Datasheet > RA8803

RA8803

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
瑞佑 - RAIO		控制器
页数	文件大小	规格书
8页	105K
描述
Two Layers Text/Graphic LCD Controller Specification

阅读下载

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

RA8803 数据手册

RA8803/8822

Version 2.1

Two Layers Character/Graphical LCD Controller

control. Active high for read and active low for write.

The MPU will access Register when RS is Low and access Data Memory

when RS is High.

Usually connect to MPU address bus A0.

CS1#

CS2

Chip Select

The RA8803/8822 is active when CS1# is low and CS2 is high

Interrupt Signal

INT

This is an interrupt output to indicate the status of RA8803/88822. It could

be setup active high or low.

Busy Signal

This is a busy output to indicate the RA8803/88822 is in busy state. It

could be setup active high or low. If setup active high, the RA8803/8822

can’t be access when BUSY pin is high.

BUSY

It’s should be connected to MPU I/O input. The MPU have to poll this pin

before accessing RA8803/8822.

4.2 LCD Driver Interface

Pin Name

I/O

Description

Start Signal of LCD Per Frame

YD is the frame start signal.

Control Signal of LCD AC Wave

FRM

This signal controlt the Level Shift of LCD driver. Normally inputs a frame

inversion signal.

LCD Common Latch

This is a latch signal for LCD driver to latch the Common data.

LCD Clock

XCK

This is a shift clock signal for LCD driver.

LCD Display OFF

DISPOFF

This signal is used to control the LCD Display ON or OFF.

LCD Driver Data Bus

When 8-bit LCD driver IC is used. LD[7..0] are connected to LCD driver

data bus. When 4-bit CPU is used, LD[3..0] are connected to LCD driver

data bus, but LD[7..4] are non-connected.

LD[7..0]

4.3 Clock Interface

Pin Name

I/O

Description

Low Pass Filter Input

LPF

This is a low pass filter input. Please refer the circuit of application note.

RAiO TECHNOLOGY INC.

5/8

www.raio.com.tw

1 2 3 456 7 8

下载PDF

与RA8803相关器件

型号	品牌	描述	获取价格	数据表
RA8806	RAIO	Two Layers Character/Graphic LCD Controller Specification	获取价格
RA8808	RAIO	128x64 Driver for Dot Matrix LCD Specification	获取价格
RA8815	RAIO	128x33 Character/Graphic LCD Driver Specification	获取价格
RA8816	RAIO	144x65 Character/Graphic LCD Driver Specification	获取价格
RA8816N	RAIO	144x65 Character Graphic LCD Driver Specification	获取价格
RA8816N-J	RAIO	144x65 Character Graphic LCD Driver Specification	获取价格