[En-Nut-Discussion] Re: [En-Nut-Announce] Version 3.4.2 Available

Jesper Hansen jesperh at telia.com
Tue Mar 9 14:24:59 CET 2004


> >The reason I suggested the Philips chip is exactly because it doesn't
> >have any external buses, and are suited for small embedded systems.
> >That's where I think Nut** fits in perfectly.
> >
> >I know the OKI chips, and there are many others, but most of these
> >have the option of megabytes of Flash and RAM and are probably
> >more suited for running Linux (as you suggest yourself).
> 
> Maybe I am missing something.  How would you connect the LPC210x chip to a 
> 10/100 Ethernet MAC if it has no external data bus?  Wouldn't you need to 
> use something slow like a UART or SPI?  How would you adapt the parallel 
> interface of most MAC chips to a serial interface?  Or would you bang a set 
> of IO pins to emulate a parallel bus?

Banging the I/O pins would work perfectly, but who said I wanted an Ethernet
interface ? ;-)

But, of course, I see why you were wondering. The Ethernet part of Nut** is 
one of the main reasons for using it. When I suggested the LPC210x, I didn't
actually think about that.

/Jesper
www.yampp.com





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