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Altera_Forum's avatar
Altera_Forum
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15 years ago

jtag pin voltage levels

I am trying to connect cyclone 4 device with a usb blaster programmer Will there be a problem with the attached voltage levels and resistors?
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Pin 4 of the JTAG connector should connect to the VCCIO of the IO bank containing the JTAG pins, either if its 2.5, 3 or 3.3V. The pull-up resistor would use the same voltage.