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STV5438 bảng dữ liệu(PDF) 1 Page - STMicroelectronics

tên linh kiện STV5438
Giải thích chi tiết về linh kiện  MONOCHIP TELETEXT AND VPS DECODER WITH 8 INTEGRATED PAGES
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STV5438 bảng dữ liệu(HTML) 1 Page - STMicroelectronics

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May 2004
STV5348
STV5348/H - STV5348/T
MONOCHIP TELETEXT AND VPS DECODER
WITH 8 INTEGRATED PAGES
REV. 2
FEATURES SUMMARY
COMPLETE TELETEXT AND VPS DECODER
INCLUDING AN 8 PAGE MEMORY ON A
SINGLE CHIP
UPWARD SOFTWARE COMPATIBLE WITH
PREVIOUS ST’s MULTICHIP SOLUTIONS
(SAA5231, SDA5243, STV5345)
PERFORM PDC SYSTEM A (VPS) AND PDC
SYSTEM B (8/30/2) DATA STORAGE
SEPARATELY
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
COMPONENTS, 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
DESCRIPTION
The STV5348 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
I2C bus ®. Chip address is 22h. Internal ROM pro-
vides a character set suitable to display text using
up to seven national languages. Hardware and
software features allow selectable master/slave
synchronization configurations. The STV5348
also supports facilities for reception and display of
current level protocol data.
Figure 1. Package
Figure 2. Pin Connections
PDIP28 (Plastic Package)
SO28 (Plastic Package)
1
2
3
4
5
6
28
27
26
25
24
23
7
8
9
22
21
20
10
19
11
18
12
17
13
16
14
15
R
B
G
VDDA
CVBS
MA/SL
POL
STTV/LFB
VSSD
FFB
RGB REF
BLAN
COR
ODD/EVEN
VSSA
VSSO
VDDD
CBLK
TEST
XTI
XTO
VCR/TV
RESERVED
DV
L23
SDA
SCL
Y


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