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Renesas Electronics Europe - Knowledgebase

sf_el_fx Module Guide Resources

Last Updated:11/20/2017


Where can I find the references to module guide resources for the Express Logic FileX Port Block Media Framework module on sf_el_fx?


Information on the module guide itself and the associated resources and known issues are available here.


The FileX Port Block Media Framework module, implemented on sf_el_fx, supports the Express logic FileX system, a complete FAT format media and file management system for deeply embedded applications. The FileX Port Block Media Framework module provides I/O calls for FileX to access Synergy Media drivers through the Block Media Interface and adaptation layers. The SD/MMC Driver and the SDIO Driver are implemented on r_sdmmc and are used to read/write and control SD/MMC media devices as well as SDIO cards. The sf_el_fx module uses the SD/MMC peripherals on the Synergy MCU.

  • The FileX Port Block Media Framework module features include:
    • Unlimited FileX objects (media, directories,
    • and files)
    • Dynamic FileX object creation/deletion
    • Flexible memory usage
    • Size scales automatically
    • Small footprint
    • Complete integration with ThreadX
  • SD bus interface
    • Compatible with SD memory card and SDIO card
    • Transfer bus mode selectable from 4-bit wide bus mode or 1-bit default bus mode
    • Compatible with SD, SDHC, and SDXC formats
  • SD and MMC shared
    • DMAC and DTC triggerable by the SBFAI interrupt SD buffer is read and write accessible using the DMAC
    • Card detect function
    • Write protect support
  • MMC bus interface transfer bus mode selectable from 1-bit, 4-bit, or 8-bit

Module Guide

The FileX Port Block Media Framework module guide is targeted for SSP 1.2.0 and above and the SK-S7G2 Kit.

The most recent versions of the FileX Port Block Media Framework module guide application note, application project and import guide are available here.

Module Guide Resources

The following application projects are available from the Renesas web site at the referenced url.

  • The FileX Port Block Media Framework module is used in the Developer Examples available on the Synergy Gallery here. Simply download the zip file and import the FileX Port Block Media example into your ISDE. See the Knowledge Base article here for more information.

Known issues

  • Refer to the SSP release notes for known issues, available here.
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