STV2246C datasheet(4/76 Pages) STMICROELECTRONICS

Part #	STV2246C

Description	I2C BUS-CONTROLLED MULTISTANDARD SINGLE CHIP TV PROCESSOR

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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STV223XD/224XC - GENERAL DESCRIPTION

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1.2 PIN DESCRIPTION

Table 1. Pin Configuration

Pin N°

Symbol

Description

STV224XC/8XC

STV223XD

SDIP56

TQFP64

1

8

SIFIN1

SIF Input (Please refer to Note 1)

2

9

SIFIN2

SIF Input (Please refer to Note 1)

3

10

AGCSIFCAP

AGC SIF Capacitor (Please refer to Note 1)

411

VREFIF

Voltage Reference Filtering

5

12

AGCPIFCAP

AGC PIF Capacitor

6

13

PIFIN1

PIF Input

7

14

PIFIN2

PIF Input

8

16

TUNERAGCOUT

AGC Tuner Output

9

17

IFPLL

IF PLL Filter

10

18

GNDIF

IF Ground

11

19

AM/FMOUT/SC

AM/FM Mono Sound or Stereo Carriers Output

12

20

VCCIF

5 V IF Supply

13

21

INTCVBSOUT

Internal CVBS Output

14

22

EXTAUDIOIN

External Audio Input

15

23

PIFLC1

LC Input

16

24

PIFLC2

LC Input

17

25

VCC2

Video/Luma Supply Voltage (8 V)

18

26

CVBSIN1

Internal Video Input

19

27

GND2

Video/Luma Ground

20

28

CVBSIN2

External Video Input

21

29

BS

Black Stretch Capacitor

22

34

Y/CVBSIN3

Y(SVHS) or CVBS3 External Input

23

35

CHR

Chroma (SVHS) Input

-

37

UIN

B-Y Input (Please refer to Note 1)

-

38

VIN

R-Y Input (Please refer to Note 1)

-

39

YIN

Y Input (Please refer to Note 1)

-

40

YOUT

Y Output (Please refer to Note 1)

-

41

VOUT

R-Y Output (Please refer to Note 1)

-

42

UOUT

B-Y Output (Please refer to Note 1)

30

43

BOUT

Blue Output

31

44

GOUT

Green Output

32

45

ROUT

Red Output

33

46

ICATH

Cathode Current Measurement Input

34

47

BOSD

OSD Blue Input

35

48

GOSD

OSD Green Input

36

49

ROSD

OSD Red Input

37

50

FBOSD/HC

OSD Fast Blanking Input / Half Contrast on SDIP56 package

38

52

XTAL3/BTUN

3.5X MHz Crystal or Cloche Filter Tuning Capacitor

39

53

XTAL2

3.5X MHz Crystal

40

54

XTAL1

4.43/3.5X MHz Crystal

41

55

CLPF

Chroma PLL Filter

42

56

X1/VAMP/CHROUT

XTAL1 Control Pin, Vertical Amplitude DAC Output and

Chroma Reference Signal Output

1

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