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Altera_Forum
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17 years ago

Stratix III JTAG Failure

Hi All, I have problem on Stratix III device on my Custom development board. Device: Stratix III - EP3SL340 Download cable : Altera USB Blaster We have provided two configura...
Altera_Forum's avatar
Altera_Forum
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17 years ago

Hi Jack,

For your reference I am attacheding the TMS & TDI input waveform captured as part of JTAG debugging. TDI & TMS is togglingfrom 0v to 3.3V. But TCK is not toggling. It stays remains at 0V. Looks like it is getting loaded beause of this low impedance(2 Ohm)

Kalidoss