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SAA7191B

Digital multistandard colour decoder, square pixel (DMSD-SQP).

Philips Electronics 

Philips Semiconductors

Digital Multistandard Colour Decoder,

Square Pixel (DMSD-SQP)

Product specification

SAA7191B

SYMBOL

SCL

HREF

IICSA

i.c.

Y7

Y6

Y5

Y4

Y3

Y2

VSS3

VDD4

Y1

Y0

UV7

UV6

UV5

UV4

UV3

UV2

UV1

UV0

FEON

FEIN

GPSW0

PLIN

VSS4

RTCO

PIN

DESCRIPTION

41 I2C-bus clock line

42 horizontal reference output for valid YUV data (for active line 768Y or 640Y samples long)

43 set module address input (LOW = 1000 101X; HIGH = 1000 111X)

44 internally connected

45

46

47

Y signal output bits Y7 to Y2 (luminance), part of the digital YUV-bus

48

49

50

51 ground 3 (0 V)

52 +5 V supply input 4

53

Y signal output bits Y1 to Y0 (luminance), part of the digital YUV-bus

54

55

56

57

58

UV signal output bits UV7 to UV0 (colour-difference), part of the digital YUV-bus

59

60

61

62

63 output active flag (active LOW when Y and UV data in high-impedance state)

64 fast enable input (active LOW to control fast switching due to YUV data)

65 Port 0 output for general purpose (programmable); active only at NFEN-bit = 1

66 PAL flag (active LOW at inverted line); SECAM flag (LOW equals DR, HIGH equals DB line)

67 ground 4 (0 V)

68 real-time control output active at NFEN-bit = 1; Fig.8

August 1996

6

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