Datasheet > RA8806

RA8806

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
174页	4476K
描述
Two Layers Character/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

RA8806 数据手册

RA8806

Preliminary Version 1.0

Two Layers Character/Graphic LCD Controller

4. Pin Definition

4-1 MPU Interface

Pin Name

I/O

Description

Data Bus

These are data bus for data transfer between MPU and RA8806.

The high nibble DATA[7:4] is output and should keep floating when 4-bits

data bus mode is used.

I/O

DATA[7:0]

Enable/Read Enable

ZRD

(EN)

When MPU interface(I/F) is 8080 series, this pin (ZRD) is used as data

read, active low.

When MPU I/F is 6800 series, this pin (EN) is used as Enable, active high.

Write/Read-Write

When MPU I/F is 8080 series, this pin (ZWR) is used as data write, active

low.

When MPU I/F is 6800 series, this pin(ZRW) is used as data read/write

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

ZWR

(ZRW)

Command / Data Select Input

The pin is used to select command/data cycle. RS = 0, data Read/Write

cycle is selected. RS = 1, status read/command write cycle is selected.

In 8080 interface, usually it connects to “A0” address pin.

ZWR

Access Cycle

Data Write

Data Read

CMD Write

Status Read

Chip Select Input

ZCS1

CS2

The MPU interface of RA8806 is active only when ZCS1 is low and CS2 is

high.

Interrupt Signal Output

The interrupt output for MPU to indicate the status of RA8806. It could be

setup active high or low.

INT

Busy Signal Output

This is a busy output to indicate the RA8806 is in busy state. It could be

set to active high or active low by register. The RA8806 can’t access MPU

cycle when BUSY pin is active.

BUSY

It could be used for MPU to poll busy status by connecting it to I/O port.

4-2 Clock Interface

Pin Name

I/O

Description

X’tal Input

In internal clock mode, this pin connects to external X’tal(4M ~ 12MHz).

In external clock mode, it connects to external clock.

X’tal Output

This pin connects to external X’tal(4M ~ 12MHz). In external clock mode, it

keeps floating.

RAiO TECHNOLOGY INC.

7/174

www.raio.com.tw

1...4 5 678 9 10...174

下载PDF

与RA8806相关器件

型号	品牌	描述	获取价格	数据表
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
RA8816N-S	RAIO	144x65 Character Graphic LCD Driver Specification	获取价格