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Altera_Forum's avatar
Altera_Forum
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16 years ago

problem with the voltage of the output pin

I have used the CPLD for my project. And the device is EPM7128STC100-10(Max7000 series ) ,the voltage of Vccio is 5v,but the output voltage of the I/O is 3.16v. I have defined the I/O standard a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

No device is connected to the cpld.and the voltage of all pins are 3.16v.

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what is connected on that io pin of your cpld ?

is every io pin only reaching 3.16 v or is this the only one ?

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