LC74770M Description
EN4248A CMOS LSI LC74770M On-Screen Display Controller LSI Overview The LC74770M is a CMOS LSI that implements onscreen display, a function that displays characters and patterns on display screens such as camcorder viewfinder screens under microprocessor control. This LSI displays 12-dot by 18-dot characters. mm 3112-MFP24S [LC74770M].
LC74770M Key Features
- Display format: 24 characters by 12 rows (up to 288 characters)
- Characters displayed: Up to 288 characters
- Character format: 12 (horizontal) × 18 (vertical)
- Characters in font: 128
- Character sizes: Normal and double
- Initial display positions: 64 horizontal positions and 64 vertical positions
- Reverse video function: Characters can be displayed in reverse video specified in units of individual characters
- Blinking types: In character units in one of two periods, 1.0 second and 0.5 second, with a 50% duty
- Outputs: Character and blanking data, with two output systems for each
- External control input: 8-bit serial input format