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Altera_Forum
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14 years ago

Please Help: Invalid JTAG configuration in Signaltap

Hi Experts, I encounter a problem in using JTAG (USB Blaster) to program Cyclone device. Both Programmer and Signaltap say the device is successfully programmed. But obviously, the device does n...
Altera_Forum's avatar
Altera_Forum
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14 years ago

invalid jtag configuration normally refers to a wrong JTAG interface setup in the respective tool, e.g. Signaltap.

In addition, JTAG configuration may interfer in some cases with the operation of the AS configuration controller. Setting the option "Halt-on chip configuration controller" in Programmer options is generally advisable in my opinion.