Texas Instruments MSP430 Student Guide

How USB Works
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
7 - 12 MSP430 Workshop - USB Devices

Texas Instruments MSP430 Specifications

General

Brand	Texas Instruments
Model	MSP430
Category	Microcontrollers
Language	English