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I'm trying to program a Cyclone II I bought here using Quartus II 13.0sp1 on Arch Linux. I'm trying to program it with a very simple Verilog program with three inputs and two outputs and a few simple logic functions. I selected the proper model (EP2C5T144C8), assigned the pins to the inputs/outputs, compiled, and ran the programmer. I am using a JTAG USB blaster. When I run jtagconfig, I receive the following output 

1) USB-Blaster [2-1.6] 020B10DD EP2C5

However, when I try to program the .sof file created by the compiler, I receive the following error. 

Error (209015): Can't configure device. Expected JTAG ID code 0x020B10DD for device 1, but found JTAG ID code 0x000310D9.

If I run the programmer multiple times, I often get different values for the ID code that it found. Does anyone know what's wrong here?

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  • \$\begingroup\$ What programmer are you using to program the device? A lot of these low-cost boards are supplied with fake "USB Blaster" JTAG interfaces that may not be quite up to the job -- see e.g. hackaday.io/project/92800-fpga-experiments/log/… \$\endgroup\$ Commented Oct 5, 2018 at 7:36
  • \$\begingroup\$ If you're getting different codes each time, there is either a dodgy connection somewhere, or the device is toast. \$\endgroup\$ Commented Oct 5, 2018 at 7:59
  • \$\begingroup\$ @Jules I bought a $10 one thats featured on the same page on Amazon. \$\endgroup\$ Commented Oct 5, 2018 at 12:41
  • \$\begingroup\$ @TomCarpenter I figure it probably is, but what throws me off is that the device ID in the jtagconfig command shows up properly. \$\endgroup\$ Commented Oct 5, 2018 at 12:42

1 Answer 1

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It turns out the solution is similar to what I had seen online; it's a power supply problem. Getting a proper 5 V power supply solved the issue, and the FPGA is now programmable and fully functioning.

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