User`s manual

High Performance Low Cost Embedded Systems
LCD Interface
The mini2440’s LCD interface is a 41-pin 0.5mm white connector. It has what a common LCD
needs: control signals (line scan, clock, enable / disable) and complete RGB signals (RGB output is
8
：
8
：
8 and supports maximum 16000k color LCD). For test purposes, it has a PWM output (GPB1
can be configured as PWM) and a reset signal (nRESET). The LCD_PWR is the backlight control
signal. In addition, 37, 38, 39 and 40 are a 4 wire touch screen interface which can be directly
connected to a touch screen.
In the schematic below, J2 supplies power for LCD. It uses 5V power supply.
Copy right reserved © MicroArm Systems, Inc. 1612 2
nd
Ave. SW PMB#108, Cullman, AL 35055 - 237 -
Website : www.microarmsystems.com Email: [e-mail] Phone: [phone]