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Altera_Forum
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13 years ago

Problem with JTAG

Hi, I use an USB Blaster cable to program an EP3C25U256 an EPCS16 with quartus II web edition 11.1. First, I programmed several times without any problem and after a while, i received an error ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Thanks for reply,

It's a custom board! But , if the increasement of temperature is the problem when the temperature decreases, I could program it when it will be cooler but I can't! However, when I checked the circuit with a voltmeter, I could see a short-circuit between TDI and GND that's why I thought I make a bad handling, in a first time, but with 3 different custom boards, it's not possible (the 3 times, it happens the same problem).