On Mon, Jul 5, 2010 at 10:01 PM, Olin Lathrop w= rote: > solarwind wrote: >> I'm trying to design a multi master protocol for RS485 networks > > Why RS485? =A0That's so 1990s. =A0Unless that is something specific to the > requirements (and it doesn't sound that way since you seem to be free to > design the protocol), you should seriously look at CAN. The only thing is that CAN is stuck at 1MHz. With RS485, it can be much faster. It can also be upgraded to M-LVDS to achieve much faster speed. But I am not so sure about the OP's speed requirement. -- = Xiaofan http://sourceforge.net/projects/libusb-win32/ -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist