The AXI specification is available (after registration) on http://www.arm.com/products/system-ip/amba/amba-open-specifications.php. The AXI ports of the BA317 match AXI4 specification. However, they do not perform reordering. They support all burst types (narrow transfer, incremental/wrapping/fixed bursts).
The following tables represents the AXI port numbers.
| Signal | Direction | Description |
|---|---|---|
| Write Address Channel | ||
| pl_cust_slot_awidX [15:0] | In | |
| pl_cust_slot_awaddrX [31:0] | In | Byte address |
| pl_cust_slot_awlenX [7:0] | In | Length of burst (number of transfer minus 1) |
| pl_cust_slot_awsizeX [2:0] | In | Transfer width:
|
| pl_cust_slot_awburstX [1:0] | In | Burst type:
|
| pl_cust_slot_awvalidX | In | |
| cust_pl_slot_awreadyX | Out | |
| Write Data Channel | ||
| pl_cust_slot_widX[15:0] | In | |
| pl_cust_slot_wdataX [127:0] | In | Write data |
| pl_cust_slot_wstrbX [15:0] | In | Byte enable |
| pl_cust_slot_wlastX | In | Not used by the port |
| pl_cust_slot_wvalidX | In | |
| cust_pl_slot_wreadyX | Out | |
| Write response channel | ||
| cust_pl_slot_bidX[15:0] | Out | |
| cust_pl_slot_brespX[1:0] | Out | Tied to zero(OKAY). |
| cust_pl_slot_bvalidX | Out | |
| pl_cust_slot_breadyX | In | |
| Signal | Direction | Description |
|---|---|---|
| Read Address Channel | ||
| pl_cust_slot_aridX[15:0] | In | |
| pl_cust_slot_araddrX [31:0] | In | Byte address |
| pl_cust_slot_arlenX[7:0] | In | Length of burst (number of transfer minus 1) |
| pl_cust_slot_arsizeX[2:0] | In | Transfer width:
|
| pl_cust_slot_arburstX [1:0] | In | Burst type:
|
| pl_cust_slot_arvalidX | In | |
| cust_pl_slot_arreadyX | Out | |
| Read Data Channel | ||
| cust_pl_slot_ridX[15:0] | Out | |
| cust_pl_slot_rdataX[127:0] | Out | Read data |
| cust_pl_slot_rrespX[1:0] | Out | Tied to zero (OKAY) |
| cust_pl_slot_rlastX | Out | |
| cust_pl_slot_rvalidX | Out | |
| pl_cust_slot_rreadyX | In | |