7
votes
1answer
449 views

On Freescale iMX31, how can I translate SDRAM address to CPU address?

[This is a re-post of http://stackoverflow.com/q/5346225/69172] I'm new to iMX31 and embedded systems, please help me to understand the translation from SDRAM address to ARM CPU address, especially ...
18
votes
10answers
22k views

Why is AVR used in Arduino?

Why is Arduino using AVR? I understand that they are the official processor but there isn't a reason the code couldn't be ported to an ARM or a Freescale architecture other than cost, right? As long ...