[time-nuts] FPGA protobards (was Re: Of rubidium lifeandpiggy-bank anemia....)

Ulrich Bangert df6jb at ulrich-bangert.de
Sat Dec 1 15:06:24 EST 2007


John,

> The lack of an FX2 or similar USB chip on the Darnaw board 
> makes me wonder how you're supposed to program it.  

Using the JTAG port!

73 de Ulrich, DF6JB 

> -----Ursprungliche Nachricht-----
> Von: time-nuts-bounces at febo.com 
> [mailto:time-nuts-bounces at febo.com] Im Auftrag von John Miles
> Gesendet: Samstag, 1. Dezember 2007 19:30
> An: Discussion of precise time and frequency measurement
> Betreff: Re: [time-nuts] FPGA protobards (was Re: Of rubidium 
> lifeandpiggy-bank anemia....)
> 
> 
> The lack of an FX2 or similar USB chip on the Darnaw board 
> makes me wonder how you're supposed to program it.  These are 
> nice alternatives if you don't need a full 'starter kit' 
> board like the ones from Digilent:
> 
http://www.knjn.com

The same guy who sells these boards also hosts a good FPGA-specific
project
site/forum:
http://www.fpga4fun.com

-- john, KE5FX


>
> Ulrich Bangert wrote:
> > For that reason I have decided to buy me this smart device and 
> > experiment with it:
>
> > http://www.enterpoint.co.uk/moelbryn/darnaw1.html
>
> Wow.  That "connector" looks nasty.  What the heck are you supposed to

> do with that?
>
> Let me suggest an alternative.  I've used several of the FPGA and CPLD

> boards made by Digilent.  I have been pleased by all of their products

> so far.
>
> http://www.digilentinc.com/
>
> The 3E starter board is $149.
>


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