They are tightly combined ... The DDR (Double Data Rate) controller IP is for LPDDR4 and DDR4/3/3L optimized for low latency. The Controller IP is silicon proven and connects to DDR PHY via the DFI ...
The DDR3L/ DDR4/ LPDDR4 Combo PHY IP offers low latency and supports throughput of up to 1866Mbps. The PHY IP is silicon validated in the UMC 28HPC+ process technology, complies with the most recent ...