SanDisk 4GB micro SDHC Memory Card for Product Manual - Page 5

SanDisk microSD™, microSDHC™ and microSDXC™ cards OEM Product Manual 2.5 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 Card State Transition 18 4.3.8 Timing Diagrams and Values 18 4.3.9 Speed Class Specification 18 4.3.10 Erase Timeout Calculation 18 5 Marking 19 6 Ordering Information 20 January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements iv