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Altera_Forum's avatar
Altera_Forum
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13 years ago

Can DMA do NOT use a same clock with PCIe IP when using Cyclone IV GX?

If I use a PCIe IP with Qsys,and use DMA mode to transfer video data to our ARM SOC. Can DMA IP use a different clock compard with PCIe IP? If so,When I write,for example,512 bytes to PCIe Tx...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

And it seems that I understand.

In the PCIe IP spec, the part which describe the interface of PCIe IP help me understand the details of Avalon-MM transferring.

Combining your reply and the PCIe IP spec,I think I understood.

I use the altera hard PCIe IP.

Thank you very much.akira.