SanDisk 2GB - 2GB Micro Secure Digital Card Product Manual Download | Manualshive

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SanDisk microSD™, microSDHC™ and microSDXC™ cards

OEM Product Manual

2.5

January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements

5

Figure 2: Memory Array Partitioning

Figure 3: Data Transfer Formats

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Summary of Contents for 2GB - 2GB Micro Secure Digital Card

Page 1: ...Phone 4 microS d mic M Prod Revi cument N Janua SanDisk rters 601 M 08 801 100 www sa SD croSD duct M sion 2 5 No 80 36 ary 2012 Corporat McCarthy Bl 00 Fax 4 andisk com micro XC anual 03335 tion lvd...

Page 2: ...Corporation assumes no responsibility for any errors that may appear in this document or related material nor for any damages or claims resulting from the furnishing performance or use of this docume...

Page 3: ...0 ACMD41 to ready after power up updated Updated marking section 5 Updated Tables 7 9 and 11 to remove 1G references Updated Figure 1 SD card block diagram March 2011 2 1 Added speed class to Orderin...

Page 4: ...7 2 1 2 System Performance 8 2 1 3 Reliability and Durability 9 2 1 4 Physical Specifications 9 3 Interface Description 10 3 1 Pins and Registers 10 3 2 Bus Topology 11 3 2 1 SD Bus 11 3 2 2 SPI Bus 1...

Page 5: ...e non disclosure agreements iv 4 3 1 Card Identification Mode 17 4 3 2 Data Transfer Mode 17 4 3 3 Clock Control 18 4 3 4 Cyclic Redundancy Codes 18 4 3 5 Error Conditions 18 4 3 6 Commands 18 4 3 7 C...

Page 6: ...ed use by mutual authentication and a cipher algorithm Unsecured access to the user s own content is also available microSD cards are based on a 8 pin interface designed to operate in a maximum operat...

Page 7: ...t in write protection features permanent and temporary Supports card detection insertion and removal Application specific commands 1 3 Scope This document describes key features and specifications of...

Page 8: ...ller host system software will not need to be updated as new flash memory evolves In other words systems that support the microSD Card Product Family today will be able to access future SanDisk cards...

Page 9: ...host but will be supported through the connector Connector manufacturers will provide connectors that have power pins long enough to be powered before contact is made with the other pins 1 6 microSD C...

Page 10: ...croSDXC cards OEM Product Manual 2 5 January 2012 Version 2 5 2008 2012 SanDisk Corporation SanDisk Confidential subject to all applicable non disclosure agreements 5 Figure 2 Memory Array Partitionin...

Page 11: ...length for write operations must be identical to the sector size and the start address aligned to a sector boundary Multiple Block This mode is similar to the single block mode except for the host ca...

Page 12: ...Card Power Requirements The values stated in Table 2 represent the SanDisk microSD Card power requirements Table 2 SanDisk microSD Card Power Requirements Mode Maximum Value Typical Value 25C Standard...

Page 13: ...ection provides the system performance specifications for the SanDisk microSD Card Product Family All performance values in Table 3 were measured under the following conditions Voltage range 2 7 to 3...

Page 14: ...reliability and durability specifications refer to SDA Physical Layer Specification Version 3 01 and microSD Card Addendum v3 0 2 1 4 Physical Specifications Figure 4 and Figure 5 provide the physical...

Page 15: ...S S Supply voltage ground 7 DAT0 I O PP Data Line bit 1 DataOUT O PP Data Out 8 DAT1 2 4 I O PP Data Line bit 2 RSV 4 Reserved Notes 1 Type Key S power supply I input O output using push pull drivers...

Page 16: ...or more details refer to Section 3 5 of the SDA Physical Layer Specification Version 3 01 Section 6 of the specification contains a bus circuitry diagram for reference 3 2 1 SD Bus For more details re...

Page 17: ...ng diodes and can cause the card to go into an unknown state It is the host s responsibility to make sure power gets to VDD before CMD CLK or DAT0 3 go above zero volts 3 4 2 Bus Operating Conditions...

Page 18: ...facturing date yym offset from 2000 CRC7 Checksum CRC Binary 7 CRC7 Calculated Not used always 1 1 3 5 3 Card Specific Data Register The Card Specific Data CSD Register configuration information is re...

Page 19: ...DSR_IMP No DSR implemented Reserved C_SIZE 1 GB 2 GB Secured 0xF22 0xF24 Device size VDD_R_CURR_MIN 100 mA Maximum read current VDD min VDD_R_CURR_MAX 80 mA Maximum read current VDD max VDD_W_CURR_MIN...

Page 20: ...ent READ_BLK_MISALIGN No Read block misalignment DSR_IMP No DSR implemented 0 Reserved C_SIZE See SDA Physical Layer Specification Device size 0 Reserved ERASE_BLK_EN 1 Erase single block enable SECTO...

Page 21: ...ion 3 01 3 5 8 microSD Card Product Family Registers in SPI Mode All card registers are accessible in SPI Mode Their format is identical to the format in the SD Bus Mode however a few fields are irrel...

Page 22: ...us Protocol Communication over the SD bus is based on command and data bit streams initiated by a start bit and terminated by a stop bit See Section 3 6 1 of the SDA Physical Layer Specification Versi...

Page 23: ...Section 4 6 of the SDA Physical Layer Specification Version 3 01 4 3 5 Commands See Section 4 7 of the SDA Physical Layer Specification Version 3 01 for detailed information about card commands in the...

Page 24: ...microSD cards have a laser marking indicating details on the manufacture of the card Field 1 CC Capacity Code Made in XXXXX Country of Origin China or Taiwan Field 2 YYDDDXXXXXL YY is year of manufac...

Page 25: ...6GB 4 SDSDQ 032G 32GB 4 1 1 gigabyte GB 1 billion bytes Some capacity not available for data storage UHS Performance Line Part Number Capacity2 Interface Typical Performance1 SDSDQAB 004G 4GB SD3 0 UH...

Page 26: ...apacity2 Interface Typical Performance1 SDSDQAD 008G 8GB SD3 0 UHS I 50 Sequential Write 10MB s Sequential Read 40MB s Random Write 250 IOPs Random Read 1000 IOPs UHS Speed Class U1 SDSDQAD 016G 16GB...

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