RA8822 查看數據表（PDF） - RAIO

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RA8822

Two Layers Character/Graphic LCD Controller Specification

RAIO 

Version 2.1

VDDP

AVDD

GND

GNDP

AGND

TEST

RA8803/8822

Two Layers Character/Graphical LCD Controller

power for internal cells and external device.

If the system uses 3.3V power only, then connect this pin to external 3.3V

power directly.

I

I/O Power

I

Analog Power of ADC for Touch Panel Controller

I

Ground

I

Analog Ground of ADC for Touch Panel Controller

Test Pin

I

This pin is for test only and don’t need to connect.

5. System Block Diagram

MPU

H/W

Set Up

Clock

RA8803

RA8822

LCD Driver

LCD Panel

Booster

(Contrast Adj.)

Touch

Panel

8x8

Key Scan

RAiO TECHNOLOGY INC.

8/8

www.raio.com.tw

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