DS804 Datasheet, PDF (3/7 Pages) Xilinx, Inc – The following tables list the external slave signals and master

LogiCORE™ IP AXI External Master Connector (v1.00.a)
Table 1: I/O Slave Signals (Cont’d)
Signal Name
Interface
Signal
Type
Description
S_AXI_AWREADY
AW
O
AXI Write address ready.
AXI Write Data Channel Signals (W)
S_AXI_WDATA
[C_M_AXI_DATA_WIDTH-1:0]
W
I
AXI Write data.
S_AXI_WSTRB
[C_M_AXI_DATA_WIDTH/8-1:0]
W
I
AXI Write data strobes.
S_AXI_WLAST
W
I
AXI Write data last signal. Indicates the last transfer in a Write
burst.
S_AXI_WUSER
[C_M_AXI_WUSER_WIDTH-1:0]
W
I
User-defined W Channel signals.
S_AXI_WVALID
W
I
AXI Write data valid.
S_AXI_WREADY
W
O
AXI Write data Ready.
AXI Write Response Channel Signals (B)
S_AXI_BID
[C_M_AXI_THREAD_ID_WIDTH-1:0]
B
O
AXI Write response ID. ⁽¹⁾
S_AXI_BRESP [1:0]
B
O
AXI Write response code.
S_AXI_BUSER
B
O
User defined B channel signals.
S_AXI_BVALID
B
O
AXI Write response valid.
S_AXI_BREADY
B
I
Write response Ready.
AXI Read Address Channel Signals (AR)
S_AXI_ARID
[C_M_AXI_THREAD_ID_WIDTH-1:0]
AR
I
AXI address Read ID. ⁽¹⁾
S_AXI_ARADDR
[C_M_AXI_ADDR_WIDTH-1:0]
AR
I
AXI Read address.
S_AXI_ARLEN [7:0]
AR
I
AXI address Read burst length.
S_AXI_ARSIZE [2:0]
AR
I
AXI address Read burst size.
S_AXI_ARBURST [1:0]
AR
I
AXI address Read burst type.
S_AXI_ARLOCK
AR
I
AXI Read address lock signal. ⁽¹⁾
S_AXI_ARCACHE [3:0]
AR
I
AXI Read address cache control signal.
S_AXI_ARPROT [2:0]
AR
I
AXI Read address protection signal.
S_AXI_ARQOS [3:0]
AR
I
Channel Quality of Service (QoS). ⁽¹⁾
S_AXI_ARUSER
[C_S_AXI_ARUSER_WIDTH-1:0]
AR
I
User-defined AR Channel signals.
S_AXI_ARVALID
AR
I
AXI Read address valid.
S_AXI_ARREADY
AR
O
AXI Read address ready.
AXI Read Data Channel Signals (R)
S_AXI_RID
[C_M_AXI_THREAD_ID_WIDTH-1:0]
R
O
AXI Read data response ID. ⁽¹⁾
S_AXI_RDATA [C_S_AXI_DATA_WIDTH-1:0]
R
O
AXI Read data.
S_AXI_RRESP [1:0]
R
O
AXI Read response code.
1. Advanced signal available for connection only when C_USE_ADVANCED_PORTS=1.
DS804 September 21, 2010
www.xilinx.com
3
Product Specification