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STV5347 Datasheet

MONOCHIP TELETEXT AND VPS DECODER WITH 4 INTEGRATED PAGES

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STV5347
STV5347/H - STV5347/T
MONOCHIP TELETEXT AND VPS DECODER
WITH 4 INTEGRATED PAGES
. COMPLETE TELETEXT AND VPS DECODER
. INCLUDING AN 4 PAGE MEMORY ON A SIN-
GLE CHIP
UPWARD SOFTWARE COMPATIBLE WITH
. PREVIOUS SGS-THOMSON’s MULTICHIP
SOLUTIONS (SAA5231, SDA5243, STV5345)
PERFORM PDC SYSTEM A (VPS) AND PDC
SYSTEM B (8/30/2) DATA STORAGE SEPA-
RATLY
. DEDICATED “ERROR FREE” OUTPUT FOR
VALID PDC DATA
. INDICATION OF LINE 23 FOR EXTERNAL
USE
. 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 :
STV5347 West European
STV5347/H East European
STV5347/T Turkish & European
SO28
(Plastic Package)
ORDER CODE :
STV5347D West European
STV5347D/H East European
STV5347D/T Turkish & European
PIN CONNECTIONS
DESCRIPTION
The STV5347 teletext decoder is computer-con-
trolled. It can store either 4 teletext pages without
ghost row, or 2 teletextpageswith ghost rows. Data
slicing and capturing extracts the teletext informa-
tion embedded in the composite video signal. Con-
trol is accomplished via a two wire serial I2C bus ®.
Chip address is 22h. Internal ROM provides a
character set suitable to display text using up to
seven national languages.Hardware and software
features allow selectable master/slave synchroni-
zation configurations.The STV5347 also supports
facilities for reception and display of current level
protocol data.
June 1997
CVBS
MA/SL
VDDA
POL
STTV/LFB
FFB
VSSD
R
G
B
RGB REF
BLAN
COR
ODD/EVEN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28 CBLK
27 TEST
26 VSSA
25 VSSO
24 XTI
23 XTO
22 VDDD
21 VCR/TV
20 RESERVED
19 DV
18 L23
17 SDA
16 SCL
15 Y
1/22


STMicroelectronics Electronic Components Datasheet

STV5347 Datasheet

MONOCHIP TELETEXT AND VPS DECODER WITH 4 INTEGRATED PAGES

No Preview Available !

STV5347 - STV5347/H - STV5347/T
PIN DESCRIPTION
Pin No Symbol
1 CVBS
2 MA/SL
3 VDDA
4 POL
5 STTV/LFB
6 FFB
7 VSSD
8R
9G
10 B
11 RGBREF
12 BLAN
13 COR
14 ODD/EVEN
15 Y
16 SCL
17 SDA
18 L23
19 DV
20 RESERVED
21 VCR/TV
22 VDDD
23 XTO
24 XTI
25 VSSO
26 VSSA
27 TEST
28 CBLK
Function
Input
Input
Analog Supply
Input
Output / Input
Input
Ground
Output
Output
Output
Supply
Output
Output
Output
Output
Input
Input/ Output
Output
Output
Test
Input
Digital Supply
Crystal Output
Crystal Input
Ground
Ground
Test
Input / Output
Description
Composite Video Signal Input through Coupling Capacitor
Master/Slave Selection Mode
+5V
STTV / LFB / FFB Polarity Selection
Composite Sync Output, Line Flyback Input
Field Flyback Input
Digital Ground
Video Red Signal
Video Green Signal
Video Blue Signal
DC Voltage to define RGB High Level
Fast Blanking Output TTL Level
Open Drain Contrast Reduction Output
25Hz Output Field synchronized for non-interlaced display
Open Drain Foreground Information Output
Serial Clock Input
Serial Data Input/Output
Line 23 Identification
VPS Data Valid
To be connected to VSSD through a resistor
PLL Time Constant Selection
+5V
Oscillator Output 13.875MHz
Oscillator Input 13.875MHz
Oscillator Ground
Analog Ground
Grounded to VSSA
To connect Black Level Storage Capacitor
Figure
9
11
-
12
15
12
-
13
13
13
13
15
15
15
15
16
17
15
15
15
15
-
14
14
-
-
11
28
BLOCK DIAGRAM
S TTV/LFB FF B MA/SL P OL
5 6 24
VDDD VDDA
22 3
CVBS 1
CBLK 28
CLAMPING
S YNCHRONIZING
Da ta
Clock
DATA DEC ODING
DATA
DATA EXTRACTION
P ROCES S ING
VCR/TV 21
XTI 24
XTO 23
VSSO 25
OS CILLATOR
F REQUENCY
S YNTHETIZER
TIME BASE
S CL 16
S DA 17
2
I C BUS
INTERF ACE
STV534 7
7 26 27
VSSD VSSA TES T
4 P AGE
MEMORY
DISP LAY
INTERFACE
12 BLAN
13 COR
8 RED
9 GREEN
10 BLUE
15 Y
11 14
RGB REF ODD/EVEN
2/22


Part Number STV5347
Description MONOCHIP TELETEXT AND VPS DECODER WITH 4 INTEGRATED PAGES
Maker ST Microelectronics
Total Page 22 Pages
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