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Altera_Forum
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18 years ago

AS config problem

Hi, When I used Byetblaster(I also tried to use Usb blaster) download the config file to the EPCS64,Quartus2 report that : Can't recognize silicon ID for device. Does anyone know what a EPCS ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Hi,

It sounds as though when you start programming the cable hasnt disabled the FPGA access to the EPCS device. this is why you still see nCE low, this should be high as you correctly stated.

can you confirm that your schematics meet the following design requirements as stated in the Cyclone II handbook(assume you are using Cyclone II)

http://www.altera.com/literature/hb/cyc2/cyc2_cii5v1_06.pdf

Fig 13-7 pg 13-20