玩命加载中 . . .

相较于AXI3,AXI4新增内容:

  • support for burst lengths up to 256 beats
  • Quality of Service (QoS) signaling
  • support for multiple region interfaces
  • updated write response requirements
  • updated AWCACHE and ARCACHE signaling details
  • additional information on Ordering requirements
  • details of optional User signaling
  • removal of locked transactions
  • removal of write interleaving