Difference btw AXI3 and AXI4

Hi All , Can anyone please tell the difference btw AXI3 and AXI4. Regards Muthuvenkatesh
AXI3 locked access

I want to know what happens in these scenarios : 1) Assume Master1 (M1) is doing locked access, if locked access fails before M1 does unlocking transaction what is the response to the M1? 2) Assume M1...
AXI3 write data interleaving with same AWID

This is regarding the AXI3 write data interleaving. I understand how the write data interleaving works when AWID=WID when a slave is accessed by multi masters or a single master which can generate multiple...
Write transfer in AXI3

A master wants to initiate write transfers to two different slaves whose address ranges are consequtive can he choose to initiate write transfer starting in 1st slave address range and choose ASIZE and...
AHB/APB

1)why does AHB or APB support 16 slaves devices?is there any calculation behind it?explain me?