SanDisk 4GB micro SDHC Memory Card for Product Manual - Page 7

SanDisk microSD™, microSDHC™ and microSDXC™ cards OEM Product Manual 2.5 1.2 Features General features of cards in the SanDisk microSD Memory Card Product Family include: • Up to 64 GB1 of data storage • SD - protocol compatible • Supports SPI Mode • Targeted for portable and stationary applications for secured (content protected) and unsecured data storage • Voltage range of 2.7 to 3.6V • Variable clock rate 0-25 MHz (standard), 0-50 MHz (high performance), 0-100 MHz (Ultra High Speed) • Up to 50 MB/sec* data transfer rate (using four parallel data lines) • Memory field error correction • Content protection mechanism that complies with highest security of SDMI standard • Password protection • Built-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 the SanDisk microSD cards as well as the information required to interface these products to a host system. Chapter 2 describes the physical and mechanical properties of cards in the SanDisk microSD Card Product Family, Chapter 3 contains the pins and register overview, and Chapter 4 gives a general overview of the SD protocol. Information about SPI Protocol can be referenced in Section 7 of the SDA Physical Layer Specification, Version 3.01. 1.4 SD Card Standard SanDisk microSD memory cards are fully compatible with the SDA Physical Layer Specification, Version 3.01. This specification is available from the SD Card Association (SDA). SD Card Association 2400 Camino Ramon, Suite 375 San Ramon, CA 94583 USA Telephone: +1 (925) 275-6615 Fax: +1 (925) 886-4870 E-mail: [email protected] Web site: www.sdcard.org January 2012 Version 2.5 © 2008 - 2012 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure agreements 2