HD66740 Description
The HD66740, 112-by-80 dot-matrix graphics LCD controller and driver LSI, displays graphics such as text, kanji and pictograms. It can be configured to drive a dot-matrix liquid crystal under the control of the microprocessor connected via the clock-synchronized serial or 4/8-bit bus. The HD66740 has a smooth vertical scroll display and a double-height display for the remaining bit map areas.
HD66740 Key Features
- Control and drive of a graphics LCD
- 112 x 80-dot display
- Fixed display of graphics icons (pictograms)
- Low-power operation support: Vcc = 1.8 to 3.6 V (low voltage) VLCD = 4.5 to 15.0 V (liquid crystal drive voltage)
- High-speed clock-synchronized serial interface (serial transfer rate: 5 MHz max.)
- I2C bus interface
- High-speed 4-/8-bit bus interface capability
- 112-segment × 80-mon liquid crystal display driver
- 1,120-byte (112 × 80 dots) character generator RAM
- Vertical smooth scroll