Removal of WID's in AMBA AXI4

mvenkatesh over 6 years ago

Hi ,

What is the purpose of removing ID's (WID) in AXI4 ?

If it because of reduction of pin count then We lost the " Write Data Interleaving" and "Out Of Order " Transaction features. Can you please tell me if any other reasons...(Arm Spec says..)

Top replies

Colin Campbell over 6 years ago +1

Support for "write data interleaving" was added in the AXI3 spec as a way of maximising data bus bandwidth when masters couldn't generate write data in continuous bursts, with the ID allowing a slave to...