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APPENDIX
IC DESCRIPTION
1. Abstract.
This specification is 1-Tuner Mono Model for North/South America, CCD 1-Chip MICOM LC863228A.
It is developing software specification for tuning only NTSC and 3 system TV F/S.
* 3 System : NTSC-M, PAL-M, PAL-N.
2. H/W Outline.
1) ROM : 28,672 x 8bits.tsc
: 15,872 x 8 bits for CGROM.
2) RAM : 512 x 8bits.
: 336 x 9bits.(for CRT Display)
3) OSD Function.
Screen Display.
RAM
Display area.
1st control area. : 8 words. x 8 lines.
Characters.
244 patterns programmable.
Up to 244 kinds of 16 x 17 dot characters.
Up to 244 kinds of 8 x 9 dot characters.
Up to 244 kinds of 16 x 32 dot characters used 16K bytes.
Various characters attributes.
Character colors.
Character background colors.
Fringe / shadow colors.
Full screen colors.
Rounding.
Underline.
Italic character.(slanting)
Attribute can be changed without spacing.
Vertical display start line number can be set for each row independently.(Row can be overlapped.)
Horizontal display start position can be set for each row independently.
Different display modes can be set for each row independently.
Caption and Text mode/ OSD mode 1/ OSD mode 2(Quarter size)/ Simplified graphic mode.
Ten character sizes.
Horiz. x Vert. = (1x1),(1x2),(2x2),(2x4),(0.5x0.5)
(1.5x1),(1.5x2),(3x2),(3x4),(0.75x0.5)
Shuttering and scrolling on each row.
3. System Feature.
1) The system for TV tuning is Frequency Synthesis type.
2) Closed Captions function is interior designed.
: 34 characters x 16 lines.(by software)
: 336 words. (9 bits per word)
: 34 words. x 8 lines.
or
: 16 colors
: 16 colors
: 16 colors
: 16 colors
2
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