Maxim Integrated 73S1217F Device Firmware Upgrade Host Driver/Application - Manual (Page 3)

UG_12xxF_029 73S1215, 73S1217F DFU Host Driver/Application Development User’s Guide
Rev. 1.00 3
Table of Contents
1 Firmware Upgrade Architecture ........................................................................................................ 5
2 DFU – Phases of Operation ................................................................................................................ 6
2.1 Enumeration Phase ...................................................................................................................... 6
2.2 Reconfiguration Phase – Detach CCID Class/Attach DFU Class ................................................ 6
2.2.1 Detaching the CCID Class Device .................................................................................... 6
2.2.2 Attaching the DFU Class Device ....................................................................................... 7
2.3 Transfer Phase – Flash Programming .......................................................................................... 7
2.3.1 DFU Download Request .................................................................................................... 7
2.3.2 DFU Get Status Request ................................................................................................... 7
2.3.3 DFU Clear Status Request ................................................................................................ 8
2.3.4 DFU Get State Request .................................................................................................... 8
2.3.5 DFU Abort Request ........................................................................................................... 8
2.4 Manifestation Phase – Device Restart ......................................................................................... 8
3 Miscellaneous Features ..................................................................................................................... 9
3.1 Boot Loader and CCID Application Firmware Version Number ................................................... 9
4 Related Documentation ...................................................................................................................... 9
5 Contact Information ............................................................................................................................ 9
Revision History ........................................................................................................................................ 10