
RAIO
General Description
The RA8815 is a Dot-Matrix LCD Driver which supports both character and graphic mode. It built-in a 256Kbyte character ROM that consists of Chinese, English and ASCII fonts. The embedded 528Byte display RAM supports up to 128x33 dots LCD panel. The RA8815 also provides a scrolling buffer memory for scrolling functions. It supports up, down, left and right scrolling features, and all of the scrolling are execute by hardware.
FEATURE
■ Support both Character and Graphic Mode
■ Support 8080/6800 8/4-bit Parallel Interface and 3-wire/4-wire Serial Interface
■ Built-in 256KB Font ROM: Chinese, English, ASCII, Japanese, Latin, Latin-ext A, Latin-ext B
■ Support ASCII 8x8/8x16 Half Size Font, 16x16 Full Size Chinese Font
■ Support Maximum 128Seg x 33Com LCD Panel. 2 x 8 Chinese Fonts(16x16), or 4 x 16 English Fonts(8x8)
■ Built-in 528 Bytes Display RAM and 354Byte Scrolling Buffer
■ Built-in 256Byte SRAM for Create Font
■ Built-in 2X~3X(Voltage Booster), Voltage Regulator, Voltage Follower
■ Support 1/33 Duty, 1/6~1/4 Bias Panel
■ Eight General Purpose I/O
■ Built-in 4x5 Key Scan Circuit
■ Support Horizontal/Vertical Scrolling Functions
■ Provide Signals for EL Driver
■ Provide 32-Steps Contrast Adjust
■ Build-in RC Oscillator
■ Voltage Operation : Chip -> 2.5~3.6V, COG Module -> 2.7~3.8V
■ Package : Gold Bump Die