Altera Cyclone V Device Handbook page 918

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External host initiated resume is detected.

LPM handshake is sent.

Reset is detected when in suspend or normal mode.

USB suspend mode is detected.

Data fetch is suspended due to TX FIFO buffer full or request queue full.

At least one isochronous OUT endpoint is pending at the end of the

At least one isochronous IN endpoint is pending at the end of the

At least one IN or OUT endpoint interrupt is pending at the end of the

The end of the periodic frame is reached.

Failure to write an isochronous OUT packet to the RX FIFO buffer. The

RX FIFO buffer does not have enough space to accommodate the

maximum packet size for the isochronous OUT endpoint.

Enumeration has completed.

Connector ID change.

Mode mismatch. Software accesses registers belonging to an incorrect

Nonperiodic TX FIFO buffer is empty.

RX FIFO buffer is not empty.

Start of microframe.

Device connection debounce is complete in host mode.

A-Device timeout while waiting for B-Device connection.

Host negotiation is complete.

Session request is complete.

Session end is detected in device mode.

USB 2.0 OTG Controller

Send Feedback

Common modes

OTG interrupts

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