RA8877中文资料Professional Graphics Engine for High Resolution LCD数据手册Raio规格书

描述 Description

RA8877 是极省电的彩色 LCD 控制器，对外部内存 SDRAM 支持最多可达 512M-bit，为了可以快速对外部的显示内存进行屏幕更新，因此 RA8877 提供一高效频宽的 8/16bit 异步并列的主控端接口，RA8877 提供多段的显存缓冲区段，并提供画中画 (PIP)、透明度控制与显示旋转镜像等功能。

特性 Features

·Frame Buffer
- SDRAM density:16Mb, 32Mb, 64Mb, 128Mb, 256Mb or 512Mb
- SDRAM configuration: x16
- 16-bit SDRAM bus, maximum frame buffer: 256MB/512MB\t
·Supports images sizes : up to 2048 x 2048

·Mono / 256 / 65K / 16.7M colors

·LVDS IF

·High Speed 3/4, IIC Serial MCI I/F

·Embedded ASCII Font. 8x16,12x24,16x32 Character

·Supports Ext. Font Code IC

·Provide 4 User-defined 32x32 pixels Graphic Cursor

·DMA Function
·Supports Alpha-Blend, PIP, BTE

·Geometric Drawing Engine