Lpc2000

Is the EMC module powered up?

/Jesper
----- Original Message ----- 
From: "klgromann" <klaus.gromann@...>
To: <lpc2000@yahoogroups.com>
Sent: Friday, August 26, 2005 2:28 PM
Subject: [lpc2000] External Memorey Access with LPC2294


> I use a phytec board phyCORE LPC2294 and have troubles to access the 
> external SRAM. I use the following initialisation for the EMC :
> 
>     PINSEL2 = 0x0E614924;
>     BCFG1   = 0x20000403;
> 
> I may read/write the RAM without problems, but the the same pattern of 
> 4 Bytes is repeated over the whole address range (0x81000000 - 
> 0x81FFFFFF). It seems that the address lines A2:A23 are not working 
> correct but I don't have any idea why.
> 
> Has anybody seen such a behaviour ? 
> Any suggestions what I've made wrong ?
> 
> Thanks
> Klaus
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