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Frontline® SD Protocol Analyzer : SD/SDIO/SPI/MMC

Frontline SD

With the proliferation of portable electronic devices and the need for greater storage capacity came the Secure Digital (SD) memory card, a non-volatile data storage format that has gained widepread popularity for its small size, ease of use and low power consumption. Today, the SD format is found in thousands of product models representing a wide variety of consumer applications, from cameras to game consoles to mobile phones.

Big Window into a Small Format

The Frontline SD Protocol Analyzer supports applications and systems using the standard SD form factor connection as well as embedded applications (via. Pin header for signal connections), and allows developers and testers to decode not only basic SD (SD and SPI mode) protocol layer, but the SDIO Bluetooth protocol layer as well.

Detailed decodes provide a clear window into Commands (SD vs. SPI mode) and Data Transfers (1bit vs. 4 bit mode). The Frontline SD gives you the ability to quickly and easily search decoded frames, significantly reducing the time you spend debugging SD/SDIO device protocol and timing issues.


Frontline has spent years developing and refining our world renowned family of protocol analyzers. With Frontline analyzers you can decode and decrypt live communication streams between Bluetooth devices. We have built in all existing Bluetooth profiles and much more. This powerful tool incorporates Frontline’s years of Bluetooth experience with the best decodes on the planet.

  • Comprehensive Protocol Analysis: Can be used in conjunction with other Frontline devices for interoperability analysis over multiple bus types
  • Data You Can Trust: Non-intrusive in-line capture and analysis provides uncontaminated views of the data you need
  • Current and Compatible: Support for 1 and 4-bit modes makes sure you’re compatible with current SD, SDIO and MMC specifications
  • Compact unit delivers big features to developers of SD, SDIO, SPI and MMC technologies, in the field or at the bench
  • Faster to Market: Reduces debug time with simultaneous live capture, display, decode, filtering and detection of protocol errors
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