Pilot threshold
Quality detector coefficient
QNG
Quality noise gain
RC
Reference counter PLL
RFAGC
RFKAGC
FM RF AGC
FM RF keying AGC
ROC
Roll-Off compensation
S
Two mode switching output enable
SBA
FM demodulator spike blanker attack mode
SBC
SBSH
Stereoblend control
FM demodulator spike blanker sample&hold mode
SBT
FM demodulator spike blanker test mode
SBTO
FM demodulator spike blanker toggle mode
SBW
SI
FM demodulator spike blanker window mode
Signal invertion
SL
S meter slider
SMODE
Two mode switching output
SMCTH
Softmute capacitor threshold for ISS “ON”
SMD
SMO
Softmute depth threshold
Softmute reference voltage offset
SMSL
S meter slope
SMTH
Softmute startpoint threshold
SSTH
Unweighted fieldstrenght threshold for seek stop
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