English
Language : 

TDA7541B Datasheet, PDF (46/77 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system
Software specification
TDA7541B
Table 15. I2C control bit description (continued)
Register
Name
Function
PCM Pilot cancellation mode
PH IQ mixer phase adjust
PTH Pilot detector threshold
QDC Stereo decoder quality detector coefficient
QNG Stereo decoder quality noise gain
RC Tuner PLL reference counter
RFAGC FM/AM RF AGC threshold
RFK FM RF keying AGC
ROC Stereo decoder roll off compensation
SACCT Strong adjacent channel correction threshold
SACCE Strong adjacent channel correction enable
SBC Stereo blend control
SDM Stereo decoder mute enable
SEEK FM: FMON = 1, ISS time constant change / AM: FMON = 0, AGC2 time constant change
SL S meter slope
SSTH Field strength threshold for seek stop
SW Free programmable switch
SWM Free programmable switch mode
TDEV Time constant for deviation detector
TISS Time constant for ISS filter “ON”/”OFF”
TVM
TVO
TVO+
VCOD
VCON
WBON
WMD
WMTH
XTAL
Tuning voltage offset mode
Tuning voltage offset
Additional fixed tuning voltage offset
Tuner VCO divider
STD VCO “ON/OFF”
Weather band mode (ISS filter band width 24 kHz)
Weak signal mute depth
Weak signal mute start point threshold
Xtal frequency fine adjust
46/77
Doc ID 16048 Rev 1