Hard Processor System Technical Reference Manual: Agilex™ 5 SoCs

ID 814346
Date 4/01/2024
Public

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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.