HD41529B Datasheet | Hitachi Semiconductor

HD44780U (LCD-II) (Dot Matrix Liquid Crystal Display Controller/Driver) Description The HD44780U dot-matrix liquid crystal display controller and driver LSI displays alphanumerics, Japanese kana characters, 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 minimal system can be interfaced with this controller/driver. A single HD44780U can display up to one 8-character line or two 8-character lines. The HD44780U has pin function patibility with the HD44780S which allows the user to easily replace an LCD-II with an HD44780U. The HD44780U character generator ROM is extended to generate 208 5 × 8 dot character fonts and 32 5 × 10 dot character fonts for a total of 240 different character fonts. The low power supply (2.7V to 5.5V) of the HD44780U is suitable for any portable battery-driven product requiring low power dissipation. Features - 5 × 8 and 5 × 10 dot matrix possible - Low power operation support:  2.7 to 5.5V - Wide range of liquid crystal display driver power  3.0 to 11V - Liquid crystal drive waveform  A (One line frequency AC waveform) - Correspond to high speed MPU bus interface  2 MHz (when VCC = 5V) - 4-bit or 8-bit MPU interface enabled - 80 × 8-bit display RAM (80 characters max.) - 9,920-bit character generator ROM for a total of 240 character fonts  208 character fonts (5 × 8 dot)  32 character fonts (5 × 10 dot) HD44780U - 64 × 8-bit character generator RAM  8 character fonts (5 × 8 dot)  4 character fonts (5 × 10 dot) - 16-mon × 40-segment liquid crystal display driver - Programmable duty cycles  1/8 for one line of 5 × 8 dots with cursor  1/11 for one line of 5 × 10 dots with cursor  1/16 for two lines of 5 × 8 dots with cursor - Wide range of instruction...