STV5342 datasheet(1/20 Pages) STMICROELECTRONICS

Nome de Peças	STV5342

Descrição Electrónicos	TELETEXT DECODER WITH 4 INTERGATED PAGES

PDF	20 Pages

Scroll/Zoom	100%

Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

Página de início	http://www.st.com

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1 / 20 page

STV5342

TELETEXT DECODER WITH 4 INTEGRATED PAGES

April 1994

.

COMPLETE TELETEXT DECODER INCLUD-

ING ON-CHIP 4 PAGES MEMORY, REDUC-

ING EMC RADIATIONS

.

UPWARD

SOFTWARE AND HARDWARE

COMPATIBLE WITH PREVIOUS SGS-THOM-

SON’s DECODER SDA5243

.

AUTOMATIC SELECTION OF UP TO SIX NA-

TIONAL LANGUAGES

.

4 SIMULTANEOUS PAGE REQUESTS

.

DISPLAY OF THE 25TH STATUS ROW

.

MICROPROCESSOR CONTROL VIA AN I

2C

BUS (SLAVE ADDRESS 0010001 R/W)

.

DATA

ACQUISITION

AVAILABLE

FROM

LINES 2 TO 22 OR FROM A COMPLETE

FIELD

.

HIGH QUALITY DISPLAY USING A CHARAC-

TER MATRIX OF 12 x 10 DOTS

.

SINGLE + 5V SUPPLY VOLTAGE

.

ON-CHIP

MASK PROGRAMMABLE ROM

CHARACTER GENERATORS

.

HCMOS PROCESS

1

2

3

4

5

6

7

8

9

10

11

12

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

13

14

15

16

17

18

19

20

24

23

22

21

TTD

TTC

ODD/EVEN

F6

SAN D

TCS/SCS

R

G

B

COR

BL AN

Y

SCL

SDA

VDD

VSS

VCS

RESERVED

PIN CONNECTIONS

DESCRIPTION

The STV5342 is a HCMOS integrated circuit which

performs all the processing of logical data within a

625 lines system teletext decoder. It is designed to

operate in conjunction with one-chip : the SAA5231

integrated chip which extracts Teletext information

embedded in a composite video signal. Up to 4

pages of display data can be stored in internal

memory. A complete system also comprises a mi-

croprocessor controlling the STV5342 via a 2-wires

serial bus. An on-chip ROM memory contains the

character sets. The STV5342 performs automatic

selection of one of up to six natural languages. Data

bytes may be decoded in either 7-Bit plus parity or

in full 8-Bit formats. The chip set also supports

facilities for reception and display of higher-level

protocol data.

DIP40

(Plastic Package)

ORDER CODE : STV5342

1/20

Nº de peça semelhante - STV5342

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