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.

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)