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STV223X Datasheet(PDF) 45 Page - STMicroelectronics |
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STV223X Datasheet(HTML) 45 Page - STMicroelectronics |
45 / 86 page STV224XH/228XH/223XH - I²C BUS SELECTION 45/86 6 I²C BUS SELECTION 6.1 SUMMARY INPUT SIGNALS (WRITE MODE) “Not-to-be-used” data must be set to “0”. Reg. Addr. (Hex) Data D7 Data D6 Data D5 Data D4 Data D3 Data D2 Data D1 Data D0 00 PIFVCO Free Running Fine Adjustment Not to be used 01 PIF Over-modu- lation AFC Defeat L/L’ Mode NEG/POS Modulation PIFVCO Free Running Coarse Adjustment 02 CVBS Out- put Overmodu- lation Reset Not to be used INTCVBS Output Amplitude Adjustment 03 Tuner AGC gain Tuner AGC Starting Point Adjustment 04 Intercarrier Filter ON/ OFF QSS and AM demod defeat FM/AM Output Selection (Note 1) FM Demod. Defeat FM Deviation and FM De-emphasis, Audio FM Wide mode (Note 1) Main Audio Output selection (int./ext.) 05 Volume Control Curve Volume Control 06 Not to be used QSS/ Inter-carrier CVBS Mute Not to be used (SDIP56) SAW Filter Switch (TQFP64) AGC SIF Time Con- stant Sound Standard Selection PIF VCO compensa- tion 07 Blue Screen RGB Peak Limitation (Note 2) Contrast 08 Oversize Blanking Half Contrast Saturation 09 CO Blanking RGB Blanking Brightness 0A RGBext/YCrCb Insertion (Note 2) Red Drive Adjustment 0B NTSC Set- up Black Stretch Green Drive Adjustment 0C LSB RED Cut-off Counter CO Freeze Blue Drive Adjustment 0D Manual Cut-off Selection Red Cut-off Adjustment 0E LSB GREEN Cut-off Counter Not to be used Green Cut-off Adjustment 0F White inser- tion ON/OFF CVBS2 ON/OFF Chroma Trap ON/ OFF (Note 1) Coring ON/OFF Peaking 10 White Insertion (Note 2) CRT/LCD Display RGBosd Contrast Selection APR Threshold APR on/off |
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