LC74760M Description
EN4453A CMOS IC LC74760, 74760M On-Screen Display IC Overview The LC74760 and LC74760M are on-screen display CMOS ICs that superimpose text and low-level graphics onto a TV screen (video signal) under microprocessor control. The display characters have a 12 by 18 dot structure, and 128 characters are provided. The display area consists of 12 lines of 24 characters each.
LC74760M Key Features
- Display structure: 12 lines by 24 characters (up to 288 characters)
- Number of displayed characters: Up to 288 characters
- Character configuration: 12 (W) by 18 (H) dot structure
- 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
- Built-in horizontal/vertical sync separation circuit, AFC circuit, and synchronization detector