Basic mode allows basic AXI4 traffic generation with less resource overhead. This mode is a lightweight version of the Advanced mode with the following AXI features not supported:
- Out-of-order transactions
- Narrow transfers
- Holes in write strobe
The following table shows the ports that are tied/assumed to default value.
| Port | Description |
|---|---|
| Lock = 0 | No exclusive access. |
| Burst = 1 | Only INCR transfers. |
| Prot = 0 | Only Data access. |
| Cache = 3 | Cache signals driven to zero. |
| User = 0 | User signals driven to zero. |
| Qos = 0 | Quality of Service (QoS) signals driven to zero. |
| Size | Full data width support. For example, 2 for 32-bit data width, 3 for 64-bit data width, and others. |
PARAMRAM features are not supported in this mode.
Recommended: Write the default values in
the preceding table into the command RAM when programming the command RAM
entries.