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LC74731W 데이터시트(PDF) 1 Page - Sanyo Semicon Device |
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1 / 38 page Ordering number : ENN*6526 63000RM (OT) No. 6526-1/38 Overview The LC74731W and LC74732W are on-screen display CMOS ICs that display characters and patterns on a TV screen under the control of a microcontroller. These ICs display 16 × 16-dot characters and up to 12 lines of text with 24 characters per line. Features • Text structure: 12 lines × 24 characters (Up to 288 characters) • Character format: 16 × 16 dots Character display clock frequency: about 9 MHz • Character sizes: Four sizes each in the horizontal and vertical directions with the size set in line units. • Number of characters supported: LC74731W:256 (internal) LC74732W:512 (internal) Up to 8192 using an external ROM (for Japanese) [Reference] JIS X0298 (1990): 6877 characters JIS level 1 kanji: 2965 characters JIS level 2 kanji: 3388 characters Special characters: 524 characters • Display start positions: 128 positions each in the horizontal and vertical directions • Blinking, reverse video, reversed blinking, and character outlining: May be specified in individual character units. • Blinking types: Two types with periods of about 1.0 and about 0.5 seconds. • Blanking: The whole font area (16 ×16 dots) can be blanked in line units (Four types: no blanking, character size blanking, character plus outlining size blanking, and whole area up to adjacent character blanking) • Line spacing control: Zero to seven scan lines, in line units • Character color: Eight colors in character units (in internal synchronization mode): 2 fsc and 4 fsc (Black, red, green, yellow, blue, magenta, cyan, and white) • Character background color: Eight colors (in internal synchronization mode): 2 fsc and 4 fsc (Black, red, green, yellow, blue, magenta, cyan, and transparent) • Screen background color: Eight colors (in internal synchronization mode): 2 fsc and 4 fsc (Black, red, green, yellow, blue, magenta, cyan, and white) • External control inputs: Serial interface with an 8-bit data size. • Built-in sync separator circuit • Video outputs: NTSC, PAL, PALM, PALN, NTSC 4.43, and PAL 60 composite video signal outputs • Supports Y/C input Package Dimensions Preliminary LC74731W,74732W SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN On-Screen Display Controller CMOS IC Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein. 1.25 0.5 1.25 0.18 12.0 116 17 32 33 48 49 64 10.0 0.5 0.5 0.15 SANYO: SQFP64 [LC74731W,74732W] |
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