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LC74725 - On-Screen Display Controller LSI

General Description

Ground connection (digital system ground) Connections for the external crystal and capacitors used to form a crystal oscillator for internal synchronizing signal generation.

Alternatively, these pins can be used for external clock input (2fsc or 4fsc).

Key Features

  • Display format: 24 characters by 10 lines (up to 240 characters).
  • Character format: 8 (horizontal) × 8 (vertical) dots (interpolation function provided).
  • Character sizes: Two horizontal and two vertical sizes.
  • Characters in font: 64 characters.
  • Initial display positions: 64 horizontal positions and 64 vertical positions.
  • Blinking: Specifiable on a per-character basis.
  • Blinking types: Two periods, 1.0 second and 0.5 second.

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Full PDF Text Transcription for LC74725 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for LC74725. For precise diagrams, and layout, please refer to the original PDF.

Ordering number : EN5213A CMOS LSI LC74725, 74725M On-Screen Display Controller LSI Overview The LC74725 and LC74725M are built-in EDS on-screen display controller CMOS L...

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4725 and LC74725M are built-in EDS on-screen display controller CMOS LSI products that display characters and patterns on a TV screen under microprocessor control. The characters displayed have an 8 × 8 dot format, and a dot interpolation function is provided. These LSIs can display ten lines of 24 characters each.

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