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Altera_Forum
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8 years ago

CPLD(EPM1270-F256) I/O Status

I'm using EPM1270-F256(ALTERA MAX II CPLD) in Ultrasound system control pannel K6 of I/O port is used input port. That is connecting with switch and PC power signal. That i meane checking swit...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

Thank you for reply.

I had defined K6 port used pin and be input.

That means K6 is floating status.

But it changed status that short with GND.

So, my question is what case cause to change I/O status.

Regards,

Son.