Re: [oc] FPGA BOARD Considerations

[John Sheahan <jrsheahan@optushome.com.au>]

On Wed, Mar 26, 2003 at 09:05:46PM +0100, H�ctor Or�n Mart�nez wrote:
> for your experience to do with memory to program SRAM FPGA ? and what do you 
> think of it being modular and having for that a maximum frec penalty?

Why have a resident config scheme at all? 
Use a host pc to download. It has to be there occasionally to get the
config into the programming device.
Go straight in to the fpga using jtag.

It is a shock to discover the config device is comparable in cost to
the fpga.  

if there is a cpu with flash elsewhere in the project,
using that makes sense. As long as the fpga is not essential to the
cpu boot.  

A cpld and a standard flash can sometimes also be cost effective.
john
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