My Dear Spartan-3A, Please Please WAKE UP!

On 8 May 2007 04:24:30 -0700, Antti <Antti.Lukats@xilant.com> wrote:

>On 8 Mai, 09:56, Zara <me_z...@dea.spamcon.org> wrote:
>> On 7 May 2007 13:55:54 -0700, lagerst...@gmail.com wrote:
>>
>[..]
>> I am now tryiong to start the DDR2 with Microblaze. It will not
>> achieve timnog constarints with 100MHz system clock, but it will
>> achieve them with 66.666MHz system clock! More to come...
>>
>> Zara- Zitierten Text ausblenden -
>>
>> - Zitierten Text anzeigen -
>
>its VERY hard to meat 100MHz timings even in V4 or V5
>so I no wonder the EDK-DDR2 design in Spartan-3A
>doesnt want to meat 100MHz timings.
>
>also check the Spartan3A "product notification" and your PCB rev.
>if you have REV C you need to solder bridge 2 ferrites to get the DDR2
>to work at higher clock rates.
>
>Antti


Done it. But there is something with one of my SDK installations (the
one I use to communicate with S3 Lti, so my progress has stopeed for a
littel while). Hope it will restart soon!

Zara