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Introduction

本份是 TFT LCD 控制器 RA8876/77 规格书, RA8876/77 支持 CMOS 准位的接口 (MIPI DPI-2),规格书内包含:系统方块图、引脚图、AC/DC 电气特性、各个功能子方块、缓存器、省电模式的详细描述。

RA8876/77 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,而RA8876/77则具有内部存储器 “Buffer RAM”,不需要额外的外部显存。为了可以快速对外部的显存进行屏幕更新,因此 RA8876/77 提供一高效频宽的 8/16bit 异步并列的主控端接口,RA8876/77 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。


Features

Frame Buffer
- SDRAM density:16Mb, 32Mb, 64Mb, 128Mb, 256Mb or 512Mb
- SDRAM configuration: x16
- 16-bit SDRAM bus, maximum frame buffer: 256MB/512MB

Supports images sizes : 1366 x 768

Mono / 256 / 65K / 16.7M colors

CMOS TTL

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

Related product Specification
Functions RA8871M | RA8873M| RA8876M RA8876 | RA8877 RA8875
Product Guide RA8871M : PDF RA8876 : PDF RA8875 : PDF
  RA8873M : PDF RA8877 : PDF  
  RA8876M : PDF    
Resolution(Max) RA8871M : 320 x 240 / 480 x 272
RA8873M : 800 x 480
RA8876M : 1366 x 768
1366 x 768 800 x 480
Colors(Max) RA8871M : 256 / 65K / 16.7M
RA8873M : 256 / 65K
RA8876M : Mono / 256 / 65K / 16.7M
Mono / 256 / 65K / 16.7M256 / 65K
Panel Type CMOS / TTL RA8876 : CMOS / TTL
RA8877 : LVDS
CMOS / TTL
Parallel MPU Interface 8/16-Bits 8/16-Bits8/16-Bits
Serial MCU I/F SPI 3 | 4 / IIC SPI 3 | 4 / IICSPI 3 | 4 / IIC
Master I/F SPI / IIC SPI / IIC--
Embedded Display RAM SDRAM --768KB
External SDRAM -- Up to 512Mbits--
Embedded ASCII Font ISO-8859
Latin 1, 2, 4, 5
ISO-8859
Latin 1, 2, 4, 5
ISO-8859
Latin 1~4
External Font ROM I/F Serial SerialSerial
Touch Panel Controller -- --4-Wires
Block Transfer Engine V VV
Geometric Speed-up Engine V V V
Virtual Display Multi Buffer Display Multi Buffer Display--
Picture-in-Picture V V --
Dual Pages Mode V V V
Horizontal Scroll V V V
Vertical Scroll V V V
Graphic/Font Rotation V V V
Programmable Text Cursor V V V
Support Graphic Cursor V V V
User-defined Characters V V V
Alpha-Blending V V --
DMA V V V
PWM O/P 2 2 2
Smart Key-Scan 5x5 5x5 4x5
GPIO Max 40 Max 40 9
Clock Source X'tal + PLL X'tal + PLL X'tal + PLL
Operation Voltage 3.0 ~ 3.6V 3.0 ~ 3.6V 3.0 ~ 3.6V
Package LQFP-128 LQFP-128 LQFP-100
Operation Temperature -40 ~ +85℃ -40 ~ +85℃-30 ~ +85℃
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