A.8.5 Read data channel signals

Read data channel signals carry the read data and the read response information from the slave to the master.

The following table shows the read data channel signals.

Table A-20 Read data channel signals

Signal
Direction
Description
RIDMy[n:0]
Input
Read data ID.
RDATAMy[127:0]
Input
Read data.
RRESPMy[3:0]
Input
Read data response.
RLASTMy
Input
Read last. This signal indicates the last transfer in a read burst.
RUSERMy[n:0]
Input
The specified extension to the R payload.
RCHECKSUMMy[n:0]
Input
An optional extension to the R payload that you can use to transmit checksum or parity information for the data. You can configure the width of this signal.
RVALIDMy
Input
Read data is valid.
RREADYMy
Output
Read data is ready.
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