This document is the specification of RAiO RA8816 144x65 Graphic/Text LCD Driver Controller, which details the product features, system block diagram, pin definition, buffer description, function description, display function and more information.
This guide describes the RAIO RA8816 graphics and text LCD drive controller. It outlines the controller’s built‑in ROM, display RAM, CGRAM, and buffer capacities, and explains how it supports Chinese, English, Japanese and other character sets on a 144 × 65 LCD panel.
The document also details the various MPU interfaces (4‑bit/8‑bit parallel, 3‑wire, 4‑wire, I²C), pin assignments, power and ITO layout recommendations, and includes tables for timing, reset, and test registers. This manual is written in Chinese.
| Supported LCD panel size | 144 × 65 pixels |
|---|---|
| Font ROM size | 256 KB |
| Display RAM size | 1170 bytes |
| Operating voltage | 2.5 V – 3.6 V |
The RA8816 can drive LCD panels up to 144 × 65 pixels.
The controller includes a 256 KB ROM that stores font data.