[hpsdr] Penny Altera replacement

[Neal Campbell]

Thanks Bill, I was amazed how fragile the leads were and how quickly
they would bend backwards. I think I will go ahead and put in a new
chip!

73
Neal Campbell
Abroham Neal Software
Programming Services for Windows, OS X and Linux
www.abrohamnealsoftware.com
(540) 242 0911




On Mon, Mar 23, 2009 at 9:43 AM, Bill Tracey <bill at ewjt.com> wrote:
> The FPGA's is not pre programmable - it's a volatile device whose
> configuration is loaded from the EPCS4 ROM each time the chip is powered up.
>  So you can replace it without having to worry about any pre programming.
> The EPCS4 is programmed via JTAG once the board is assembled.
>
> Regards,
>
> Bill (kd5tfd)
>
>
>
> At 08:28 AM 3/23/2009, Neal Campbell wrote:
>>
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> Hi all
>>
>> In building my penny board, I have really learned a lot about
>> soldering a chip with leads as skinny as on the altera. In the process
>> its a messy job. Is the cyclone II that came in the kits package
>> already programmed?  If I buy a replacement cylone2 from dig-key can I
>> program it via the jtag after I finish assembly? I am not sure I have
>> passed the point of no return on the one that came with the kits
>> package but I think I would rather hotair it out and start over on it!
>>
>> 73
>> Neal k3nc
>
>
>

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