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●Bulk Transfers
Used to transfer large bursty data.
Error detection via CRC, with guarantee of delivery.
No guarantee of bandwidth or minimum latency.
Stream Pipe - Unidirectional
Full & high speed modes only.
●Isochronous Transfers provide
Guaranteed access to USB bandwidth.
Bounded latency.
Stream Pipe - Unidirectional
Error detection via CRC, but no retry or guarantee of delivery.
Full & high speed modes only.
No data toggling.
●Interrupt Transfers
Guaranteed Latency
Stream Pipe - Unidirectional
Error detection and next period retry.
출처 :
http://www.beyondlogic.org/usbnutshell/usb4.shtml
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