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.Defect 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 Description.............................................................................................................................................. 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.DC Characteristics..................................................................................................................... 12
3.2.3.AC Characteristics..................................................................................................................... 13
4.ATA Drive Register Set Definition and Protocol.................................................................................................. 13
4.1.ATA Task File Definitions.................................................................................................................. 13
4.1.1.Data 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.Drive/Head (LBA 27-24) Register............................................................................................. 14
4.1.9.Status Registers.......................................................................................................................... 15
4.1.10.Device Control Register........................................................................................................... 15
4.1.11.Drive Address Register............................................................................................................ 16
5.ATA Command Description................................................................................................................................. 16
5.1.ATA Command Set............................................................................................................................. 17
5.1.1.Identify Drive—ECH................................................................................................................. 18
Appendix A. Ordering Information.......................................................................................................................... 20
Appendix B.Technical Support Services.................................................................................................................. 21
Appendix C.Cactus Technologies® Worldwide Sales Offices.................................................................................22
Appendix D.Limited Warranty................................................................................................................................ 23
Cactus Technologies Limited
Industrial Grade CFast Card Product Manual
v1.1
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