Universal LCD driver
Description
INTEGRATED CIRCUITS
DATA SHEET
PCF8533 Universal LCD driver for low multiplex rates
Product specification Supersedes data of 1999 Mar 12 File under Integrated Circuits, IC12 1999 Jul 30
Philips Semiconductors
Product specification
Universal LCD driver for low multiplex rates
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15 FEATURES GENERAL DESCRIPTION ORDERING INFORMATION BLOCK DIAGRAM PINNING FUNCTIONAL DESCRIPTION Power-on reset LCD bias generator LCD voltage selector LCD drive mode waveforms Static drive mode 1 : 2 multiplex drive mode 1 : 3 multiplex drive mode 1 : 4 multiplex drive mode Oscillator Internal clock External clock Timing Display register Segment outputs Backplane outputs Display RAM Data pointer Subaddress counter Output bank selector Input bank selector Blinker 7 7.
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PCF8533
CHARACTERISTICS OF THE I2C-BUS Bit transfer START and STOP conditions System configuration Acknowledge PCF8533 I2C-bus controller Input filters I2C-bus protocol Command decoder Display controller Cascaded operation LIMITING VALUES HANDLING DC CHARACTERISTICS AC CHARACTERISTICS BONDING PAD LOCATIONS DEVICE PROTECTION TRAY INFORMATION DEFINITIONS LIFE SUPPORT APPLICATIONS PURCHASE OF PHILIPS I2C COMPONENTS BARE DIE DISCLAIMER
1999 Jul 30
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Philips Semiconductors
Product specification
Universal LCD driver for low multiplex rates
1 FEATURES
PCF8533
• Single-chip LCD controller/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 • 80 segment drives: up to forty 8-segment numeric characters; up to twentyone 15-segment alphanumeric characters; or any graphics of up to 320 elements • 80 × 4-bit RAM for display data storage • Auto-incremented display data loading across device su...
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