STV5438(2004) 查看數據表（PDF） - STMicroelectronics
零件编号
产品描述 (功能)
生产厂家
STV5438 Datasheet PDF : 30 Pages
| |||
STV5348
MONOCHIP TELETEXT AND VPS DECODER
WITH 8 INTEGRATED PAGES
FEATURES SUMMARY
■ COMPLETE TELETEXT AND VPS DECODER
INCLUDING AN 8 PAGE MEMORY ON A
SINGLE CHIP
Figure 1. Package
■ 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
t(s ■ DEDICATED "ERROR FREE" OUTPUT FOR
c VALID PDC DATA
du ■ INDICATION OF LINE 23 FOR EXTERNAL
ro USE
P ■ SINGLE +5V SUPPLY VOLTAGE
te ■ SINGLE 13.875MHz CRYSTAL
le ■ REDUCED SET OF EXTERNAL
o COMPONENTS, NO EXTERNAL
s ADJUSTMENT
Ob ■ OPTIMIZED NUMBER OF DIGITAL SIGNALS
- REDUCING EMC RADIATION
) ■ HIGH DENSITY CMOS TECHNOLOGY
t(s ■ DIGITAL DATA SLICER AND DISPLAY
c CLOCK PHASE LOCK LOOP
du ■ 28 PIN DIP & SO PACKAGE
Pro DESCRIPTION
te The STV5348 decoder is a computer-controlled
le teletext device including an 8 page internal mem-
ory. Data slicing and capturing extracts the teletext
o information embedded in the composite video sig-
bs nal. Control is accomplished via a two wire serial
OI2C bus ®. Chip address is 22h. Internal ROM pro-
PDIP28 (Plastic Package)
SO28 (Plastic Package)
Figure 2. Pin Connections
CVBS 1
MA/SL 2
VDDA
3
POL
4
STTV/LFB
5
FFB
6
VSSD
7
R
8
G
9
28 CBLK
27 TEST
26
VSSA
25
VSSO
24 XTI
23 XTO
22
VDDD
21 VCR/TV
20 RESERVED
vides a character set suitable to display text using
up to seven national languages. Hardware and
B
10
19 DV
software features allow selectable master/slave
RGB REF
11
18 L23
synchronization configurations. The STV5348
also supports facilities for reception and display of
BLAN
12
17 SDA
current level protocol data.
COR
13
16 SCL
ODD/EVEN
14
15 Y
May 2004
REV. 2
1/30
Share Link: 