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how do I connect external RAM to it, and what would be the cpu-to-memory bandwidth in that case
by bra-ket 10y ago
how do I connect external RAM to it, and what would be the cpu-to-memory bandwidth in that case
- adapteva 10y agoExternal RAM, up to 1 Petabyte would be connected through an external FPGA, containing an epiphany link, some glue logic, and a memory controller.
- bra-ket 10y agothanks, Andreas. is there an existing solution, or is it DIY project at this point?
- sargun 10y agoFrom my understanding the Zynq's memory controller can only handle ~4GB of memory. Am I missing something? Is there a way to connect more than 4GB -- if so, I'd be very interested.
- adapteva 10y agoLarger FPGA support 64-bits with custom memory controllers.
- sargun 10y agoWith the new chip, is there a memory controller on the board, or will you still need the FPGA's? Even with the new MPSoC, I think the memory controller is limited to 8GB. Do you know what the most efficient cost / GB confit is for a Epiphany + memory controller or FPGA