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1. V ideo 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
1-2. Pin Layout
64 63 62 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
GNDF
65
VRT
66
I2CSEL
67
ISGND
68
VSUPF
69
VOUT
70
CIN
71
VIN1
72
VIN2
73
VIN3
74
VIN4
75
VSUPAI
76
GNDAI
77
VREF
78
FB1IN
79
AISGND
80
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
(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
VPC3230D
No.51932
AV-15LCG
AV-15LCH
AV-15LCS
65
Y0
66
Y1
67
Y2
68
Y3
69
VSUPY
70
GNDY
71
Y4
72
Y5
73
Y6
74
Y7
75
GNDLLC
76
VSUPLLC
LLC1
77
78
LLC2
79
VSUPPA
80
GNDPA
11
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