描述 Description

The ST7070 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- or 8-bit microprocessor.

特性 Features

5 x 8 dot matrix possible

Low power operation support:

-- 2.7 to 5.5V

Wide range of LCD driver power

-- 3.0 to 7.0V

Support high speed serial interface

Correspond to high speed MPU bus interface

-- 2 MHz (when VCC = 5V)

80 x 9-bit display RAM (80 characters max.)

19840-bit character generator ROM for a total of 496 character fonts(5 x 8 dot)

64 x 8-bit character generator RAM

-- 8 character fonts (5 x 8 dot)

16-common x 80-segment liquid crystal display driver

Programmable duty cycles

-- 1/8 for one line of 5 x 8 dots with 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, cursor shift, display shift

Automatic reset circuit that initializes the controller/driver after power on

Internal oscillator with external resistors

Low power consumption

Bare Chip available (ST7070-XX-B)