LC74787 PDF Datasheet
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Description
This is On-Screen Display Controller. Ordering number : EN5730A
CMOS IC
LC74787, 74787M, 74787JM
On-Screen Display Controller
Overview
The LC74787, LC74787M, and LC74787JM are onscreen display controller CMOS ICs that display characters and patterns on the TV screen under microprocessor control. These ICs support 12 × 18 dot characters and can display 12 lines by 24 characters of text.
Package Dimensions
unit: mm 3067-DIP24S
[LC74787]
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: 256 (254 characters, one spacing character, and one transparent spacing character) Initial display positions: 64 horizontal positions and 64 vertical positions Blinking: Specifiable in character units Blinking types: Two periods supported: About 1.0 second and about 0.5 second Blanking: Over the whole font (12 × 18 dots) Background color: 8 colors (i.