ID:16190 Port "<name>" of instance "<name>" of type <name> is not connected
CAUSE: The specified port of the specified I/O primitive is not connected. The port should be connected according to the following rules:
ALT_INBUF/ALT_INBUF_DIFF
ALT_OUTBUF/ALT_OUTBUF_DIFF
ALT_OUTBUF_TRI/ALT_OUTBUF_TRI_DIFF
ALT_IOBUF/ALT_IOBUF_DIFF
ALT_BIDIR_BUF/ALT_BIDIR_DIFF
| port | Connected to |
| i | input pin |
| ibar | input pin |
| o | anything |
| port | Connected to |
| i | anything |
| o | output pin |
| obar | output pin |
| port | Connected to |
| i | anything |
| oe | anything |
| o | output pin |
| obar | output pin |
| port | Connected to |
| i | anything |
| oe | anything |
| o | anything |
| io | bidir pin |
| iobar | bidir pin |
| port | Connected to |
| bidirin | the padio port of the altddio_bidir megafunction |
| oe | the oe_out port of the altddio_bidir megafunction |
| io | bidir pin |
| iobar | bidir pin |
ACTION: Connect the missing port and compile the design again.