CMX-FFS Flash File System

CMX-FFS Flash File Systems is a suite of five products which address memory management needs for a wide variety of target storage media types used in embedded designs.

CMX-FFS-FAT is a full-featured file system for products that require FAT12/16/32 compliant media support and provides support for Long filenames, Multiple Volumes, Media Error handling, Mix of Media and Check Disk. CMX-FFS-SAFE-FAT offers that same features as CMX-FFS-FAT but adds protection from unexpected resets.

CMX-FFS-THIN is a scalable, reduced footprint file system designed for integration for designs with limited resources and includes FAT 12/16/32, Long file names, Media Error handling. All versions are provided with drivers for Compact Flash (True IDE and Memory I/O), MMC/SD/SDHC (SPI S/W or H/W) and RAM. Flash Translation Layer options are available for NAND and Atmel DataFlash.

CMX-FFS is a 100% Failsafe flash file system and includes multiple volumes, Wear-leveling, Directories, Bad Block management, ECC algorithms, Boot sector support and RAM Drive. Optional drivers are available for NOR, NAND and Atmel DataFlash. CMX-FFS-TINY is a limited resource failsafe file system available in configurations for RAM, Small Sector Byte Writeable Flash, Atmel DataFlash and ST Serial Flash for Data.