Forum Discussion
Altera_Forum
Honored Contributor
17 years agoPIO
Hi all, I'm trying to write/read to and from some PIO. I have read as much as I can find about this topic on the forums and nios wiki but im not having much luck. Ive made a little test pro...
Altera_Forum
Honored Contributor
17 years agoYou will need to bypass cache by turning on address bit 31.
writew(0xFFFF,0x10402020 | 0x80000000); //data - Hippo