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Altera_Forum
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12 years ago

HSMC loopback adapter makes JTAG unusable

Hello, I am trying to use an HSMC loopback adapter on my Cyclone V SoC dev kit to debug it with SignalTap over the integrated USB Blaster. Each time I connect the HSMC loopback adapter, I can...
Altera_Forum's avatar
Altera_Forum
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12 years ago

Weeellll... I actually forgot to mention that: I already tried both possibilities:

- HSMC is bypassed: I cannot even connect to the JTAG chain

- HSMC is enabled: I cannot see the devices on the JTAG chain, but cannot successfully program the FPGA.

Edit:

I switched over to another Board, which worked out the box with the same configuration. So the reason was a faulty device.