Lpc2000

--- In lpc2000@yahoogroups.com, "James Dabbs" <jdabbs@t...> wrote:
> We'll looking at the Phillips LPC2148 for a rackmount device where we're
> considering using USB *instead* of DB9 (9600,N,8,1) for local
> configuration and diagnostic support.
> 
> Has anyone here considered this type of application for USB?  Any
> insight is greatly appreciated.

James,

a UART is great for point to point connections, a USB is not, unless
it is USB OTG.  If you use USB you would need to implement a Host that
controls it all and lots of devices "slaves".
Did you consider CAN? IMHO the price overhead for CAN and USB are
similar, both being about +$1 over a UART implementation. 
If you have a centralized system where one Host ("master") has control
over everything, this approach could be interesting. 

Please keep the group posted, at least I am very interested in the
challenges and opportunities of such an approach. 

Bob