PRega1
New Contributor
1 hour agoCyclone V nRST assertion upon nPOR
Hello, I am looking for a confirmation on whether the nRST pin is driven low upon a nPOR input assertion. I have found no definite answer in the HPS TRM (cv_5v4 dated 2024.12.03).
But HPS TRM version 1.3 (Nov 2012), Table 3-3 page 3-7 says
with
I ran an experiment today on our prototype, asserting nPOR once the system has boot-up (linux) and see no assertion of nRST pin. Also, in the Reset Manager register description, I see no configuration bit that would enable/disable nRST assertion upon nPOR.
Can someone confirm the unconditional assertion of nRST upon a nPOR as I understand from HPS TRM from Nov 2012.
Thanks, Best regard
Pascal