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LC74789JM

Sanyo Semicon Device
Part Number LC74789JM
Manufacturer Sanyo Semicon Device
Description On-Screen Display Controller
Published Mar 22, 2005
Detailed Description Ordering number : EN5732A CMOS IC LC74789, 74789M, 74789JM On-Screen Display Controller Overview The LC74789, LC74789...
Datasheet PDF File LC74789JM PDF File

LC74789JM
LC74789JM

Overview
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-MFP24 [LC74789M] SANYO: MFP24 unit: mm 3112-MFP24S [LC74789JM] SANYO: MFP24S SANYO Electric Co.
,Ltd.
Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg.
, 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 30698HA (OT) No.
5732-1/23 LC74789, 74789M, 74789JM Pin Assignment A08696 Pin Functions Pin No.
1 2 Pin Name VSS1 XtalIN XtalOUT (MUTE) Crystal oscillator (MUTE input) Function Ground Ground connection (digital system ground) These pins are used either to connect the crystal a...


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