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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 ContributorDepending on the used ADC, it may be operational also with 40 or 60% duty cycle clock, so the somewhat more complex DDIO solution won't be necessary. Another point is, that the ADC may have a startup time after applying the clock and possibly show a transitional reaction after shifting the clock phase.
