Hard Processor System Technical Reference Manual: Agilex™ 5 SoCs
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5.6.6.2.4. Initialization on SetAddress Request
When application receives a SetAddress request in SETUP packet, following steps needed:
- DCFG: Program the DCFG register with device address received as part of the SetAddress request when SETUP packet is decoded
- DEPCMD1: After receiving XferNotReady event, acknowledge the status stage by issuing a DEPSTRTXFER command pointing to a Status TRB.
At this point, device is ready to receive micro-SOF/ITF and is configured to receive control transfers on the control endpoint0 with new address assigned.