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SAA5261PS/113 데이터 시트보기 (PDF) - Philips Electronics
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SAA5261PS/113
10-page intelligent teletext decoders
Philips Electronics
SAA5261PS/113 Datasheet PDF : 28 Pages
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Philips Semiconductors
10-page intelligent teletext decoders
Product specification
SAA5261; SAA5262; SAA5263
BLOCK DIAGRAM
handbook, full pagewidth
43
POWER-ON
RESET
RESET
27
FRAME
PON RGBREF G
VDS COR
B
R
35 30 29 31 32 33 34
VDDA VDDD(T) VDDD(M)
38
39
44
DISPLAY
DRAM
REFRESH
AND TIMING
10 k
×
8
DRAM
9 to 12
res
24 TO 18
HAMMING
DECODER
TELETEXT
PL
21 ACQUISITION
AND
DECODING
SERIAL-TO-
PARALLEL
CONVERTER
DATA SLICER
AND CLOCK
REGENERATOR
PACKET 26
PROCESSING
ENGINE
SAA526xPS
VPS
ACQUISITION
AND
DECODING
WSS
ACQUISITION
AND
DECODING
TELETEXT
OR
VPS
CONTROL
INPUT CLAMP
AND SYNC
SEPARATOR
MEMORY
INTERFACE
SYSTEM
CONTROLLER
I
2
C-BUS
INTERFACE
52
E/W
20
16
PDI
SA
48
DISLCBD
17
FP
47
DIS8/30
18
HSMODE
46
DISDSR
19
VSMODE
45
PUINL
1-8
V0-V7
51
ME8/30T
15
SDA1
14
SCL1
50
SDA2
49
SCL2
DISPLAY
CLOCK
GENERATOR
25
BLACK
36
HSYNC
37
VSYNC
26
ANALOG-
Iref
REFERENCE
GENERATOR
22 13 28
VSSA VSSD1 VSSD2
ANALOG-
TO-DIGITAL
CONVERTER
23
CVBS1
24
CVBS2
1998 Apr 22
Fig.1 Block diagram.
4
12 MHz
CLOCK
GENERATOR
40
OSCGND
42
XTALO
41
XTALI
MGL418
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