RAiO RA8803 RA8822 Two Layers chinese Writing / graphics LCD controller Application Note

This manual details the RA8803/8822 Dual Layer Chinese Character/Graphics LCD Controller interface, functions, uses and application program examples.

Brand: RAiO
Category: Other Electronics
Document type: Application Note
Language: Chinese
Pages: 141
File format: PDF
File size: 1.6 MB
Published: 20 February, 2012
Updated: 30 September, 2023
Models: RA8803, RA8822
MD5 checksum: F3D988062D013DD58520F4E81A0C9698
PDF: RAiO RA8803 RA8822 Two Layers chinese Writing / graphics LCD controller Application Note PDF

About this manual

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.

What's inside

Introduction
MPU Interface
LCD Driver Interface
Chinese Font ROM
Brightness Adjustment
Touch Panel Interface
System Clock
Initialization Settings
Function Applications
Appendices

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

Frequently asked questions

What display resolutions does the RA8803/8822 support?

It supports LCD panels up to 320×240 or 240×160 pixels.

What is the size of the built‑in font ROM?

The controller includes a 512 KB font ROM.

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