RA8816N
Preliminary Version 1.0
144x65 Character/Graphic LCD Driver
1. General Description
The RA8816N is a Dot-Matrix LCD Driver that supports both character and graphic modes. It has a
built-in 256K bytes character ROM and 1170 bytes display RAM. The embedded ROM consists of
Chinese (or Japanese for –J product), English and ASCII fonts, and the embedded display RAM
supports up to 144x65 dots LCD panel. The RA8816N also provides a scrolling buffer memory for
scrolling functions. It supports vertical and horizontal scrolling features, and all of these functions are
executed by hardware.
In character mode, the RA8816N supports Traditional Chinese (BIG5), Simplified Chinese (GB) and
Japanese (S-JIS) code. The system (MPU) does not need to take a lot of time to show the Chinese or
Japanese font in this mode. It also provides small ASCII (8x8) and big ASCII (8x16) fonts for English,
Japanese, European and Latin character. The RA8816N also integrates much powerful hardware that
includes contrast adjustment, 4x5 Key-Scan and eight General Purpose I/Os.
The RA8816N is a highly integrated chip of LCD controller and driver. It reduces a lot of time for system
development, and saves much cost for hardware system that due to it provides many features for
related LCD display applications.
2. Feature
Support both Character and Graphic Mode
Built-in 1170 bytes Display RAM and 450
bytes Scrolling Buffer
Support 1/65 Duty, 1/9~1/5 Bias Panel
Built-in 2X~4X (Voltage Booster), Voltage
Regulator, Voltage Follower
Eight General Purpose I/Os (GPIO)
Built-in 4x5 Key-scan Circuit
Support Horizontal / Vertical Scrolling
Functions
Provide 32-Steps Contrast Adjuster
Build-in RC Oscillator
Support 8080 / 6800, 8 / 4-bit Parallel
Interface, 3-Wire / 4-Wire Serial Interface
Built-in 256KB Font ROM: Chinese, S-JIS,
English, ASCII, Japanese, Latin, Latin-ext
A, Latin-ext B
Support ASCII 8x8 / 8x16 Half Size Font,
16x16 Full Size Chinese Font
Support Maximum 144 SEG x 65 COM LCD
Panel. 4 x 9 Chinese Fonts (16x16), or 8
x 18 English Fonts (8x8)
Built-in 256 bytes SRAM for Create Font
Voltage Operation: VDD Æ 2.7~3.6V
Package: Gold Bump Die
Table 2-1 : Ordering Information
Package and Font Type
Parts Number
RA8816N-T
RA8816N-S
RA8816N-J
Au-Bump Die, Traditional Chinese (BIG5)
Au-Bump Die, Simplified Chinese (GB2312)
Au-Bump Die, Japanese (S-JIS)
RAiO TECHNOLOGY INC.
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www.raio.com.tw
RAIO [ RAIO TECHNOLOGY INC. ]
