A.9.1 ACE-Lite-with-DVM slave interface signals

This interface is present as the ACE-Lite-with-DVM slave port for an RN-I bridge. The signal descriptions show which signals specific to DVM functionality are not present in an ACE-Lite interface without DVM.

The following table shows the clock and power management signals.

Table A-42 Clock and power management signals

Signal Type Description Connection information
ACLKEN_S Input AXI bus clock enable Connect to clock enable logic. Tie high if RN-I port is unused.
CACTIVE_S Input Indication that master device is active Connect to the CACTIVE output of the corresponding ADB-400, if present, otherwise tie LOW.

The following table shows the Write Address Channel signals.

Table A-43 Write Address Channel signals

Signal Type Description Connection information
AWREADY_S Output Write address ready Connect to corresponding master device, if populated.
AWVALID_S Input Write address valid Connect to corresponding master device, if populated, otherwise tie LOW.
AWID_S[10:0] Input Write address ID
AWADDR_S[39:0] Input Write address
AWLEN_S[7:0] Input Write burst length
AWSIZE_S[2:0] Input Write burst size
AWBURST_S[1:0] Input Write burst type
AWLOCK_S Input Write lock type
AWCACHE_S[3:0] Input Write memory type
AWUSER_S[x:0]a Input User-defined signal
AWPROT_S[2:0] Input Write protection type
AWQOS_S[3:0] Input Write Quality of Service identifier
AWSNOOP_S[2:0] Input Write transaction type
AWDOMAIN_S[1:0] Input Write shareability domain
AWBAR_S[1:0] Input Write barrier transaction

The following table shows the Write Data Channel signals.

Table A-44 Write Data Channel signals

Signal Type Description Connection information
WREADY_S Output Write data ready Connect to corresponding master device, if populated.
WVALID_S Input Write data valid Connect to corresponding master device, if populated, otherwise tie LOW.
WDATA_S[127:0] Input Write data Connect to corresponding master device, if populated, otherwise tie LOW.
WSTRB_S[15:0] Input Write byte-lane strobes Connect to corresponding master device, if populated, otherwise tie LOW.
WLAST_S Input Write data last transfer indication Connect to corresponding master device, if populated, otherwise tie LOW.
WUSER_S[0] Input HIGH when the parity data is valid. Connect to corresponding master device, if populated, otherwise tie LOW.
WUSER_S[16:1] Input Odd parity data. Connect to corresponding master device, if populated, otherwise tie LOW.

The following table shows the Write Response Channel signals.

Table A-45 Write Response Channel signals

Signal Type Description Connection information
BREADY_S Input Write response ready Connect to corresponding master device, if populated, otherwise tie LOW.
BVALID_S Output Write response valid Connect to corresponding master device, if populated.
BID_S[10:0] Output Write response ID
BRESP_S[1:0] Output Write response
BUSER_S[3:0] Output User response signal

The following table shows the Read Address Channel signals.

Table A-46 Read Address Channel signals

Signal Type Description Connection information
ARREADY_S Output Read address ready Connect to corresponding master device, if populated.
ARVALID_S Input Read address valid Connect to corresponding master device, if populated, otherwise tie LOW.
ARID_S[10:0] Input Read address ID
ARADDR_S[39:0] Input Read address
ARLEN_S[7:0] Input Read burst length
ARSIZE_S[2:0] Input Read burst size
ARBURST_S[1:0] Input Read burst type
ARLOCK_S Input Read lock type
ARCACHE_S[3:0] Input Read cache type
ARUSER_S[x:0]b Input User-defined signal
ARPROT_S[2:0] Input Read protection type
ARQOS_S[3:0] Input Read Quality of Service value
ARSNOOP_S[3:0] Input Read transaction type
ARDOMAIN_S[1:0] Input Read shareability domain
ARBAR_S[1:0] Input Read barrier transaction

The following table shows the Read Data Channel signals.

Table A-47 Read Data Channel signals

Signal Type Description Connection information
RREADY_S Input Read data ready Connect to corresponding master device, if populated, otherwise tie LOW.
RVALID_S Output Read data valid Connect to corresponding master device, if populated.
RID_S[10:0] Output Read data ID Connect to corresponding master device, if populated.
RDATA_S[127:0] Output Read data Connect to corresponding master device, if populated.
RRESP_S[1:0] Output Read data response Connect to corresponding master device, if populated.
RLAST_S Output Read data last transfer indication Connect to corresponding master device, if populated.
RUSER_S[0] Output Indicates when the parity data is valid. Connect to corresponding master device, if populated.
RUSER_S[16:1] Output Odd parity data. Connect to corresponding master device, if populated.

The following table shows the Snoop Address Channel signals. These signals are not included in an ACE-Lite interface without DVM.

Table A-48 Snoop Address Channel signals

Signal Type Description Connection information
ACREADY_S Input Snoop address ready Connect to corresponding master device, if populated, otherwise tie LOW.
ACVALID_S Output Snoop address valid Connect to corresponding master device, if populated.
ACADDR_S[43:0] Output Snoop address
ACSNOOP_S[3:0] Output Snoop transaction type
ACPROT_S[2:0] Output Snoop protection type

The following table shows the Snoop Response Channel signals. These signals are not included in an ACE-Lite interface without DVM.

Table A-49 Snoop Response Channel signals

Signal Type Description Connection information
CRREADY_S Output Snoop response ready Connect to corresponding master device, if populated.
CRVALID_S Input Snoop response valid Connect to corresponding master device, if populated, otherwise tie LOW.
CRRESP_S[4:0] Input Snoop response.

 

a The value x is based on REQ VC RSVDC width producing either 3:0 or 7:0.
b The value x is based on REQ VC RSVDC width producing either 3:0 or 7:0.
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