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RE: Memory-mapped A/D converter



Mikael,

   Thanks for the info. But the question was more related to the 
DEVELOPMENT BOARD. The databus and chip select signals are not accesible!

   Best regards,


     Rafael Collantes

At 07:48 26/04/02 +0200, Mikael Starvik wrote:
>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