xmos / lib_sdram

SDRAM library
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Guidance for port usage for xCORE-200 #6

Open ed-xmos opened 8 years ago

ed-xmos commented 8 years ago

XS2 devices have differing timings on different banks. In particular RGMII ports show different timings and should not be part of the port map for SDRAM. This should be documented in the guide.

ed-xmos commented 7 years ago

This document goes a long way towards addressing this issue:

https://www.xmos.com/download/private/I-O-timings-for-xCORE200%281.0%29.pdf