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Altera_Forum
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20 years ago

help on SDRAM

Hello. I have a big problem with my board. My board has a EP1CQ240C6, one flash Intel E28F128, one SDRAM MT48LC4M32, one EPCS4 and a LAN91C111. The CPu clock is 50 MHz. I have made a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

Hi Soin, I am back.

Maybe I can try it.

"This PLL introduces a phase-shift which compensates for board-level delays in the clock network. Other boards may require different settings."

Why need a compensate for board-level delays? And how to calculate the delays of my board?

I am beginner ......

Thank u http://forum.niosforum.com/work2/style_emoticons/<#EMO_DIR#>/smile.gif