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SD卡规范（英文）

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SD Memory Card Sp

ecifications

PHYSICAL LAYER SPECIFICATION

Part 1

April 15 2001

SD Group

Matsushita Electric Industrial Co., Ltd. (MEI)

SanDisk Corporation

Toshiba Corporation

Version 1.01

Date: April 2001

SD-Memory Card Specifications / Part 1. Physical Layer Specification; Version 1.01

1 General description - 6

2 System features - 8

3 SD Memory Card System Concept - 9

3.1 Bus Topology - 9

3.1.1 SD bus - 10

3.1.2 SPI bus - 11

3.2 Bus Protocol - 12

3.2.1 SD bus - 12

3.2.2 SPI Bus - 15

3.3 SD Memory Card - Pins and Registers - 17

3.4 Compatibility to MultiMediaCard - 19

4 SD Memory Card Functional Description - 22

4.1 General - 22

4.2 Card Identification Mode - 23

4.2.1 Card Reset - 23

4.2.2 Operating Voltage Range Validation - 23

4.2.3 Card Identification Process - 25

4.3 Data Transfer Mode - 25

4.3.1 Wide Bus Selection/Deselection - 27

4.3.2 Data Read - 28

4.3.3 Data Write - 28

4.3.4 Erase - 29

4.3.5 Write Protect Management - 30

4.3.6 Card Lock/Unlock Operation (Optional) - 31

4.3.7 Copyright Protection - 33

4.3.8 Application specific commands - 34

4.4 Clock Control - 35

4.5 Cyclic redundancy codes (CRC) - 36

4.6 Error Conditions - 37

4.6.1 CRC and Illegal Command - 37

4.6.2 Read, Write and Erase Time-out Conditions - 37

4.7 Commands - 38

4.7.1 Command Types - 38

4.7.2 Command Format - 39

4.7.3 Command Classes (Redefined for SD Memory Card) - 39

4.7.4 Detailed Command Description - 40

4.8 Card State Transition Table - 45

4.9 Responses - 47

4.10 SD Memory Card Status - 49

4.10.1 Card Status - 49

4.10.2 SD Status - 52

4.11 Memory Array Partitioning - 53

Date: April 2001

SD-Memory Card Specifications / Part 1. Physical Layer Specification; Version 1.01

4.12 Timings - 55

4.12.1 Command and Response - 55

4.12.2 Data Read - 56

4.12.3 Data Write - 57

4.12.4 Timing Values - 60

5 Card Registers - 61

5.1 OCR Register - 61

5.2 CID Register - 62

5.3 CSD Register - 63

5.4 RCA Register - 72

5.5 DSR Register (Optional) - 72

5.6 SCR Register - 72

6 SD Memory Card Hardware Interface - 74

6.1 Hot insertion and removal - 74

6.2 Card Detection (Insertion/Removal) - 75

6.3 Power protection (Insertion/Removal) - 75

6.4 Power up - 76

6.5 Programmable card output driver (Optional) - 78

6.6 Bus operating conditions - 80

6.7 Bus signal levels - 81

6.8 Bus timing - 82

6.9 Low Voltage (1.8v) SD Memory Cards (Preliminary) - 83

7 SPI Mode - 85

7.1 Introduction - 85

7.2 SPI Bus Protocol - 85

7.2.1 Mode Selection - 85

7.2.2 Bus Transfer Protection - 86

7.2.3 Data Read - 86

7.2.4 Data Write - 87

7.2.5 Erase & Write Protect Management - 89

7.2.6 Read CID/CSD Registers - 89

7.2.7 Reset Sequence - 89

7.2.8 Error Conditions - 90

7.2.9 Memory Array Partitioning - 90

7.2.10 Card Lock/unlock - 90

7.2.11 Application Specific commands - 90

7.2.12 Copyright Protection commands - 90

7.3 SPI Mode Transaction Packets - 90

7.3.1 Command Tokens - 90

7.3.2 Responses - 95

7.3.3 Data Tokens - 98

7.3.4 Data Error Token - 99

7.3.5 Clearing Status Bits - 99

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yuncmt

2012-04-16

是的，版本比较老，但比较全
caesar0810

2011-11-29

除了版本太老,其它很完美

refugee4585

粉丝: 0
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