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

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数据手册

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RA8803 数据手册

RA8803/8822

Version 2.1

Two Layers Character/Graphical LCD Controller

240x160x2 (Two Page)

KR[7..0]

KC[7..0]

8x8

Key Scan

DISPLAY DATA SRAM

(4.8KByte x 2)

FRM

DISPLAY

TIMING

GENERATOR

CIRCUIT

DISPOFF

XCK

5 Bit

DAC

IOUT

LD[7..0]

LPF

512B

FONT

SRAM

512KB

FONT

ROM

PLL

CIRCUIT

10 Bit

ADC

SYSTEM CONFIGURE

CIRCUIT

MCU INTERFACE CIRCUIT

Figure 3-2: RA8822 Block Diagram

4. Pin Definition

4.1 MPU Interface

Pin Name

I/O

Description

Data Bus

These are data bus for data transfer between MPU and RA8803/8822.

The high nibble DB[7..4] should be floating when 4-bit data bus mode is

used.

DB[7..0]

I/O

Enable/Read Enable

When MPU I/F is 8080 series, this pin (RD#) is used as data read, active

low.

(RD#)

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

Write/Read-Write

R/W#

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

low.

(WR#)

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

RAiO TECHNOLOGY INC.

4/8

www.raio.com.tw

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