Forum Discussion

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

CycloneIII internal logic driving PLL

Hi, I have 2 LVDS inputs: Data/Strobe. To recover the clock I XOR the Data/Strobe signals from the LVDS receivers. I need to drive a PLL with this clock, but the Cyclone III Handbook Section 5 Tab...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

--- Quote Start ---

Can you direct me to an app note of using dynamic phase shift. All of the documentation talks about it, but doesn't give enough detailed info on the inputs to the PLL to implement it.

--- Quote End ---

As far as I know there's no Dynamic Phase shift [allignment] for Cyclone III. Maybe Source-Synchronous Compensation Mode can be used, but that is static.

Ton