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Honored Contributor

16 years ago

Clock's multiplication

Hi, I need to add an external clock of 600MHz in SOPC Builder. But, the software allows until 500MHz. "Error: clk: clockFrequency (600000000) out of range (1,500000000)" So, I need...

Altera_Forum

Honored Contributor

16 years ago

It's doable, but you won't be able to use a 600 MHz clock in a Cyclone III.

Instead, you'll need to use a 300 MHz clock and DDIO to get two bits per clock.

http://www.altera.com/literature/ug/ug_altddio.pdf

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Clock's multiplication

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