www.LaserFreak.net

Hallo, hab jetzt meine Karte von HB bekommen, allerdings ist mir da etwas komisches aufgefallen. Auf der Karte sind 4 Drähte wohl nachträglich verlegt worden. Foto ist hier :

http://mitglied.lycos.de/laserconst/Las/LAStudio.jpg
Ist das bei euch auch so ? Sieht doch etwas komisch aus , oder ?

gruß

const

<small>[ 28 May 2002, 14:16: Message edited by: const ]</small>

Dear const,
During designing of the card we were using chips AT17C010 by Atmel - In-System EE Programmable Serial Memories Designed to Store Configuration Programs for Field Programmable Gate Arrays (FPGAs).
We did not have any problems with them
Directly ahead of a dispatch of cards to the customer (HB-Lasercomponent) we have bought chips XC17S150 - one-time programmable (OTP) read-only memory Designed to store configuration bitstreams of Xilinx FPGA devices.
In spite of the fact that these chips are designed specially for FPGA Xilinx, which we apply, card began to work instability.
The problem was decided when lines CLOCK and DATA were conducted through twisted-pairs.
As we had no time for purchases chip from Atmel, which we used earlier, we were forced to send cards in such sort.
At once after that we have changed topology of card, and in the following version of card this problem is decided.

We bring to you the apologies and we hope you'll understand us.

Ihor Ralko
RIYA Co Ltd
www.riyalasers.com