Samsung SSC-12P Manual de usuario descargar pdf (Pagina 24)

10. INT interrupt

11. IN1 V/R Input for external YUV/RGB source

12. IN2 Y/G Input for external YUV/RGB source

13. IN3 U/B Input for external YUV/RGB source

14. FSW fast switch input for YUV/RGB switch

15. SEL fast blanking output for PIP

16. OUT3 analog output: chrominance signal +(B-Y) or -(B-Y) or B

17. OUT2 analog output: luminance signal Y or G

18. OUT1 analog output: chrominance signal +(R-Y) or -(R-Y) or R

19. VDDA2 analog supply voltage (V DDA ) for DAC

20. VSSA2 analog ground (V SS ) for DAC

21. VREFH reference voltage for ADC and DAC (high)

22. VDDA1 analog supply voltage (V DDA ) for ADC

23. VSSA1 analog ground (Vss) for ADC

24. CVBS3 CVBS Input 3 or C (selectable via I²C-bus)

25. VREFL reference voltage for ADC (low)

26. CVBS2 CVBS Input 2 or Y (selectable via I²C-bus)

27. VREFM reference voltage for ADC(medium)

28. CVBS1 CVBS Input 1 (selectable via I²C-bus)

TDA9886

I²C-bus controlled single/multistandard alignment-free IF-PLL

The TDA9886 is an alignment-free multistandard (PAL, SECAM and NTSC) vision IF signal PLL demodulator for positive

and negative modulation.

Features

n 5 V supply voltage

n Gain controlled wide-band Vision Intermediate Frequency (VIF) amplifier (AC-coupled)

n Multistandard demodulation with active carrier regeneration

n Gated phase detector for L/L accent standard

n Fully integrated VIF Voltage Controlled Oscillator (VCO), alignment-free; frequencies switchable for all negative

and positive modulated standards via I²C-bus

n Digital acquisition help, VIF frequencies of 33.4, 33.9, 38.0, 38.9, 45.75 and 58.75 MHz

n 4 MHz reference frequency input [signal from PLL tuning system] or operating as crystal oscillator

n VIF Automatic Gain Control (AGC) detector for gain control,

n Fully digital Automatic Frequency Control (AFC) detector with 4-bit digital-to-analog converter;

n Alignment-free selective FM-PLL demodulator with high linearity and low noise

n I²C-bus control for all functions

PINNING

1. VIF1 VIF differential input 1

2. VIF2 VIF differential input 2

3. OP1 Output 1 (open-collector)

4. FMPLL FM-PLL for loop filter

5. DEEM De-emphasis output for capacitor

6. AFD AF decoupling input for capacitor

7. DGND Digital ground

8. AUD Audio output

9. TOP Tuner AGC TakeOver Point (TOP)

10. SDA I² C-bus data input/output

11. SCL I² C-bus clock input

12. SIOMAD Sound intercarrier output and MAD select

13. NC Not connected

14. TAGC Tuner AGC output

15. REF 4 MHz crystal or reference input

16. VAGC VIF-AGC for capacitor

17. CVBS Video output

18. AGND Analog ground

19. VPLL VIF-PLL for loop filter

20. VP Supply voltage (+5 V)

21. AFC AFC output

22. OP2 Output 2 (open-collector)

23. SIF1 SIF differential input 1

24. SIF2 SIF differential input 2

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Samsung SSC-12P Manual de usuario Pagina 24

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