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Altera_Forum
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14 years ago

Nios II interface with pci-express

Hi, I need to instantiate a NIOS II in an already designed FPGA using pci express communication. On the PC side, a driver is writing/reading registers in the FPGA through mapped memory. Now, I'...
Altera_Forum's avatar
Altera_Forum
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14 years ago

At a high level it isn't that much different to building a PCB with discrete components on it.

The main difference is that the avalon 'bus' is slave arbitrated (ie there is a big mux in front of each slave), rather than being master arbitrated (with tri-state drivers).

One advantage is that there is (probably) lots of simple logic available.