SanDisk SDSDB-32 Manuals

Manuals and User Guides for SanDisk SDSDB-32. We have 1 SanDisk SDSDB-32 manual available for free PDF download: Product Manual

SanDisk SDSDB-32 Product Manual

SanDisk SDSDB-32 Product Manual (113 pages)

Secure Digital Card

Brand: SanDisk | Category: Storage | Size: 1.17 MB

Table of Contents

Table of Contents
3
1 Introduction to the SD Card

7
- Scope
  8
- Product Models
  8
- System Features
  8
- SD Card Standard
  9
- Functional Description
  9
  - Flash Technology Independence
    10
  - Defect and Error Management
    10
  - Copyright Protection
    10
  - Endurance
    11
  - Wear Leveling
    11
  - Using the Erase Command
    11
  - Automatic Sleep Mode
    11
  - Hot Insertion
    11
  - SD Card-SD Bus Mode
    12
    
    SD Card Standard Compliance
    12
    
    Negotiating Operation Conditions
    12
    
    Card Acquisition and Identification
    12
    
    Card Status
    12
    
    Memory Array Partitioning
    13
    
    Read and Write Operations
    15
    
    Data Transfer Rate
    15
    
    Data Protection in the Flash Card
    16
    
    Erase
    16
    
    Write Protection
    16
    
    Copy Bit
    16
    
    The CSD Register
    16
  - SD Card-SPI Mode
    16
    
    Negotiating Operating Conditions
    17
    
    Card Acquisition and Identification
    17
    
    Card Status
    17
    
    Memory Array Partitioning
    17
    
    Read and Write Operations
    17
    
    Data Transfer Rate
    17
    
    Data Protection in the SD Card
    17
    
    Erase
    17
    
    Write Protection
    18
    
    Copyright Protection
    18
2 Product Specifications

20
3 SD Card Interface Description

26
- General Description of Pins and Registers
  26
  - Pin Assignments in SD Card Mode
    26
  - Pin Assignments in SPI Mode
    27
- SD Bus Topology
  28
  - Power Protection
    30
- SPI Bus Topology
  30
  - Power Protection
    31
- Electrical Interface
  31
  - Power-Up
    32
  - Bus Operating Conditions
    33
  - Bus Signal Line Load
    33
  - Bus Signal Levels
    34
  - Bus Timing
    35
- SD Card Registers
  36
  - Operating Conditions Register (OCR)
    36
  - Card Identification (CID) Register
    37
  - CSD Register
    38
  - SCR Register
    44
  - Status Register
    45
  - SD Status
    48
  - RCA Register
    48
  - SD Card Registers in SPI Mode
    49
- Data Interchange Format and Card Sizes
  49
4 Secure Digital (SD) Card Protocol Description

51
- SD Bus Protocol
  51
- Protocol's Functional Description
  54
- Card Identification Mode
  55
  - Reset
    56
  - Operating Voltage Range Validation
    57
  - Card Identification Process
    57
- Data Transfer Mode
  58
- Clock Control
  64
- Cyclic Redundancy Codes (CRC)
  65
- Error Conditions
  67
  - CRC and Illegal Command
    67
  - Read, Write and Erase Time-Out Conditions
    67
- Commands
  67
  - Command Types
    68
  - Command Format
    68
  - Command Classes
    68
  - Detailed Command Description
    70
- Card State Transition Table
  74
- Responses
  75
- Timings
  77
  - Command and Response
    77
  - Data Read
    78
  - Data Write
    79
  - Timing Values
    82
5 SPI Protocol Definition

83
- SPI Bus Protocol
  83
  - Mode Selection
    83
  - Bus Transfer Protection
    84
  - Data Read
    84
  - Data Write
    85
  - Erase and Write Protect Management
    86
  - Read CID/CSD Registers
    86
  - Reset Sequence
    87
  - Clock Control
    87
  - Error Conditions
    88
    
    CRC and Illegal Commands
    88
    
    Read, Write and Erase Time-Out Conditions
    88
  - Memory Array Partitioning
    90
  - Card Lock/Unlock
    90
  - Application Specific Commands
    90
  - Copyright Protection Commands
    90
- SPI Command Set
  90
  - Command Format
    90
  - Command Classes
    91
    
    Detailed Command Description
    91
  - Responses
    94
    
    Format R1
    95
    
    Format R1B
    95
    
    Format R2
    95
    
    Format R3
    96
    
    Data Response
    97
  - Data Tokens
    97
  - Data Error Token
    98
  - Clearing Status Bits
    98
- Card Registers
  98
- SPI Bus Timing Diagrams
  98
  - Command/Response
    99
  - Data Read
    100
  - Data Write
    100
  - Timing Values
    101
- SPI Electrical Interface
  101
- SPI Bus Operating Conditions
  101
- Bus Timing
  101
Appendix A. Application Note

103
- Host Design Considerations: NAND MMC and SD-Based Products Introduction
  103
- Timing
  103
- Timing Specifications
  103
- Read Access and Program Times
  103
- Interface
  104
- Read/Write Mode Selection
  106
- Power and Clock Control
  106
- Initialization Algorithm
  107
- File System Support
  107
Appendix B. Ordering Information

108
Appendix C. Sandisk Worldwide Sales Offices

109
Appendix D. Limited Warranty

111
Appendix E. Disclaimer of Liability

113

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