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LC74799 Datasheet On-Screen Display Controller

Manufacturer: SANYO (now Panasonic)

General Description

s Pin No.

1 2 Pin name VSS1 XtalIN Crystal oscillator 3 XtalOUT (MUTE) (MUTE input) Ground Function Ground connection (digital system ground) These pins are used either to connect the crystal and capacitors used to form an external crystal oscillator c

Overview

Ordering number : EN5834 CMOS IC LC74799, 74799M On-Screen Display Controller IC Overview The LC74799 and LC74799M are on-screen display controller CMOS ICs that display characters and patterns on the TV screen under microprocessor control.

These ICs include a built-in PDC/VPS/UDT interface circuit.

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.