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Altera_Forum
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9 years ago

ALTCLKCTRL vs PLL with 2 reference clocks

Hello, My Cyclone V design has 2 reference clock inputs. I want to be able to manually switch between them during runtime. I know that the ALTERA_PLL megafunction can be configured to r...
Altera_Forum's avatar
Altera_Forum
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9 years ago

Why not review the Cyclone V handbook? It describes clock switchover as a dedicated feature of Cyclone V PLLs. It comes with automatic switchover and other details that can't be provided by a CLKCTRL block.