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Altera_Forum
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14 years ago

Problem with JTAG

Hi everybody I've a problem with my MAXII I can't tranfert my program with quartus. When my CPLD is under 3V I measure an impedance of 10K on TDI and more than 1M for other between ground ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

I've add the pull up and the pull down resistor and when I press start on the programmer

TDO: 1.5 V peak 0 before

TCK: 3V peak 0 before

TDI: 0.6V before then 0V then 3v when I click

TMS: 0V before at 3V

But my device is not recognised, I can't program it.