STV5346
STV5346/H - STV5346/T
MONOCHIP TELETEXT DECODER
WITH 8 INTEGRATED PAGES
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COMPLETE TELETEXT DECODER INCLUD-
ING AN 8 PAGE MEMORY ON A SINGLE
CHIP
UPWARD SOFTWARE COMPATIBLE WITH
PREVIOUS SGS-THOMSON鈥檚 MULTICHIP
SOLUTIONS (SAA5231, SDA5243, STV5345)
SINGLE +5V SUPPLY VOLTAGE
SINGLE 13.875MHz CRYSTAL
REDUCED SET OF EXTERNAL COMPO-
NENTS, NO EXTERNAL ADJUSTMENT
OPTIMIZED NUMBER OF DIGITAL SIGNALS
REDUCING EMC RADIATION
HIGH DENSITY CMOS TECHNOLOGY
DIGITAL DATA SLICER AND DISPLAY CLOCK
PHASE LOCK LOOP
28 PIN DIP & SO PACKAGE
DIP28
(Plastic Package)
ORDER CODE :
STV5346 West European
STV5346/H East European
STV5346/T Turkish & European
SO28
(Plastic Package)
ORDER CODE :
STV5346D West European
STV5346D/H East European
STV5346D/T Turkish & European
PIN CONNECTIONS
CVBS
MA/SL
V
DDA
POL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CBLK
TEST
V
SSA
V
SSO
XTI
XTO
V
DDD
VCR/TV
RESERVED
RESERVED
RESERVED
SDA
5346-01.EPS
DESCRIPTION
The STV5346 decoder is a computer-controlled
teletext device including an 8 page internal mem-
ory. Data slicing and capturing extracts the teletext
information embedded in the composite video sig-
nal. Control is accomplished via a two wire serial
I
2
C bus
廬.
Internal ROM provides a character set
suitable to display text using up to seven national
languages. Different ROM versions will support
several national character sets. Hardware and soft-
ware features allow selectable master/slave syn-
chronization configurations. The STV5346 also
supports facilities for reception and display of cur-
rent level protocol data.
November 1995
STTV/LFB
FFB
V
SSD
R
G
B
RGB REF
BLAN
COR
ODD/EVEN
SCL
Y
1/21