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IC Description
1. Abstrack.
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 8bits for CGROM.
2) RAM : 512 x 8bits
: 336 x 9bits. (for CRT Display)
3) OSD Function.
• Screen Display : 34 characters x 16 lines. (by software)
• RAM : 336 words. (9 bits per word)
Display area. : 34 words. x 8 lines.
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.
or
Up to 244 kinds of 16 x 32 dot characters used 16K bytes.
• Various characters attributes.
Character colors. : 16 colors
Character background colors. : 16 colors
Fringe / shadow colors. : 16 colors
Full screen colors. : 16 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.
APPENDIX