Upgrade Host Driver/Application Instruction Manual

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