AR# 53073

14.7 MAP - ERROR:Pack:2908 - The I/O component "oc192_1_rxd_p[4]" has an illegal IOSTANDARD

MAP errors out with following message:

ERROR:Pack:2908 - The I/O component "oc192_1_rxd_p[4]" has an illegal IOSTANDARD

value. The IOB33 component is configured to use single-ended signaling and

can not use differential IOSTANDARD value LVDS_25. Two ways to rectify this

issue are: 1) Change the IOSTANDARD value to a single-ended standard. 2)

Correct the I/O connectivity by instantiating a differential I/O buffer.

If a port is assigned a differential IOSTANDARD and no IBUFDS is attached to the ports, MAP will fail with the above error.

The solution is to add an IBUFDS to the differential port.

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