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Altera_Forum's avatar
Altera_Forum
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15 years ago

nCEO as general purpose I/O

How can I tell Quartus that I want to use nCEO on my Cyclone III device as an I/O?

I get an error when I compile:

Error: Can't place multiple pins assigned to pin location Pin_101 (IOPAD_X41_Y19_N14)

Info: Pin muxbus[2] is assigned to pin location Pin_101 (IOPAD_X41_Y19_N14)

Info: Pin ~ALTERA_nCEO~ is assigned to pin location Pin_101 (IOPAD_X41_Y19_N14)

2 Replies

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    15 years ago

    go to Assignments > Device > Device and Pin Options > Dual-Purpose Pins

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    15 years ago

    Thanks! I keep losing track of that dialog, it's located a bit deep in the GUI.