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SAA7121

Digital Video Encoder (ConDENC)

Philips Electronics 

Philips Semiconductors

Digital Video Encoder (ConDENC)

Preliminary specification

SAA7120; SAA7121

SYMBOL PIN

VSSD3

38

VDDD3

39

RESET

40

SCL

41

SDA

42

TTXRQ

43

TTX

44

I/O

DESCRIPTION

I digital ground 3

I digital supply voltage 3

I reset input, active LOW; after reset is applied, all digital I/Os are in input mode;

the I2C-bus receiver waits for the START condition

I I2C-bus serial clock input

I/O I2C-bus serial data input/output

O teletext request output, indicating when bit stream is valid

I teletext bit stream input

handbook, full pagewidth

res. 1

SP 2

AP 3

LLC 4

VSSD1 5

VDDD1 6

RCV1 7

RCV2 8

MP7 9

MP6 10

MP5 11

SAA7120

SAA7121

33 VSSA2

32 VSSA1

31 VDDA3

30 CVBS

29 res.

28 VDDA2

27 Y

26 res.

25 VDDA1

24 C

23 res.

MBH790

Fig.2 Pin configuration.

1997 Jan 06

5

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