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Altera_Forum's avatar
Altera_Forum
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16 years ago

error with pin assignment

Hi, i am trying to do a pin assignment but by compile i get this Error Message: "Error: Can't place multiple pins assigned to pin location Pin_AD25 ( IOC_X95_Y2_N1) Info: Pin iSW[7] is ass...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Go to the Assignments menu > Device

Click on the "Device and Pin Options" button

Go to the "Dual-Purpose Pins" tab

Double click on nCEO

Select "Use as regular I/O"

By default nCEO is used as a programming pin (to chain several FPGAs during configuration). You need to tell Quartus that you want to use this pin as an I/O instead.