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Altera_Forum's avatar
Altera_Forum
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17 years ago

Questioning about the implementation VCCIO of CycloneIII device

As CycloneIII devices are designed to support interface voltage levels from 1.2v to 3.3v to accommodate the need for flexible I/O interface implementation. I want to know why I can not import data fo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

You need to change the I/O voltage of your pin to the correct voltage. From what I can see in the error message, you did put the dataout[7] pin in a 3.3V bank, but its I/O voltage is set to 2.5V.

In the pin planner you can find the dataout[7] pin and change its I/O voltage to 3.3V.