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Honored Contributor
Honored Contributorabout external pll in lvds_rx and lvds_tx
i am new to lvds mega in quartus . i wanna know that what is the difference between using internal pll and external pll,since there is an option in the lvds_tx, lvds_rx general pannel. which kind co...
Altera_ForumHonored Contributor
Honored Contributor --- Quote Start --- Use the internal PLL unless you need to dynamically controller the PLL parameters. The default configuration takes care of the timing analysis constraints. Cheers, Dave --- Quote End --- Thanks dave！Our board have been made that the inclk ports are not drawn out. So i cann't use the internal pll of the lvds mega, and the internal pll of lvds mega needs a inlck to feed the pll. I will try the external pll . Thanks ! yu.p
