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PCF8576D Datasheet(PDF) 1 Page - NXP Semiconductors

Part No. PCF8576D
Description  Universal LCD driver for low multiplex rates
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Maker  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
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PCF8576D Datasheet(HTML) 1 Page - NXP Semiconductors

 
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1.
General description
The PCF8576D is a peripheral device which interfaces to almost any Liquid Crystal
Display (LCD) 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. It can be easily
cascaded for larger LCD applications. The PCF8576D 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, by
hardware subaddressing and by display memory switching (static and duplex drive
modes).
2.
Features and benefits
AEC-Q100 compliant (PCF8576DT/S400/2) for automotive applications
Single chip LCD controller and driver
Selectable backplane drive configuration: static or 2, 3, 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 numeric characters
Up to 10 14-segment alphanumeric characters
Any graphics of up to 160 elements
40
× 4-bit RAM for display data storage
Auto-incremented display data loading across device subaddress boundaries
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 6.5 V for high-threshold twisted nematic LCDs
Low power consumption
400 kHz I2C-bus interface
May be cascaded for large LCD applications (up to 2560 elements possible)
No external components required
Compatible with chip-on-glass and chip-on-board technology
Manufactured in silicon gate CMOS process
PCF8576D
Universal LCD driver for low multiplex rates
Rev. 10 — 14 February 2011
Product data sheet


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