Forum Discussion
Altera_Forum
Honored Contributor
12 years agoDE0_Nano: bad PLL jitter
I implemented Terasic's "My First FPGA" tutorial, and the 5Mhz PLL output is erratic. The project uses an ALTPLL to divide the onboard 50MHz oscillator down to 5MHz. I routed the clock to a G...
Altera_Forum
Honored Contributor
12 years agoShouldn't happen. I would monitor PLL locked signal to get additional information.
Self-reset at least won't hurt. I'm not absolutely sure how the PLL works without a global reset.