Revision 1.0 MultiMediaCardRS-MultiMediaCard Product Manual
© 2004 SanDisk Corporation 1-2
051304
1.2 Features
The SanDisk MultiMediaCardRS-MultiMediaCard features include:
►MultiMediaCard Protocol compatible ►SPI Mode supported
►Targeted for portable and stationary applications ►Voltage range
Basic communication: 2.7 to 3.6 V Memory access: 2.7 to 3.6 V
►Maximum data rate with up to 10 cards ►Correction of memory field errors
►Built-in write protection features permanent and temporary ►Pre-erase mechanism
►Variable clock rate 0 - 20 Mhz ►Multiple cards stackable on a single physical bus
1.3 Document Scope
This document describes the key features and specifications of the SanDisk MultiMediaCard full-size and RS-MultiMediaCard reduced-size, as well as the
information required to interface this product to a host system. Retail card specifications are not covered in this manual.
1.4 Product Models
The SanDisk MultiMediaCard and RS-MultiMediaCard is available in a variety of capacities as shown in Table 2-6, Chapter 2: Product Specifications. The MultiMediaCard
is available in full-size and reduced-size RS-MMC form factors.
1.5 MultiMediaCard Standard
MultiMediaCards and RS-MultiMediaCards are fully compatible with the MultiMediaCard standard specification listed below:
The MultiMediaCard System Specification, Version 3.3 This specification may be obtained from:
MultiMediaCard Association 19672 Stevens Creek Blvd., Suite 404
Cupertino, CA 95014-2465 USA
Phone: 408-253-0441 Fax: 408-253-8811
Email: prophet2mmca.org
http:www.mmca.org
Revision 1.0 MultiMediaCardRS-MultiMediaCard Product Manual
© 2004 SanDisk Corporation 1-3
051304
1.6 Functional Description
The MultiMediaCard and RS-MultiMediaCard contain a high level, intelligent subsystem as shown by the block diagram in Figure 1-1. This intelligent microprocessor subsystem
provides many capabilities not found in other types of memory cards. These capabilities include:
• Host independence from details of erasing and programming flash memory
• Sophisticated system for managing defects analogous to systems found in magnetic
disk drives •
Sophisticated system for error recovery including a powerful error correction code •
Power management for low power operation
1.7 Flash-Independent Technology
