SAA7187 Просмотр технического описания (PDF) - Philips Electronics
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SAA7187 Datasheet PDF : 36 Pages
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Philips Semiconductors
Digital video encoder (DENC2-SQ)
BLOCK DIAGRAM
Preliminary specification
SAA7187
KEY
OSD0
to OSD2
RTCI
VDDD1
to VDDD4
VDDA1
to
VrefH VDDA4
II
VP1
20 to 27
(7 to 0)
8
VP2
(0 to 7)
9 to 16
8
31 32 to 34
DATA
MANAGER
43
ENCODER
17,37,42,67
OUTPUT
INTERFACE
47 55 48,50,
54,56
53
A
51
D
49
CVBS
Y
CHROMA
RCM1
RCM2
8
8
8
52 VSSA
internal control bus
46 VrefL
29
30
8
clock timing signals
8
SAA7187
1,8,19
28,35,
62
63 to 66
2 to 5
8
CONTROL
INTERFACE
SYNC
CLK
68 61 59 60 58 57
41 40 38 39 36 6 7
18
VSSD1
to
VSSD6
VP3
CS/SA A0/SDA RESET XTALI
LLC CDIR RCV2 n.c.
(0 to 7)
RW/SCL DTACK
SEL_MPU
XTALO CREF RCV1
MBG253
Fig.1 Block diagram.
1995 Sep 21
3
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