ID:14228 WYSIWYG GXB transmitter channel primitive "<name>" has illegal value for CHANNEL_WIDTH parameter -- value must be 16 or 20 when in Double Data Rate mode

CAUSE: The specified WYSIWYG gigabit transceiver block (GXB) transmitter channel primitive is in Double Data Rate (DDR) mode (that is, the USE_DOUBLE_DATA_MODE parameter is set to TRUE) but has an illegal value for the CHANNEL_WIDTH parameter. The CHANNEL_WIDTH parameter must be set to 16 or 20 when the WYSIWYG GXB transmitter channel primitive is in DDR mode.

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