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Altera_Forum
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17 years ago

Cyclone III problem with USB blaster JTAG communication

Hi all I've spent the last week debugging the jtag connection between the fpga and the usb blaster.:mad: I finally found something that is wrong.:) In JTAG there are 4 signals.. The fi...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

I would like to assume that this is an individual defect of your USB blaster. Could you try to verify that by exchanging the blaster with that one of a collegue or friend? And, second idea, have you checked the target voltage on pin 4 of the connector? This pin powers the voltage converters inside the blaster.