USB on-the-go full-speed/high-speed (OTG_FS/OTG_HS) RM0390
1216/1328 RM0390 Rev 4
1. Initialize and enable channel 1. The application must set the ODDFRM bit in
OTG_HCCHAR1.
2. Write the first packet for channel 1.
3. Along with the last word write of each packet, the OTG_FS/OTG_HS host writes an
entry to the periodic request queue.
4. The OTG_FS/OTG_HS host attempts to send an OUT token in the next (odd) frame.
5. The OTG_FS/OTG_HS host generates an XFRC interrupt as soon as the last packet is
transmitted successfully.
6. In response to the XFRC interrupt, reinitialize the channel for the next transfer.
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