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CLoon1's avatar
CLoon1
Icon for New Contributor rankNew Contributor
7 years ago

Altera Cyclone II Quartus II JTAG Programming Error

'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 ...
JScho6's avatar
JScho6
Icon for Occasional Contributor rankOccasional Contributor
7 years ago

Check the pull up/down resistors on the JTAG lines of the chip, and possibly reduce the length of the JTAG cable that runs between the board and the USB Blaster. The different ID codes that you're seeing point to a ringing problem on the data line(s).

greetings from Germany,

Jens