1. Video Processing
1-1. Features
(1) Video Decoding
- 4 Composite inputs, 1 S-VHS input
- Composite video & sync output
- Intergrated high-quality A/D converters
- Adaptive 2H comb filter Y/C separator
- 1H NTSC comb filter
- Multi-standard color decoder(1 Crystal)
- Multi-standard sync decoder
- Black line detector
(2) Video Decoding
- Horizontal scaling(0.25 to 4)
- Panorma vision
- Black level expander
- Dynamic peaking
- Soft limiter(gamma correction)
- Color transient improvement
(3) RGB Processing
- Programmable RGB matrix
- Digital color bus interface
- Additional analog RGB/Fast blank input
- Half contrast switch
- Picture frame generator
(4) Deflection
- Scan velocity modulation output
- High performance H/V deflection
- Separate ADC for tube measurements
- EHT compensation
(5) Miscellaneous
- One 20.25MHz crystal, few external components
- Embedded RISC controller(80 MIPS)
- I
2
C Bus interface
- Single 5V power supply
- 64 pin PSDIP package
- 5 -
DESCRIPTION OF BLOCK
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
CAPL_M
AHVSUP
CAPL_A
SC1_OUT_L
SC1_OUT_R
VREF1
SC2_OUT_L
SC2_OUT_R
ASG3
NC
DACM_SUB
NC
DACM_L
DACM_R
VREF2
DACA_L
AVSUP
AVSUP
ANA_IN-
TESTEN
XTAL_IN
XTAL_OUT
TP
AUD_CL_OUT
NC
NC
D_CTR_I/O_1
D_CTR_I/O_0
ADR_SEL
STANDBYQ
N
C
N
C
A
V
S
S
A
V
S
S
M
O
N
O
_I
N
N
C
V
R
E
F
T
O
P
S
C
1_
IN
_R
S
C
1_
IN
_L
A
S
G
1
S
C
2_
IN
_R
S
C
2_
IN
_L
A
S
G
2
S
C
3_
IN
_R
S
C
3_
IN
_L
A
S
G
4
S
C
4_
IN
_R
S
C
4_
IN
_L
N
C
A
G
N
D
C
A
H
V
S
S
A
H
V
S
S
N
C
N
C
N
C
I
2
C
_C
L
I
2
C
_D
A
I
2
S
_C
L
I
2
S
_W
S
I
2
S
_D
A
_O
U
T
I
2
S
_D
A
_I
N
1
A
D
R
_D
A
A
D
R
_W
S
A
D
R
_C
L
D
V
S
U
P
D
V
S
U
P
D
V
S
U
P
D
V
S
S
D
V
S
S
D
V
S
S
I
2
S
_D
A
_I
N
2
N
C
N
C
N
C
R
E
S
E
T
Q
N
C
N
C
D
A
C
A
_R
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MSP3440D
1-2. Pin Layout
