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Altera_Forum
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11 years ago

Quartus 14.0 Clock generation

Hello All, So i have a prototype where we use a 27MHz clock. A problem we are having is that Qsys can't make all the clocks. We can boot as far as UBOOT from NOR flash with CSEL on "10" with ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

So i made some progress.

with coincidence, i toggled the power source realy quick. like 100 - 200 mili seconds. And there it is. The EMAC runs fine. When i then toggel the power source, only slow, the EMAC does nothing.

Also, when i leave the Ethernet cable in the ethernet jack. and toggle fast, the EMAC does nothing. When i remove the ethernet cable. and toggle fast. The EMAC Works fine.