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Altera_Forum
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15 years ago

Problem with JTAG configuration over USB-Blaster Rev.C with VCCTRGT=2.5V

On my board JTAG configuration over USB-Blaster Rev.C with VCCTRGT=2.5V is very unstable, almost always is fails with "CONFIG_DONE failed to go high" error. But if I make VCCTRGT=3.0V then everything...
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Altera_Forum
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15 years ago

That's correct and to be checked, but real personal examples would be the most useful.