SAA5700 查看數據表（PDF） - Philips Electronics
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产品描述 (功能)
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SAA5700 Datasheet PDF : 24 Pages
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Philips Semiconductors
Chinese Character System Teletext
(CCST) decoder
BLOCK DIAGRAM
Preliminary specification
SAA5700
handbook, full pagewidth
VDDD1 VSS1 VDDD2 VSS2 VSS3 VDDX VSSO VDDA VSSA VSS
4
BLACK
5
CVBS
35 33 48 49 2
19 20 9
8
SYNC
SEPARATOR
FRONT END
ACQUISITION
TIMING
14,16,
26
10
REF+
6
STN
7
IREF
DATA
ACQUISITION
12 MHz
PACKET
BUFFER
BUS
OSCILLATOR
AND CLOCK
GENERATOR
1
6 MHz 64
59
63
60
PROCESSOR
61
BLOCK
62
24 MHz
OSCOUT
OSCIN
RESET
DCL
DDA
SCL
SDA
ROMCS
RAS
CAS
WE
RA10 to RA0
RD7 to RD0
27
42
53
44
54, 41, 40,
38 to 36,
32 to 28
MEMORY
INTERFACE
55 to 58,
52, 51,
47, 46
SAA5700
DISPLAY
INTERFACE
21
R
22
G
23
B
24
BLAN
DISPLAY
TIMING
17
LFB
18
FFB/STTV
25
ODD/EVEN
DISPLAY SECTION
MGG539
1997 May 16
Fig.1 Block diagram.
3
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