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Sandisk Secure Digital Card SanDisk Secure Digital Card Product Manual Version 1.9 Document No. 80-13-00169 December 2003 SanDisk Corporation Corporate Headquarters • 140 Caspian Court • Sunnyvale, CA 94089 Phone (408) 542-0500 • Fax (408) 542-0503 www.sandisk.com SanDisk® Corporation general policy does not recommend the use of its products in life support applications where in a failure or malfunction of the product may directly threaten life or injury. Per SanDisk Terms and Conditions of Sale, the user of SanDisk products in life support applications assumes all risk of such use and indemnifies SanDisk against all damages. See “Limited Warranty and Disclaimer of Liability.” This document is for information use only and is subject to change without prior notice. SanDisk Corporation assumes no responsibility for any errors that may appear in this document, nor for incidental or consequential damages resulting from the furnishing, performance or use of this material. No part of this document may be reproduced, transmitted, transcribed, stored in a retrievable manner or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written consent of an officer of SanDisk Corporation. SanDisk and the SanDisk logo are registered trademarks of SanDisk Corporation. Product names mentioned herein are for identification purposes only and may be trademarks and/or registered trademarks of their respective companies. © 2003 SanDisk Corporation. All rights reserved. SanDisk products are covered or licensed under one or more of the following U.S. Patent Nos. 5,070,032; 5,095,344; 5,168,465; 5,172,338; 5,198,380; 5,200,959; 5,268,318; 5,268,870; 5,272,669; 5,418,752; 5,602,987. Other U.S. and foreign patents awarded and pending. Lit. No. 80-13-00169 Rev. 1.9 12/2003 Printed in U.S.A. Revision History • Revision 1.0 dated 6/2001−initial release. • Revision 1.1 dated 11/2001−minor editorial and technical changes. • Revision 1.2 dated 6/2002−minor editorial and technical changes. • Revision 1.3 dated 7/2002−minor editorial and technical changes. • Revision 1.4 dated 11/2002—minor editorial change. • Revision 1.5 dated 3/2003— changed power requirements in Section 2.3, Table 2.3; updated addresses in Appendix A; adjusted footers and front matter. • Revision 1.6 dated 8/2003—added 512- and 1024-Mb capacities; updated “Limited Warranty” appendix; added “Disclaimer of Liability” appendix. • Revision 1.7 dated 9/2003—minor revisions; added appnote as Appendix A • Revision 1.8 dated 11/2003—changed VDD read/write values in Section 2 and Table 3-10 • Revision 1.9 dated 12/2003—changed VDD read/write values in Table 3-10 ii SanDisk Secure Digital (SD) Card Product Manual, Rev. 1.9 © 2003 SANDISK CORPORATION Table of Contents 1. Introduction to the SD Card ............................................................................................................................... 1-1 1.1. Scope................................................................................................................................................. 1-2 1.2. Product Models ................................................................................................................................. 1-2 1.3. System Features................................................................................................................................. 1-2 1.4. SD Card Standard.............................................................................................................................. 1-3 1.5. Functional Description ...................................................................................................................... 1-3 1.5.1. Flash Technology Independence............................................................................................. 1-4 1.5.2. Defect and Error Management................................................................................................ 1-4 1.5.3. Copyright Protection............................................................................................................... 1-4 1.5.4. Endurance ............................................................................................................................... 1-5 1.5.5. Wear Leveling......................................................................................................................... 1-5 1.5.6. Using the Erase Command...................................................................................................... 1-5 1.5.7. Automatic Sleep Mode............................................................................................................ 1-5 1.5.8. Hot Insertion ........................................................................................................................... 1-5 1.5.9. SD Card—SD Bus Mode ........................................................................................................ 1-6 1.5.9.1. SD Card Standard Compliance .............................................................................. 1-6 1.5.9.2. Negotiating Operation Conditions ......................................................................... 1-6 1.5.9.3. Card Acquisition and Identification....................................................................... 1-6 1.5.9.4. Card Status............................................................................................................. 1-6 1.5.9.5. Memory Array Partitioning.................................................................................... 1-7 1.5.9.6. Read and Write Operations.................................................................................... 1-9 1.5.9.7. Data Transfer Rate................................................................................................. 1-9 1.5.9.8. Data Protection in the Flash Card .......................................................................... 1-10 1.5.9.9. Erase ...................................................................................................................... 1-10 1.5.9.10. Write Protection................................................................................................... 1-10 1.5.9.11. Copy Bit............................................................................................................... 1-10 1.5.9.12. The CSD Register ................................................................................................ 1-10 1.5.10. SD Card—SPI Mode............................................................................................................. 1-10 1.5.10.1. Negotiating Operating Conditions ....................................................................... 1-11 1.5.10.2. Card Acquisition and Identification..................................................................... 1-11 1.5.10.3. Card Status...........................................................................................................1-11 1.5.10.4. Memory Array Partitioning.................................................................................. 1-11 1.5.10.5. Read and Write Operations.................................................................................. 1-11 1.5.10.6. Data Transfer Rate............................................................................................... 1-11 1.5.10.7. Data Protection in the SD Card............................................................................ 1-11 1.5.10.8. Erase .................................................................................................................... 1-11 1.5.10.9. Write Protection................................................................................................... 1-12 1.5.10.10. Copyright Protection.......................................................................................... 1-12 2. Product Specifications........................................................................................................................................ 2-1 2.1. System Environmental Specifications............................................................................................... 2-1 2.2. Reliability and Durability.................................................................................................................. 2-1 2.3. Typical Card Power Requirements.................................................................................................... 2-2 2.4. System Performance.......................................................................................................................... 2-2 2.5. System Reliability and Maintenance................................................................................................. 2-2 2.6. Physical Specifications...................................................................................................................... 2-3 3. SD Card Interface Description ........................................................................................................................... 3-1 3.1. General Description of Pins and Registers........................................................................................ 3-1 3.1.1. Pin Assignments in SD Card Mode ........................................................................................ 3-1 SanDisk Secure Digital (SD) Card Product Manual, Rev. 1.9 © 2003 SANDISK CORPORATION iii Table of Contents 3.1.2. Pin Assignments in SPI Mode................................................................................................
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