SAA7110 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

比赛名单

SAA7110

One Chip Front-end 1 (OCF1)

Philips Electronics 

Philips Semiconductors

One Chip Front-end 1 (OCF1)

Product specification

SAA7110; SAA7110A

SYMBOL

Y7

Y6

Y5

Y4

Y3

Y2

VSS

VDD

Y1

Y0

UV7

UV6

UV5

UV4

UV3

UV2

UV1

UV0

FEIN

(MUXC)

GPSW

(VBLK)

XTALO

XTALI

VSS

VDD

PIN

DESCRIPTION

45

46

47 Upper 6 bits of the 8-bit luminance (Y) digital output. As part of the digital YUV-bus

48 (data rate LLC/2), or A/D2(3) output (data rate LLC/2) selectable via I2C-bus bit SQPB = 1.

49

50

51 ground

52 supply voltage (+5 V)

53 Lower 2 bits of the 8-bit luminance (Y) digital output. As part of the digital YUV-bus

54 (data rate LLC/2), or A/D2(3) output (data rate LLC/2) selectable via I2C-bus bit SQPB = 1.

55

56

57 8-bit digital UV (colour difference) output; multiplexed colour difference signal for U and V

58 component of demodulated CVBS or chrominance signal. The format and multiplexing

59 scheme can be selected via I2C-bus control. These signals are part of the digital YUV-bus

60 (data rate LLC/2), or A/D3(2) output (data rate LLC/2) selectable via I2C-bus bit SQPB = 1.

61

62

63 Fast Enable input (active LOW); this signal is used to control fast switching on the digital

YUV-bus. A high at this input forces the IC to set its Y and UV outputs to the high impedance

state. To use this function set I2C-bus bits MS24 and MS34 and MUYC to LOW.

(Multiplex Components input; control signal for the analog multiplexers for fast switching

between locked Y/C signals or locked CVBS signals. FEIN automatically fixed to LOW (digital

YUV-bus enabled), if one of the three MUXC functions are selected (MS24 or MS34 or

MUYC = HIGH).

64 General Purpose Switch output; the state of this signal is programmable via I2C-bus register

0Dh, bit 1. Select GPSW function via I2C-bus bit VBLKA = 0. (Vertical Blank test output; select

VBLK via I2C-bus bit VBLKA = 1).

65 Crystal oscillator output (to 26.8 MHz crystal); not used if TTL clock is used.

66 Crystal oscillator input (from 26.8 MHz crystal) or connection of external oscillator with TTL

compatible square wave clock signal.

67 ground

68 supply voltage (+5 V)

1995 Oct 18

8

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