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Altera_Forum's avatar
Altera_Forum
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15 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
Icon for Honored Contributor rankHonored Contributor
15 years ago

SPI is definitely not too slow. It is simple packet serialization engine. You can run SPI between FPGAs even @ 100MBytes/s... Think of the SPI implementation, not the SPI protocol itself.