USB Transfers
Device
Pipes
Pipe’s define a Transfer Type as
well as the endpoint and direction
USB supports 4 Transfer Types:
Control Setup/Command/Status
Interrupt Small size, Periodic
Guaranteed latency
Guaranteed bandwidth
Bulk Large size allowed
No time guarantees
Isochronous Guar. time, Periodic
No error handling
Not supported on ‘430
Contrary to the name, ‘interrupt’
transfers are not initiated by device
00
Endpoints
…
11 77
Host
InOut
To Next Page
Loading...
