Table of Contents
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Table of Contents
Related Manuals for SanDisk 2GB SANDISK - 2GB Micro Secure Digital Card
Summary of Contents for SanDisk 2GB SANDISK - 2GB Micro Secure Digital Card
- Page 1 XC™ M Prod duct M anual Revi sion 2.5 cument N No. 80-36- -03335 Janua ary 2012 SanDisk Corporat tion Corporat te Headquar rters • 601 M McCarthy Bl lvd. • Milpita as, CA 9503 Phone (4 08) 801-100 00 • Fax (4 08) 801-86 www.sa...
- Page 2 Without limitation to the foregoing, SanDisk shall not be liable for any loss, injury or damage caused by use of its products in any of the following applications: •...
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Page 3: Revision History
Updated Figure 7 to add High Performance figure. Added Ordering Information. November 2011 Reference to SDA corrections. Added SDSDQAD SKUs to January 2012 Ordering Information January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements... -
Page 4: Table Of Contents
Card Protocol Description ............17 4.1 General Description ..............17 4.2 SD Bus Protocol ................17 4.3 Functional Description ..............17 January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements iii... - Page 5 4.3.8 Timing Diagrams and Values ..........18 4.3.9 Speed Class Specification ........... 18 4.3.10 Erase Timeout Calculation ........... 18 Marking .................... 19 Ordering Information ................20 January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements iv...
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Page 6: Introduction
Error Correction Code (ECC) algorithms; defect handling; power management; wear leveling, and clock control. Figure 1: SanDisk microSD Card Block Diagram January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements... -
Page 7: Features
2400 Camino Ramon, Suite 375 San Ramon, CA 94583 USA Telephone: +1 (925) 275-6615 Fax: +1 (925) 886-4870 E-mail: office@sdcard.org Web site: www.sdcard.org January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements... -
Page 8: Functional Description
A unique feature of cards in the SanDisk microSD Card Product Family is automatic entrance and exit from sleep mode. Upon completion of an operation, cards enter January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements... -
Page 9: Hot Insertion
Transfer Rate, Data Protection in Flash Cards, Write Protection, Copy Bit, and CSD Register. Additional practical card detection methods can be found in application notes pertaining to the SDA Physical Layer Specification, Version 3.01. January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements... - Page 10 SanDisk microSD™, microSDHC™ and microSDXC™ cards OEM Product Manual Figure 2: Memory Array Partitioning Figure 3: Data Transfer Formats January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements...
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Page 11: Spi Mode
SPI channel, commonly found in Motorola and other vendors' microcontrollers. Detailed information about SPI Mode can be found in Section 7 or the SDA Physical Layer Specification, Version 3.01. January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements... -
Page 12: Product Specifications
Note: Current consumption is measured by averaging over one (1) second. Refer to Section 6.6.3 of the SDA Physical Layer Specification, Version 3.01 for more information January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements... -
Page 13: System Performance
Block Read Access Time 100 ms Block Write Access Time 250 ms for SDHC, 500ms for SDXC ACMD41 to ready after power-up January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements... -
Page 14: Reliability And Durability
Mechanical Specification for microSD Memory Card. Note: Dimensions are in mm. Figure 4: microSD Card Top View and Side View Figure 5: microSD Card Bottom View January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements... -
Page 15: Interface Description
DAT2 line may be used as Read Wait signal in SDIO mode. January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements 10... -
Page 16: Bus Topology
CMD, CLK, and DAT0-3 must be at zero (0) volts when power is applied to the VDD pin. For more information, refer to Section 6.4.1 of the SDA Physical Layer Specification, Version 3.01. January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements 11... -
Page 17: Bus Operating Conditions
The Card Identification (CID) Register is 16 bytes long and contains the unique card identification number. It is programmed during card manufacturing and cannot be changed by card hosts. See Table 8. January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements 12... -
Page 18: Card Specific Data Register
Table 8 provides an overview of the CSD Register. More field-specific information can be found in Section 5.3.2 of the SDA Physical Layer Specification, Version 3.01. January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements 13... - Page 19 Permanent write protection TMP_WRITE_PROTECT Not protected Temporary write protection FILE_FORMAT HD w/partition File format Reserved Reserved CRC7 Not used, always "1" January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements 14...
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Page 20: Card Status Register
The CSR is defined in Section 4.10.1 in the SDA Physical Layer Specification, Version 3.01. January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements 15... -
Page 21: Sd Status Register
SD Security Specification. The security protected area size is defined by SanDisk as approximately one percent of the total size of the card. January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements 16... -
Page 22: Microsd Card Protocol Description
Send Interface Condition command (CMD8). CMD8 is part of identification mode and command functional differences in microSD cards. January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements 17... -
Page 23: Clock Control
Section 4.13 of the SDA Physical Layer Specification, Version 3.01. 4.3.9 Erase Timeout Calculation See Section 4.14 of the SDA Physical Layer Specification, Version 3.01. January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements 18... -
Page 24: Marking
X, L, and # are SanDisk internal markings Note: Dimensions are in mm. High Performance microSD cards Figure 7: Marking Specs for microSD, microSDHC, microSDXC, UHS-I Cards, January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements 19... -
Page 25: Ordering Information
SDSDQAC-008G Sequential Read: 30MB/s SDSDQAC-016G 16GB SD3.0 UHS-I 50 Random Write: 150 IOPs SDSDQAC-032G 32GB Random Read: 500 IOPs SDSDQAC-064G 64GB January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements 20... - Page 26 Random Write: 250 IOPs SDSDQAD-032G 32GB Random Read: 1000 IOPs UHS Speed Class: U1 SDSDQAD-064G 64GB 1. Based on SanDisk internal testing; performance may be lower depending upon host device. 1 megabyte (MB) = 1 million bytes. 2. 1 gigabyte (GB) = 1 billion bytes. Some capacity not available for data storage. January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements 21...