[time-nuts] FPGA GPSDO (Was: Re: NTP jitter with Linux)

[Chris Albertson]

If you are looking for free soft core CPUs for use in an FPGA then look here:
http://opencores.org/projects
Look under "processors" for many CPU cores.   They also have some
Eithernet controllers you'd need.




On Sat, Apr 7, 2012 at 6:35 AM, cfo <xnews3 at luna.dyndns.dk> wrote:
> On Sat, 07 Apr 2012 13:19:14 +0200, Azelio Boriani wrote:
>
>> The Xilinx and Altera have their embedded CPUs (Microblaze and Nios) IP.
>> I'm not familiar with them and don't know how much they cost. Until now
>> I have developed on Xilinx 50Kgates FPGA and 128 cells CPLD with the
>> Xilinx's free tools.
>>
> Maybe ZPU
> http://opensource.zylin.com/zpuref.html
> http://opencores.org/project,zpu
>
> http://embdev.net/articles/
> ZPU:_Softcore_implementation_on_a_Spartan-3_FPGA
>
> /Cfo
>
>
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-- 

Chris Albertson
Redondo Beach, California