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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 --- 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 . --- Quote End --- The altlvds component with PLL or with external PLL uses the same PLL component within the FPGA. If you have not routed a global clock input on your board, then you are in trouble. Cheers, Dave
