SanDisk SD Card - OEM Product Manual

Introduction

11/2010, Version 2.9. © 2007 - 2010 SanDisk Corporation. SanDisk Confidential, subject to all applicable non-disclosure

agreements

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Introduction

1.1

General Description

The SanDisk SD Card is a flash based removable non-volatile memory device specifically

designed to meet the security, capacity, performance and environmental requirements inherent

in next generation consumer electronic devices. .

The SanDisk SD Card is based on a 9-pin interface designed to operate in a maximum

operating frequency of 100 MHz. The interface for SD Card products allows for easy

integration into any design, regardless of which type of microprocessor is used. In addition to

the interface, SD Card products offer an alternate communication-protocol based on the SPI

standard.

SanDisk SD cards are designed especially for use in mass storage applications. In addition to

the mass storage-specific flash memory. SD cards include an on-board intelligent controller

which manages interface protocols; security algorithms for content protection; data storage

and retrieval, as well as Error Correction Code (ECC) algorithms; defect handling; power

management; wear leveling and clock control.

Figure 1-1

SanDisk SD Card Block Diagram