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PCF8545ATT Datasheet(PDF) 1 Page - NXP Semiconductors |
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PCF8545ATT Datasheet(HTML) 1 Page - NXP Semiconductors |
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1 / 48 page  1. General description The PCE85176AUG is a peripheral device which interfaces to almost any Liquid Crystal Display (LCD)1 with low multiplex rates. It generates the drive signals for any static or multiplexed LCD containing up to four backplanes and up to 40 segments. The PCE85176AUG is compatible with most microcontrollers and communicates via the two-line bidirectional I2C-bus. Communication overheads are minimized by a display RAM with auto-incremented addressing and by display memory switching (static and duplex drive modes). For a selection of NXP LCD segment drivers, see Table 31 on page 40. 2. Features and benefits Single chip LCD controller and driver Selectable backplane drive configuration: static, 2, 3, or 4 backplane multiplexing Selectable display bias configuration: static, 1⁄2, or 1⁄3 Internal LCD bias generation with voltage-follower buffers 40 segment drives: Up to 20 7-segment alphanumeric characters Up to 10 14-segment alphanumeric characters Any graphics of up to 160 elements 40 4-bit RAM for display data storage Display memory bank switching in static and duplex drive modes Versatile blinking modes Independent supplies possible for LCD and logic voltages Wide power supply range: from 1.8 V to 5.5 V Wide logic LCD supply range: From 2.5 V for low-threshold LCDs Up to 5.5 V for high-threshold twisted nematic LCDs Low power consumption 400 kHz I2C-bus interface No external components required Compatible with Chip-On-Glass (COG) technology PCE85176AUG 4 × 40 LCD segment driver for Chip-On-Glass Rev. 1 — 12 January 2015 Product data sheet 1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 19. |
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