Forum Discussion

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

Watchdog Problems with Cyclone V soc

Hello I've been investigating the watchdog functions on the Cyclone V SoC and have found that although the "l4wd1" watchdog appears to be working, the "l4wd0" does not. I have set the wdt...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

I observed the same behavior. watchdog 0 (l4wd0) does not behave correctly when using counter values above 0x7. With large counter values, the count did appear to be decrementing, but very slowly (about 10x slower than expected). Also writing 0x76 to the restart register did not appear to restart the counter. I gave up and used l4wd1 which seems to work fine. Is there any explanation from Altera?