Sunday Aug 09, 2009

Programming the LM Cortex M3

I have tossed around a number of ideas on how to hook Ethernet to the SPOTs. The AT91RM9200 does have a built in Ethernet MAC and we did bring out the RMII interface with the intention of having Ethernet hooked up someday. The design needed an RMII PHY and 50MHz oscillator and we would have to adapt low level MAC drivers and integrate a TCP/IP stack.

I found an interesting option. When I was at the FIRST competition in Atlanta last April, I met with the Luminary Micro folks about their chips. What interested me the most was a low priced Cortex M3 (ARM) processor with built in Ethernet MAC-PHY.[Read More]
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