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| UC1605(i) Single-Chip, Ultra -Low Power 80COM x 128SEG Matrix Passive LCD Controller-Driver * Special driver structure and gray shade modulation scheme. Sharp image and ultralow power consumption under all display patterns. Support four multiplexing rates (40, 50, 64, 80), four frame rates and 48-32-48 partial display function. Self-configuring 6x charge pump with onchip pumping capacitor requires only 3 external capacitors to operate. Flexible data addressing/mapping schemes to support wide ranges of software models and LCD layout placements. Software programmable 4 temperature compensation coefficients. On-chip bypass capacitor for V LCD makes VLCD bypass capacitor optional for small LCD panels. On-chip Power-ON-Reset and Software Reset commands, make RST pin optional. Very low pin count (9-pin, with I C) allows exceptional image quality in COG format on conventional ITO glass. VDD (digital) range: 2.4V ~ 3.3V VDD (analog) range: 2.4V ~ 3.3V LCD VOP range: 6.5V ~ 11.5V Available in gold bump dies Bump pitch: 55M min. Bump gap: 20M min. 2 INTRODUCTION UC1605(i) is an advanced high-voltage mixedsignal CMOS IC, especially designed for the display needs of ultra-low power hand-held devices. This chip employs UltraChip's unique DCC (Direct Capacitor Coupling) driver architecture to achieve near crosstalk free images. In addition to low power COM and SEG drivers, UC1605(i) contains all necessary circuits for high-V LCD power supply, bias voltage generation, timing generation and graphics data memory. Advanced circuit design techniques are employed to minimize external component counts and reduce connector size while achieving extremely low power consumption. M AIN APPLICATIONS * Cellular Phones, Smart Phones, PDA and other battery operated palm top devices and/or portable Instruments * * * * * * * FEATURE HIGHLIGHTS * Single chip controller-driver supports 4shade-per-pixel, 80 COM x 128 SEG LCD, with vertical scroll and soft ICON support. Available either with or without I C license. Support industry standard 8-bit parallel interface (8080 or 6800), 4-wire SPI (S8), 2 and 2-wire I C serial interface. 2 * * * * BLOCK DIAGRAM PAGE ADDRESS GENERATOR ROW ADDRESS GENERATOR DATA RAM I/O BUFFER POWER-ON & RESET CONTROL COLUMN ADDRESS GENERATOR LEVEL SHIFTER CLOCK & TIMING GEN. DISPLAY DATA RAM CONTROL & STATUS REGISTER DISPLAY DATA LATCHES COMMAND DECODER HOST INTERFACE LEVEL SHIFTERS COLUMN DRIVERS V LCD & BIAS GENERATOR CL C B0 C B1 1605 v1.7D ROW DRIVERS |
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