A.9.3 Write data response channel signals

A slave uses the write response channel to respond to write transactions. All write transactions require completion signaling on the write response channel.

The following table shows the write data response channel signals.

Table A-19 Write data response channel signals

Signal
Direction
Description
BIDMy[n:0]
Input
Write response ID.
The width of this signal is the same as the corresponding AWIDMy[n:0] signal.
BRESPMy[1:0]
Input
Write response.
BUSERMy[n:0]
Input
The specified extension to the B payload.
The width of this signal is IMPLEMENTATION DEFINED.
BVALIDMy
Input
Write response is valid.
BREADYMy
Output
Write response is ready.
BTRACEMy
Input
Write response trace input. This signal replicates AWTRACEMy for the corresponding request.
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