I was wondering if anyone had any documentation lying around for the Lexra LX5820? Far from being dead it's used in Realtek's RTL8181 802.11b access point SoC.I still have a pdf for the 4189 but I'm not sure about the NDA status so I can't give it away. I believe (could be wrong though) that MIPS Tech bought Lexra's assets, so they are probably the ones that have the docs.
I am finding it very difficult to come across any details on just how this CPU works (instruction set, MMU, cache etc.) and what differences there are to a regular MIPS core.
Any info would help a lot with this project http://rtl8181.sf.net
Pete
