LC74731W Overview
LC74731W LC74732W CMOS LSI On-Screen Display Controller .onsemi. Overview The LC74731W and LC74732W are on-screen display CMOS ICs that display characters and patterns on a TV screen under the control of a microcontroller. These ICs display 16 16-dot characters and up to 12 lines of text with 24 characters per line.
LC74731W Key Features
- Text structure : 12 lines 24 characters (Up to 288 characters)
- Character format : 16 16 dots
- Character sizes : Four sizes each in the horizontal and vertical directions with the size set in line units
- Number of characters supported
- Display start positions : 128 positions each in the horizontal and vertical directions
- Blinking, reverse video, reversed blinking, and character outlining : May be specified in individual character units
- Blinking types : Two types with periods of about 1.0 and about 0.5 seconds
- Blanking : The whole font area (16 16 dots) can be blanked in line units
- Line spacing control : Zero to seven scan lines, in line units
- Character color : Eight colors in character units (in internal synchronization mode) : 2 fsc and 4 fsc
