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Altera_Forum
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12 years ago

Signal Tap II - Invalid JTAG Configuration (using USB Blaster) (Cyclone IV)

Hi, I'm trying to use SignalTap in the Quartus II IDE and after setting up USB Blaster according to some online tutorial, (it seems to be working in the sense that the "Hardware Setup" tab identifies...
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Altera_Forum
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12 years ago

You could alternatively turn the clock speed down on USB-Blaster II with this command: 

jtagconfig --setparam <cable-id> JtagClock 16M

The cable only supports some cable speeds, 6M, 15M and 24M are the usual ones.