Lpc2000

On 7 Feb 2005 at 15:38, Gus wrote:

> 
> 
> Hello,
> 
> I spent all weekend trying to get the ethernet to work on olimex LPC-
> E2294 board http://www.olimex.com/dev/lpc-e2294.html with no luck
> 
> Looking at the board schematics, they have the Ethernet 
> chip "selected" all the time through R57!!! This is WRONG!! I don't
> understand why!!! So I removed R57 and installed R56 instead. Now,
> when I read the chip, I always get the "chip ID" no matter what
> register I select!

They qualify the IOR and IOW signals with CS2, hence one will only read from, write
to the chip when CS2 is active. They probably could have achived the same by 
connecting CS2 to the CS8900 Chip select pin, and OE to IOR and WE to IOW.

Regards
   Anton Erasmus

-- 
A J Erasmus