A.3.3. Write response channel signals

Table A.5 shows the AXI write response channel signals. Unless the description indicates otherwise, these signals are used by AXI3 and AXI4 protocols. For more information on each signal see the AMBA AXI and ACE Protocol Specification.

Table A.5. Write response channel signals

AXI signal NIC-400 adaptation[a]SourceDescription

Response ID tag.

Where n is a variable:

  • For an ASIB, ID width {0-16} where 0 indicates that no value has been selected.

  • For an AMIB, either:

    • Global ID width {1-24}


    • if ID reduction has been selected, then the values can be viewed from the AMIBs ID reduction report from the GUI.

bresp_x[b][1:0]SlaveWrite response.

User defined signal.


n is equal to user defined width -1.

A user defined width is in the range of 0-256 bits.

If 0 is selected then the signal is not used.

bvalid_x[b]SlaveWrite response valid.
bready_x[b]MasterWrite response ready.

[a] Where:

You can select uppercase or lowercase signal names from the GUI.

[b] Where x is:


for a bridge slave interface


for a bridge master interface


for a system slave interface or master interface.

Copyright © 2012 ARM. All rights reserved.ARM DDI 0475A