[1] USB Mass Storage - Designing and Programming Devices and Embedded Hosts
[2] USB Mass Storage - From the Introduction
[3] Mass Storage Basics
[4] 群联 Phison UP19 / PS2251-50 Datasheet
[5] USB Approved Class Specification Documents - Mass Storage
[6] USB Complete 4th Edition
[7] Mass Storage Class Specification Overview 1.4