Key facts
- Brand
- RAiO
- Model
- RA8803
- Documents
- 6
- Languages
- ZH
- Last added
- 2012-02-20
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RAiO RA8803 RA8822 Two Layers chinese Writing / graphics LCD controller Application Note
The RA8803/8822 is a dual‑layer LCD controller that can display Chinese and English characters as well as graphics. It supports LCD panels up to 320×240 or 240×160 pixels and includes a built‑in 512 KB font ROM.
The document provides a complete description of the MPU interfaces (8080 and 6800 modes), LCD driver connections, brightness control, touch‑panel interface, timing specifications, and example programs. Appendices contain circuit diagrams, command timing tables and C51 sample code to help designers integrate the controller quickly. This manual is written in Chinese.
RAiO RA8803 specifications
| Maximum LCD resolution | 320×240 / 240×160 pixels |
|---|---|
| Built‑in font ROM size | 512 KB |
| Address hold time | 10 ns |
| Data setup time | 63 ns |
Source: RAiO RA8803 RA8822 Two Layers chinese Writing / graphics LCD controller Application Note
All RAiO RA8803 documents by type
How to use the product for one specific task, with worked examples.
- RAiO RA8803 RA8822 Two Layers chinese Writing / graphics LCD controller Application Note 141 p
- RAiO RA8803/RA8822 LCD Controller Application Note 128 p
- RAiO RA8803 RA8822 Two Layers chinese Writing / graphics LCD controller Application Note3 128 p
- RAIO RA8803 RA8822 Double Layers chinese Writing / Graph LCD controller Application Note
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What display resolutions does the RA8803/8822 support?
It supports LCD panels up to 320×240 or 240×160 pixels.
From: RAiO RA8803 RA8822 Two Layers chinese Writing / graphics LCD controller Application Note
What is the size of the built‑in font ROM?
The controller includes a 512 KB font ROM.
From: RAiO RA8803 RA8822 Two Layers chinese Writing / graphics LCD controller Application Note
What LCD panel resolutions does the RA8803/8822 support?
It supports panels up to 320×240 or 240×160 pixels.
From: RAiO RA8803 RA8822 Two Layers chinese Writing / graphics LCD controller Application Note3
How is the MPU interface mode (8080 or 6800) selected?
The SYS_MI pin, with a pull‑low resistor selects 8080 mode and a pull‑high resistor selects 6800 mode.
From: RAiO RA8803 RA8822 Two Layers chinese Writing / graphics LCD controller Application Note3