MSP430's USB Support
Suggested Reading
“Starting a USB Design Using MSP430™ MCUs” App Note by Keith Quiring
(Sept 2013) (Search ti.com for SLAA457.pdf)
“Programmers_Guide_MSP430_USB_API” by Texas Instruments (Aug 2013)
Found in the MSP430 USB Developers Package
“USB Complete: The Developer's Guide” by Jan Axelson (ISBN 1931448086)
http://www.amazon.com/USB-Complete-Developers-Guide-Guides/dp/1931448086
7 - 10 MSP430 Workshop - USB Devices