two questions of bmattribute | Cypress Semiconductor
two questions of bmattribute
1,In the endpoint descriptor,when in isochronous transfer the bmAttributes's bit 3:2 defines Synchronization Type as :No Synchronization/Asynchronous/Adaptive/Synchronous, what's the differences among them? To maximrize the transfer speed, how to set it?
2,The bmAttributes's bit 5:4 defines Usage Type as :Data endpoint/Feedback endpoint/Implicit feedback Data endpoint, what's the differences among them?