On-Screen Display Controller
Ordering number : EN5732A
CMOS IC
LC74789, 74789M, 74789JM
On-Screen Display Controller
Overview
The LC74789, LC74789...
Description
Ordering number : EN5732A
CMOS IC
LC74789, 74789M, 74789JM
On-Screen Display Controller
Overview
The LC74789, LC74789M, and LC74789JM 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
[LC74789]
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 (internal synchronization mode): 2fSC and 4fSC Line background color — Can be set for 3 lines — Line background color: 8 colors (internal synchronization mode): 2fSC and 4fSC External control input: 8-bit serial input format On-chip sync separator circuit Video outputs: NTSC, PAL, PAL-N, PAL-M, NTSC 4.43, and PAL60 format composite video outputs Package — 24-pin plastic DIP-24S (300 mil) — 24-pin plastic MFP-24 (375 mil) — 24-pin plastic MFP-24S (300 mil)
SANYO: DIP24S
unit: mm 3045B-M...
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