RM0033 Rev 9 1107/1381
RM0033 USB on-the-go high-speed (OTG_HS)
1260
The peripheral core provides the following status checks and interrupt generation:
• Transfer completed interrupt, indicating that data transfer has completed on both the
application (AHB) and USB sides
• Setup stage done (control-out only)
• Associated transmit FIFO is half or completely empty (in endpoints)
• NAK acknowledge transmitted to the host (isochronous-in only)
• IN token received when Tx-FIFO was empty (bulk-in/interrupt-in only)
• OUT token received when endpoint was not yet enabled
• Babble error condition detected
• Endpoint disable by application is effective
• Endpoint NAK by application is effective (isochronous-in only)
• More than 3 back-to-back setup packets received (control-out only)
• Timeout condition detected (control-in only)
• Isochronous out packet dropped without generating an interrupt
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