LCD Drivers

PCF21XXC_FAMILY

The PCF21xxC family are single-chip, silicon gate CMOS LCD driver circuits. A 3-line bus (CBUS) structure enables serial data transfer with microcontrollers.

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Block Diagram

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PCF21XXC_FAM Block Diagram

PCF21XXC_FAM Block Diagram

Block diagram: PCF2100CT, PCF2111CT, PCF2112CP, PCF2112CT

Block diagram: PCF2100CT, PCF2111CT, PCF2112CP, PCF2112CT

Block diagram: PCF2100CT, PCF2111CT, PCF2112CP, PCF2112CT

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Features

  • Supply voltage 2.25 to 6.0 V
  • Low current consumption
  • Serial data input
  • CBUS control
  • One-point built-in oscillator
  • Stand-alone or expanded system
  • Power-on reset clear
  • LCD segments: 40 (PCF2100C), 64 (PCF2111C) and 32 (PCF2112C)
  • Multiplex rate: 1:2 (PCF2100C and PCF2111C) and 1:1 (PCF2112C)
  • Word length: 22 bits (PCF2100C) and 34 bits (PCF2111C and PCF2112C)

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