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Altera_Forum
Honored Contributor
Honored Contributorsynchronize pll
On CycloneII, is it possible to re-synchronize or start a pll on an async event such as a pulse? I have a 50Mhz pll clocked state machine that is triggered from a single external async pulse. I...
Altera_ForumHonored Contributor
Honored ContributorI think, the only suitable solution to synchronize a clock to single pulse is a digital PLL created in your design. But the timing resolution is limited by the reference clock, could be up to 300 or 400 MHz with cyclone II.
