Device Family: Arria® V GT, Arria® V GX, Arria® V GZ, Arria® V ST, Arria® V SX, Cyclone® V E, Cyclone® V GT, Cyclone® V GX, Cyclone® V SE, Cyclone® V ST, Cyclone® V SX

Type: Answers

Area: EMIF, Intellectual Property

IP Product: DDR3 SDRAM Controller Supporting UniPHY

What causes an MPFE port to lock up?


The hard memory controller (HMC) MPFE port may lock up (avl_ready remains low) if you inadvertently perform a write burst size of 0. Make sure all write bursts are at least a size of 1.