HD66712 - Hitachi

HD66712 Dot-Matrix Liquid Crystal Display Controller/Driver

The HD66712 dot-matrix liquid crystal display controller and driver LSI displays alphanumerics, numbers, and symbols. It can be configured to drive a dot-matrix liquid crystal display under the control of a serial or a 4- or 8-bit microprocessor. Since all the functions such as display RAM, character generator, and liquid crystal driver, required for driving.

Features

• 5 × 8 dot matrix possible
• Clock-synchronized serial interface capability; can interface with 4- or 8-bit MPU
• Low-power operation support: — 2.7 to 5.5 V (low voltage) — Wide liquid-crystal voltage range: 3.0 to 13.0 V max.
• Booster for liquid crystal voltage — Two/three times (13 V max.)
• High-speed MPU bus interface (2MHz at 5-V operation)
• Extension driver interface
• Character display and independent 60-icon mark display possible
• Horizontal smooth scroll by 6-dot font width display possible
• 80 × 8-bit display RAM (80 characters max.)
• 9,600-bit character generator ROM — 240 c.