
Cactus Technologies, Limited
Table of Contents
1.Introduction to Cactus Technologies® Industrial Grade CFast Products ...............................................................4
1.1.Supported Standards.............................................................................................................................. 5
1.2.Product Features.................................................................................................................................... 5
1.2.1.Host and Technology Independence.............................................................................................5
1.2.2. efect and Error Management.....................................................................................................5
1.2.3.Power Supply Requirements........................................................................................................ 6
2.Product Specifications............................................................................................................................................ 6
2.1.System Environmental Specifications....................................................................................................6
2.2.System Power Requirements................................................................................................................. 6
2.3.System Performance.............................................................................................................................. 7
2.4.System Reliability................................................................................................................................. 7
2.5.Physical Specifications.......................................................................................................................... 7
2.5.1.CFast Card Physical Specifications..............................................................................................8
3.nterface escription.............................................................................................................................................. 11
3.1.CFast Pin Assignments and Pin Type................................................................................................... 11
3.1.1.Optional Write Protect Function.................................................................................................12
3.2.Electrical Specifications...................................................................................................................... 12
3.2.1.Absolute Maximum Ratings....................................................................................................... 12
3.2.2. C Characteristics..................................................................................................................... 12
3.2.3.AC Characteristics..................................................................................................................... 13
4.ATA rive Register Set efinition and Protocol.................................................................................................. 13
4.1.ATA Task File efinitions.................................................................................................................. 13
4.1.1. ata Register............................................................................................................................. 13
4.1.2.Error Register............................................................................................................................ 13
4.1.3.Feature Register......................................................................................................................... 14
4.1.4.Sector Count Register................................................................................................................ 14
4.1.5.Sector Number (LBA 7-0) Register............................................................................................14
4.1.6.Cylinder Low (LBA 15-8) Register............................................................................................14
4.1.7.Cylinder High (LBA 23-16) Register.........................................................................................14
4.1.8. rive/Head (LBA 27-24) Register............................................................................................. 14
4.1.9.Status Registers.......................................................................................................................... 15
4.1.10. evice Control Register........................................................................................................... 15
4.1.11. rive Address Register............................................................................................................ 16
5.ATA Command escription................................................................................................................................. 16
5.1.ATA Command Set............................................................................................................................. 17
5.1.1.Identify rive—ECH................................................................................................................. 18
Appendix A. Ordering Information.......................................................................................................................... 20
Appendix B.Technical Support Services.................................................................................................................. 21
Appendix C.Cactus Technologies® Worldwide Sales Offices................................................................................. 22
Appendix .Limited Warranty................................................................................................................................ 23
Cactus Technologies Limited Industrial Grade CFast Card Product Manual v1.1 3