Forum Discussion
Altera_Forum
Honored Contributor
14 years agoabout 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_Forum
Honored Contributor
14 years ago --- Quote Start --- You should really read the altlvds MegaCore users guide: http://www.altera.com/literature/ug/ug_altlvds.pdf and simulate the component in Modelsim. Getting it to work there will show you what the clocks need to be. Cheers, Dave --- Quote End --- Thanks Dave! i have almost tried every option to apply altlvds, i recived the data,but the data and the clock had some phase difference. And at last, I gave up the altlvds, and wrote one by myself. Now ,it works well. Thanks again! yu.p