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LC74794 - On-Screen Display Controller LSI

Key Features

  • Display format: 24 characters by 12 rows (Up to 288 characters).
  • Character format: 12 (horizontal) × 18 (vertical) dots.
  • Character sizes: Three sizes each in the horizontal and vertical directions.
  • Characters in font: 128.
  • Initial display positions: 64 horizontal positions and 64 vertical positions.
  • Blinking: Specifiable in character units.
  • Blinking types: Two periods supported: 1.0 second and 0.5 second.
  • Blanking: Over the.

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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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Ordering number : EN*5557 CMOS LSI LC74794, 74794M On-Screen Display Controller LSI Preliminary Overview The LC74794 and LC74794M are CMOS LSIs for onscreen display, a function that displays characters and patterns on a TV screen under microprocessor control. They feature a built-in PDC/VPS/UDT interface circuit. These LSIs support 12 × 18 dot characters and can display 12 lines by 24 characters of text.