Description The ST7066U dot-matrix liquid crystal display controller and driver LSI displays alphanumeric, Japanese kana characters, and symbols. It can be configured to drive a dot-matrix liquid crystal display under the control of a 4-or8-bit microprocessor. Since all the functions such as display RAM, character generator, and liquid crystal driver, required fordriving a dot-matrix liquid crystal display are internally provided on one chip, a minimal system can be interfaced with this controller/driver.
Features ● 5 x 8 and 5 x 11 dot matrix possible ● Low power operation support: -- 2.7 to 5.5V ● Wide range of LCD driver power -- 3.0 to 10V ● Correspond to high speed MPU bus interface -- 2 MHz (when VCC = 5V) ● 4-bit or 8-bit MPU interface enabled ● 80 x 8-bit display RAM (80 characters max.) ● 13,200-bit character generator ROM for a total of 240 character fonts(5 x 8 dot or 5 x 11 dot) ● 64 x 8-bit character generator RAM -- 8 character fonts (5 x 8 dot) -- 4 character fonts (5 x 11 dot) ● 16-common x 40-segment liquid crystal display driver ● Programmable duty cycles -- 1/8 for one line of 5 x 8 dots with cursor -- 1/11 for one line of 5 x 11 dots & cursor -- 1/16 for two lines of 5 x 8 dots & cursor ● Wide range of instruction functions: Display clear, cursor home, display on/off, cursor on/off, display character blink, cursor shift, display shift ● Automatic reset circuit that initializes the controller/driver after power on ● Internal oscillator with external resistors ● Low power consumption ● QFP80 and Bare Chip available
