Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Adding a second PLL to Cyclone III EP3C16

Connecting a PLL to the first input clock (pin 31) compiles OK. But when I try to add a second PLL driven from the second clock pin (pin 32) I get the following error: Error: promoted fro...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

I think you've got 16 clock inputs, the first 4 are associated with the first pll, the next 4 with the second etc so if you to clk1 to drive your 1st pll and the clk5 to drive your 2nd pll you should be OK.