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RE: Memory-mapped A/D converter



I haven't looked at this particular chip but the ETRAX 100 provides
a large number of chip selects and two external DMA channels.

Have you read this document?

http://developer.axis.com/doc/hardware/etrax100lx/des_ref/ET100LX_05_Bus_Interface_010823.pdf

/Mikael

-----Original Message-----
From: owner-dev-etrax@xxxxxxx.com]On">mailto:owner-dev-etrax@xxxxxxx.com]On
Behalf Of Rafael Collantes
Sent: Thursday, April 25, 2002 4:40 PM
To: dev-etrax
Subject: Memory-mapped A/D converter


Hi all,

   We are trying to use a MAX125 A/D converter in the Axis Development 
Board. Has anyone had any experience in adding memory-mapped devices to the 
board?
How should we generate the chip select signals... is it possible to do it 
from the ETRAX chip or should we use external logic?

   Thanks a lot.

   Rafael Collantes