COP472-3  Product Folder

The COP472-3 Liquid Crystal Display (LCD) Controller is a peripheral member of the COPS™ family, fabricated using CMOS technology. The COP472-3 drives a multiplexed liquid crystal display directly. Data is loaded serially and is held in internal latches. The COP472-3 contains an on-chip oscillator and generates all the multi-level waveforms for backplanes and segment outputs on a triplex display. One COP472-3 can drive 36 segments multiplexed as 3 x 12 (4½ digit display). Two COP472-3 devices can be used together to drive 72 segments (3 x 24) which could be an 8½ digit display.

• Direct interface to TRIPLEX LCD
• Low power dissipation (100 µW typ.)
• Low cost
• Compatible with all COPS processors
• Needs no refresh from processor
• On-chip oscillator and latches
• Expandable to longer displays
• Operates from display voltage
• MICROWIRE™ compatible serial I/O
• 20-pin Dual-In-Line package and 20-pin SO