LC74798M Overview
EN5833 CMOS IC LC74798, 74798M On-Screen Display Controller IC Overview The LC74798 and LC74798M are on-screen display controller CMOS ICs that display characters and patterns on the TV screen under microprocessor control. These ICs include a built-in PDC/VPS/UDT interface circuit. mm 3193-DIP30SD [LC74798].
LC74798M Key Features
- Display format: 24 characters by 12 rows (Up to 288 characters)
- Character format: 12 (horizontal) × 18 (vertical) dots
- Character sizes: Three sizes each in the horizontal and vertical directions
- Characters in font: 128
- Initial display positions: 64 horizontal positions and 64 vertical positions
- Blinking: Specifiable in character units
- Blinking types: Two periods supported: 1.0 second and 0.5 second
- Blanking: Over the whole font (12 × 18 dots)
- Background color
- 8 colors (internal synchronization mode): 4fSC