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LC75816W Datasheet(PDF) 1 Page - Sanyo Semicon Device |
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LC75816W Datasheet(HTML) 1 Page - Sanyo Semicon Device |
1 / 43 page Ordering number : ENN7142 21202TN (OT) No. 7142-1/43 LC75816E, 75816W SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 1/8 to 1/10 Duty Dot Matrix LCD Display Controllers/Drivers with Key Input Function 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. • CCB is a trademark of SANYO ELECTRIC CO., LTD. • CCB is SANYO’s original bus format and all the bus addresses are controlled by SANYO. Overview The LC75816E and LC75816W are 1/8 to 1/10 duty dot matrix LCD display controllers/drivers that support the display of characters, numbers, and symbols. In addition to generating dot matrix LCD drive signals based on data transferred serially from a microcontroller, the LC75816E and LC75816W also provide on-chip character display ROM and RAM to allow display systems to be implemented easily. These products also provide up to 2 general-purpose output ports and incorporate a key scan circuit that accepts input from up to 30 keys to reduce printed circuit board wiring. Features • Key input function for up to 30 keys (A key scan is performed only when a key is pressed.) • Controls and drives a 5 × 7, 5 × 8, or 5 × 9 dot matrix LCD. • Supports accessory display segment drive (up to 65 segments) • Display technique: 1/8 duty 1/4 bias drive (5 × 7 dots) 1/9 duty 1/4 bias drive (5 × 8 dots) 1/10 duty 1/4 bias drive (5 × 9 dots) • Display digits: 13 digits × 1 line (5 × 7 dots) 12 digits × 1 line (5 × 8 dots, 5 × 9 dots) • Display control memory CGROM: 240 characters (5 × 7, 5 × 8, or 5 × 9 dots) CGRAM: 16 characters (5 × 7, 5 × 8, or 5 × 9 dots) ADRAM: 13 × 5 bits DCRAM: 52 × 8 bits • Instruction function Display on/off control Display shift function • Sleep mode can be used to reduce current drain. • Built-in display contrast adjustment circuit • Switching between the key scan output port and general- purpose output port functions can be controlled by instructions. • The frame frequency of the common and segment output waveforms can be controlled by instructions. • Serial data I/O supports CCB format communication with the system controller. • Independent LCD driver block power supply VLCD • A voltage detection type reset circuit is provided to initialize the IC and prevent incorrect display. • The INH pin is provided. This pin turns off the display, disables key scanning, and forces the general-purpose output ports to the low level. • RC oscillator circuit |
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