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Altera_Forum
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17 years ago

Jtag Problem

Hello everybody, i have big problem, i use CIII FPGA on my own board (EP3C16Q240). I try use USB BLASTER (Rev. B), but this is response: Error: Can't access JTAG chain Error: Operation f...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

I believe your pull up voltage for the jtag pin 5 and 9 have to be the same as VCCIO 3.3V.