Manual

803M Series Industrial Grade microSD Card Product Manual v2.0Cactus Technologies
®
Table of
CONTENTS
1. Introduction to Cactus Technologies
Industrial Grade 803M Series microSD Card Products ............................. 1
1.1.Supported Standards .................................................................................................................... 2
1.2.Product Features ........................................................................................................................... 2
1.2.1.Host and Technology Independence............................................................................ 2
1.2.2.Defect and Error Management ..................................................................................... 2
1.2.3.Intelligent Power Management ..................................................................................... 3
1.2.4.Power Supply Requirements ......................................................................................... 3
2. Product Specications ....................................................................................................... 4
2.1.System Environmental Specications ......................................................................................... 4
2.2.System Power Requirements ....................................................................................................... 4
2.3.System Performance ..................................................................................................................... 5
2.4.System Reliability ........................................................................................................................... 5
2.5.Physical Specications .................................................................................................................. 5
2.5.1.microSD Card Physical Specications .......................................................................... 5
3. Interface Description .......................................................................................................... 7
3.1.microSD Card Pin Assignments and Pin Type ............................................................................ 7
3.2.Signal Description .......................................................................................................................... 8
3.3.Bus Protocol ................................................................................................................................... 8
3.4.Electrical Specication .................................................................................................................. 9
3.4.1.Absolute Maximum Ratings .......................................................................................... 9
3.4.2.DC Charactaristics ........................................................................................................... 9
3.4.3.AC Charactaristics ........................................................................................................... 9
3.4.3.1. Bus Timing ......................................................................................................... 9
4. Register Table ......................................................................................................................... 10
4.1.Operation Condition Register (OCR) .........................................................................................10
4.2.Contiguous I/O Mapped Addressing ......................................................................................... 10
4.3.Relative Card Address Register (RCA) ........................................................................................11
4.4.Card Specic Data Register (CSD) .............................................................................................. 11
4.4.1.High Capacity Card CSD ...............................................................................................11
4.5.SD Card Conguration Register (SCR) ....................................................................................... 13
Appendix A.Ordering Information ..............................................................................15
Appendix B.Technical Support Services ................................................................16
Appendix C.Cactus Technologies
®
Worldwide Sales Oces ...............17
Appendix D.Limited Warranty ........................................................................................18