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LC74735NW - On-Screen Display Controller

General Description

Connect a ground to this pin.

(Digital system ground) Connect to the character output dot clock generator oscillator coil and capacitor.

May also be used for external clock input.

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 to 495 characters) on a WVGA panel.
  • 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): Graphic glyph display.
  • WVGA mode: 24.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.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. For WVGA display, the LC74735NW supports the use of both a 24 × 32 dot character font and a 12 × 16 dot graphics font with 16 colors with a total of 512 characters and glyphs. The LC74735NW can also implement extremely varied displays by the use of an external ROM. The LC74735NW supports both QVGA (480 × 234) and WVGA (800 × 480).