Table Of Contents - SanDisk SDSDB-32-201-80 - Industrial Grade Flash Memory Card Product Manual

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