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Altera_Forum's avatar
Altera_Forum
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15 years ago

program with 8 LEDs

hi,:) i have a problem, i want to create a program which turn on 8 LEDs on a cyclone III. I want to write on the I/O FPGA port directly. In fact, i have a problem with my clock; i got this w...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

That warning has nothing to do with the SOPC.

Simply, the static timming analysis tool (TimeQuest?) is warning you have not assigned any uncertantiy to the ext_clk and, thus, analysis will assume a "perfect" clock, without jitter, skew, etc.