LC74735NW Overview
.DataSheet.co.kr Ordering number : ENN7545 CMOS IC LC74735NW On-Screen Display Controller Overview The LC74735NW is an on-screen display CMOS IC that displays characters and patterns on a TV screen. For QVGA display, the LC74735NW supports the use of both a 12 × 18 dot character font and a 12 × 18 dot graphics font with 16 colors with a total of 512 characters and glyphs.
LC74735NW Key Features
- Screen structure
- Main: QVGA mode: 40 characters × 13 lines (up to 520 characters) on a QVGA panel WVGA mode: 33 characters × 15 lines (up
- Wallpaper display screen: Permanent repetition of a 2 × 2 (horizontal × vertical) character pattern
- Character structure
- QVGA mode: 12 dots (horizontal) × 18 dots (vertical): Character display 12 dots (horizontal) × 18 dots (vertical): Graph
- WVGA mode: 24 dots (horizontal) × 32 dots (vertical): Character display
- Character display clock: About 9 MHz
- Blinking specification (in character units) Period: 1/64, 1/32, and 1/16 of the vertical sync signal (in screen units) D
- Box (raised or recessed) display Raised/recessed specification (in character units) Left: Off/on specification (in chara