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Altera_Forum
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14 years ago

Suggestions for simple link between two FPGAs?

I need to transfer about 100 bytes of data between two Cyclone IV GX FPGAs on two different PCBs. The PCBs are pretty close (less than 6 inches/15 cm) and the hardware hasn't been designed yet, but I...
Altera_Forum's avatar
Altera_Forum
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14 years ago

The most simple and fastest link is parallel bus. E.g. 8 bit wide bus + clock + additional signals if needed (valid, start, stop, etc..). The most common and simplest is SPI. Great speed and easy to implement.