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LC74725M

Sanyo Semicon Device
Part Number LC74725M
Manufacturer Sanyo Semicon Device
Description On-Screen Display Controller LSI
Published Mar 22, 2005
Detailed Description Ordering number : EN5213A CMOS LSI LC74725, 74725M On-Screen Display Controller LSI Overview The LC74725 and LC74725M...
Datasheet PDF File LC74725M PDF File

LC74725M
LC74725M

Overview
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 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.
Package Dimensions unit: mm 3067-DIP24S [LC7425] 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 • Blue background screen display: Available in internal synchronization mode • External control input: 8-bit serial input format • Built-in sync separator circuit • EDS support • Video outputs: Composite video signal output in either NTSC or PAL-M • Package: 24-pin plastic DIP (300 mil) 24-pin plastic MFP (375 mil) SANYO: DIP24S 3045B-MFP24 [LC7425M] SANYO: MFP24 SANYO Electric Co.
,Ltd.
Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg.
, 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 41096HA (OT)/O3195HA (OT) No.
5213-1/16 LC74725, 74725M Pin Assignment Pin Functions Pin No.
1 2 3 4 5 6 7 Symbol VSS1 XtalIN XtalOUT CTRL1 LN21 OSCIN OSCOUT Crystal oscillator input switching Data output LC oscillator Ground Crystal oscillator Function 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).
Switches between external clock input mode and crystal oscil...


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