AXI4 Memory Mapped (MM) Master ports are connected from the Versal ACAP Network on Chip (NoC) to the CPM DMA internally. For details, see Versal ACAP Programmable Network on Chip and Integrated Memory Controller LogiCORE IP Product Guide (PG313). The AXI4 MM Master interface can be connected to the DDR or the PL, depending on the NoC configuration.