LC74761M Overview
Ordering number :EN4846A CMOS IC LC74761, 74761M On-Screen Display LSI Overview The LC74761 and LC74761M are on-screen display CMOS LSIs that superimpose text and low-level graphics onto a TV screen (video signal) under microcontroller. The display characters have a 12 by 18 dots structure, and 256 characters are provided. mm 3196-DIP30SD [LC74761].
LC74761M Key Features
- Display structure: 12 lines by 24 characters (up to 288 characters)
- Maximum character display: Up to 288 characters
- Character configuration: 12 (W) by 18 (H) dots structure
- Number of characters: 256 characters (254 plus space 1 font and transparent space 1 font)
- Character sizes: Three sizes (normal, double, and triple sizes)
- Display starting positions: 64 horizontal and 64 vertical locations
- Reverse video function: Characters can be inverted on a per character basis
- Flashing types: Two types with periods of 0.5 and 1.0 second on a per character basis (duty fixed at 50%)
- Background color: One of eight colors (when internal synchronization used)
- External control input: Serial data input in 8-bit units