Forum Discussion

Patrik78's avatar
Patrik78
Icon for New Contributor rankNew Contributor
4 years ago

UART IP - waitrequest signal

Hello to everybody, working with Platform Designer (Quartus 21.1) I'm facing something strange: I'm trying to interface the UART CORE IP with a custom hardware. But I noticed the IP is missing any ...
aikeu's avatar
aikeu
Icon for Regular Contributor rankRegular Contributor
3 years ago

Hi Patrik78,


Sorry that I mentioned incorrectly about HPS as your system which is using Nios ii.

The irq should be sent to the Nios ii interrupt reciver port.

The control register bit of the UART IP, IRRDY will required to be enabled if using interrupt instead of a polling technique.

"irrdy - Enable interrupt for a receive character ready"


Thanks.

Regards,

Aik Eu