User`s manual

High Performance Low Cost Embedded Systems
Follow the prompt, click on the blue area, you will close the backlight. Note:you just close the
backlight, all the running program are still active. Click on the blue area again, the backlight will be
turned on again.
3.1.22 A/D Conversion
The Samsung S3C2440 chip has 8 A/D conversion channels but only one converter. In general,
AIN4, AIN5, AIN6 and AIN7 are used as YM, YP, XM and XP channels via a four wire resistor. We
extended AIN0-3 which reside on CON4. For easier testing, AIN0 is directly connected to an
adjustable resistor W1. How do they share a common converter? The following screenshots will
show you how:
Click on the “ADC Testing” icon in the “FriendlyARM” subgroup:
Copy right reserved © MicroArm Systems, Inc. 1612 2
nd
Ave. SW PMB#108, Cullman, AL 35055 - 75 -
Website : www.microarmsystems.com Email: [e-mail] Phone: [phone]