ID:21139 DDIO_OUT half rate input "<name>" mode must be set to TRUE when feeding dynamicterminationcontrol or oe inputs of IO_BUF

CAUSE: The DDIO_OUT half-rate input mode has illegal mode set to FALSE.

ACTION: Check the design and make sure that if the half-rate DDIO_OUT is feeding dynamicterminationcontrol or oe inputs of an IO_OBUF through FF, the half-rate mode must be set to TRUE.