Product Features

• CPU Features

  • Operating voltage: 2.4V~5.5V

  • Internal 32kHz RC oscillator

  • Bias: 1/3 or 1/4; Duty: 1/4 or 1/8

  • Internal LCD bias generation with voltage-follower buffers

  • I2C interface

  • Two selectable LCD frame frequencies: 80Hz or 160Hz

  • Up to 16×8 bits RAM for display data storage

  • Display patterns:

  ♦ 20×4 patterns: 20 segments and 4 commons

  ♦ 16×8 patterns: 16 segments and 8 commons

  • Versatile blinking modes

  • R/W address auto increment

  • Internal 16-step voltage adjustment to adjust LCD operating voltage

  • Low power consumption

  • Provides the VLCD pin to adjust LCD operating voltage

  • Manufactured in silicon gate CMOS process

  • VLCD pin to adjust LCD operating voltage

  • Package types: 20/24/28-pin SOP/SSOP and 16-pin NSOP

• Applications

  • Electronic meter

  • Water meter

  • Gas meter

  • Heat energy meter

  • Household appliance

  • Games

  • Telephone

  • Consumer electronics