Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

IOWR and IORD with PIOs

I have a basic question concerning PIOs. Currently, I am sending 4 8-bit integers over 4 ouput PIOs from NIOS to hardware to do a calculation on them and return another 8-bit integer value. This is a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Thanks for the explanation. Well, I realize that my method is not possible (at least not straighforward), and it is not my final goal anyway to send data this way to hardware for processing. But it got me to understand a bit about Custom Instructions and a lot more about pointers thanks to Cris :)