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Altera_Forum
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11 years ago

create_generated_clock question

Hi all! I have a 120MHz clock coming into my design. I use this clock on register (called CLK_60) to divide it by 2, to create a 60MHz clock. I believe I have constrained things correctly, b...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Hi Awann,

You do not tell which clock has to be used as the source for the generated clock. You may try this:

create_generated_clock -divide_by 2 -name CLK_60 -source [get_ports CLK_I_120] [get_pins CLK_60|clk]

Grtz,

Richard.