Table 1.
AXI4-Lite Interface Ports
| Signal Name |
I/O |
Description |
| s_axi_aclk |
I |
AXI Bus Clock. |
| s_axi_aresetn |
I |
AXI Reset. Active-Low. |
| s_axi_awaddr[18:0] |
I |
Write Address |
| s_axi_awprot |
I |
Protection type. |
| s_axi_awvalid |
I |
Write address valid. |
| s_axi_awready |
O |
Write address ready. |
| s_axi_wdata[31:0] |
I |
Write data bus. |
| s_axi_wstrb[3:0] |
I |
Write strobes. |
| s_axi_wvalid |
I |
Write valid. |
| s_axi_wready |
O |
Write ready. |
| s_axi_bresp[1:0] |
O |
Write response. |
| s_axi_bvalid |
O |
Write response valid. |
| s_axi_bready |
I |
Response ready. |
| s_axi_araddr[18:0] |
I |
Read address. |
| s_axi_arprot[1:0] |
I |
Protection type. |
| s_axi_arvalid |
I |
Read address valid. |
| s_axi_arready |
O |
Read address ready. |
| s_axi_rdata[31:0] |
O |
Read data. |
| s_axi_rresp[1:0] |
O |
Read response. |
| s_axi_rvalid |
O |
Read valid. |
| s_axi_rready |
I |
Read ready. |