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iii SanDisk miniSD Card Product Manual, Rev. 1.1 © 2003 SANDISK CORPORATION
Table of Contents
1. Introduction to the SanDisk miniSD Card.......................................................................................................... 1-1
1.1. Scope................................................................................................................................................. 1-2
1.2. Product Models ................................................................................................................................. 1-2
1.3. System Features................................................................................................................................. 1-2
1.4. miniSD Card Standards..................................................................................................................... 1-3
1.5. Functional Description ...................................................................................................................... 1-3
1.5.1. Flash Technology Independence............................................................................................. 1-3
1.5.2. Defect and Error Management................................................................................................ 1-4
1.5.3. Copyright Protection ............................................................................................................... 1-4
1.5.4. Endurance ............................................................................................................................... 1-4
1.5.5. Wear Leveling......................................................................................................................... 1-4
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. miniSD—SD Bus Mode.......................................................................................................... 1-5
1.5.10. miniSD Card—SPI Mode ..................................................................................................... 1-9
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. miniSD Card Interface Description .................................................................................................................... 3-1
3.1. General Description of Pins and Registers........................................................................................ 3-1
3.1.1. Pin Assignments in mini SD Mode......................................................................................... 3-1
SPI Mode.................................................................................................................................................................. 3-1
3.1.2. miniSD Card Registers............................................................................................................ 3-2
3.2. SD Bus Topology.............................................................................................................................. 3-3
3.2.1. Power Protection ..................................................................................................................... 3-5
3.3. SPI Bus Topology ............................................................................................................................. 3-5
3.3.1. Power Protection ..................................................................................................................... 3-6
3.4. Electrical Interface ............................................................................................................................ 3-7
3.4.1. Power-up ................................................................................................................................. 3-7
3.4.2. Bus Operating Conditions....................................................................................................... 3-8
3.4.3. Bus Signal Line Load.............................................................................................................. 3-8
3.4.4. Bus Signal Levels.................................................................................................................... 3-9
3.4.5. Bus Timing.............................................................................................................................. 3-10
3.5. miniSD Card Registers...................................................................................................................... 3-11
3.5.1. Operating Conditions Register (OCR) .................................................................................... 3-11
3.5.2. Card Identification (CID) Register.......................................................................................... 3-12
3.5.3. CSD Register........................................................................................................................... 3-13
3.5.4. SCR Register........................................................................................................................... 3-20
3.5.5. Status Register......................................................................................................................... 3-22
3.5.6. SD Status................................................................................................................................. 3-24
3.5.7. RCA Register .......................................................................................................................... 3-24
- Product Manual 1
- Table of Contents 3
- Table of Contents 5
- 1.1. Scope 8
- 1.2. Product Models 8
- 1.3. System Features 8
- 1.4. miniSD Card Standards 9
- 1.5. Functional Description 9
- 2. Product Specifications 19
- 2.4. System Performance 20
- 2.6. Physical Specifications 21
- 3.2. SD Bus Topology 29
- 3.3. SPI Bus Topology 31
- 3.4. Electrical Interface 33
- 3.4.5. Bus Timing 36
- Table 3-6. Bus Timing 36
- 3.5. miniSD Card Registers 37
- 8 7 4 3 38
- Physical Specification 41
- Version 41
- 1-3 Reserved 41
- READ_BL_LEN 43
- C_SIZE_MULT+2 44
- WRITE_BL_LEN 45
- Prot 2, Spec V1.01 46
- 4.1. SD Bus Protocol 53
- SPI Operation 58
- CS Asserted ("0") 58
- Note that ACMD41 59
- 4.4. Data Transfer Mode 60
- 4.5. Clock Control 66
- 100KHz-400KHz Clocks 67
- 4.7. Error Conditions 69
- 4.8. Commands 70
- 4.10. Responses 77
- 4.11. Timings 79
- 4.11.4. Timing Values 84
- Table 4-33. Timing Values 84
- 5. SPI Protocol Definition 85
- 5.2. SPI Command Set 91
- 5.3. Card Registers 100
- 5.4. SPI Bus Timing Diagrams 100
- 5.7. Bus Timing 103
- Ordering Information 106
- SanDisk Worldwide Web Site 107
- Technical Support Services 108
- SanDisk Corporate 109
- Headquarters 109
- Appendix D. Limited Warranty 111
- Limited Warranty 112
- Limited Warranty 113
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