A.8.6 Coherency address channel signals

Coherency address channel signals provide address and associated control information for snoop transactions.

The following table shows the coherency address channel signals.

Table A-13 Coherency address channel signals

Signal
Direction
Description
ACADDRSx[n:0]
Output
Snoop address.
The width of this signal is IMPLEMENTATION DEFINED.
ACPROTSx[2:0]
Output
Snoop protection type.
ACSNOOPSx[3:0]
Output
Snoop request type.
ACVALIDSx
Output
Snoop address is valid.
ACREADYSx
Input
The master interface is ready to accept the snoop address.
ACVMIDEXTSx[3:0]
Output
VMID signal to support DVMv8.1 messages. You can configure whether this signal is present.
If present, this output is driven from the corresponding ARVMIDEXTSx[3:0] input for all transactions except DVM Complete.
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