HD66710
HD66710 is manufactured by Hitachi Semiconductor.
Description
The HD66710 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 4- or 8-bit microprocessor. Since all the functions such as display RAM, character generator, and liquid crystal driver, required for driving a dot-matrix liquid crystal display are internally provided on one chip, a minimum system can be interfaced with this controller/driver. A single HD66710 is capable of displaying a single16-character line, two 16-character lines, or up to four 8-character lines. The HD66710 software is upwardly patible with the LCD-II (HD44780) which allows the user to easily replace an LCD-II with an HD66710. In addition, the HD66710 is equipped with functions such as segment displays for icon marks, a 4-line display mode, and a horizontal smooth scroll, and thus supports various display forms. This achieves various display forms. The HD66710 character generator ROM is extended to generate 240 5 × 8 dot characters. The low voltage version (2.7V) of the HD66710, bined with a low power mode, is suitable for any portable battery-driven product requiring low power dissipation.
Features
- 5 × 8 dot matrix possible
- Low power operation support: 2.7V to 5.5V (low voltage)
- Booster for liquid crystal voltage Two/three times (13V max.)
- Wide range of liquid crystal display driver voltage 3.0V to 13V
- Extension driver interface
- High-speed MPU bus interface (2 MHz at 5-V operation)
- 4-bit or 8-bit MPU interface capability
- 80 × 8-bit display RAM (80 characters max.)
- 9,600-bit character generator ROM 240 characters (5 × 8 dot)
- 64 × 8-bit character generator RAM 8 characters (5 × 8 dot)
- 8 × 8-bit segment RAM 40-segment icon mark
- 33-mon × 40-segment liquid crystal display driver
- Programmable duty cycle (See List 1)
- Wide range of instruction functions: Functions patible with LCD-II: Display...