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IC BLOCK DIAGRAM / TERMINAL DESCRIPTION
ADV7172KST (Video Encoder : IC861)
48
47 46 45 44 43 42 41 40 39 38 37
V
1
AA
P0
2
P1
3
P2
4
P3
5
P4
6
P5
7
P6
8
P7
9
CSO_HSO
10
V
11
AA
GND
12
13 14 15 16 17 18 19 20 21 22 23 24
48
43
HSYNC
14
FIELD/
VIDEO TIMING
15
VSYNC
GENERATOR
BLANK
16
RESET
44
TTX
41
TELETEXT
INSERTION BLOCK
TTXREQ
40
8
VCrCb
4:2:2 TO
P0-P7
2
TO
4:4:4
8
(COLOR
|
YUV
INTER-
9
MATRIX
DATA)
POLATOR
8
COMP1
36
DAC A
35
V
34
AA
DAC B
33
V
32
AA
GND
31
V
30
AA
DAC C
29
DACD
28
V
27
AA
GND
26
DAC E
25
10
45
14
20
21
2
I
C MPU PORT
BRIGHTNESS AND
CONTRAST CONTROL
10
ADD SYNC
Y
8
INTERPOLATOR
U
SATURATION CONTROL
10
8
ADD BURST
10
V
8
INTERPOLATOR
REAL-TIME
CONTROL CIRCUIT
39
SCRESET/RTC
17
YUV TO
RGB
MATRIX
YUV
LEVEL
CONTROL
BLOCK
LUMA
PROGRAMMABLE
FILTER
SHARPNESS
FILTER
MODULATOR
PROGRAMMABLE
CHROMA
HUE
FILTER
CONTROL
10
10
SIN/COS
DDS SLOCK
12,13,18,26,31,47
GND
DV-S555
10
10
10BIT
35
DAC A
DAC
10
10
10BIT
33
DAC B
DAC
10
10
10BIT
29
DAC C
DAC
V
37
REF
DAC
CONTROL
22
R
ESET2
BLOCK
23
COMP2
10
10BIT
DAC E
25
DAC
10
10
10BIT
DAC F
24
10
DAC
10
10
10BIT
DAC D
28
DAC
DAC
38
R
CONTROL
ESET1
BLOCK
COMP1
36
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