SD / eMMC

SD / eMMC

Secure Digital & embedded MultiMedia Cards (eMMC)

Secure Digital has taken over many CF applications since 2012. It is now used in systems like PLC, Motion Controllers, HMI and SBC. These systems are then implemented across automation systems, robots and mobile applications, whilst also securing operations in transportation manufacturing plants. SD solutions can work as fixed or removable drives. They can serve as a boot drives as well as storage for customer data. For the past few years, SD cards are also used as mass storage for Infotainment systems in cars replacing HDDs. Their main purpose is mapping storage, which requires special flash handling and ultimately a highly reliable controller.

Formerly used in mobile phones, eMMC has now found itself stepping into the Industrial market and a range of automotive applications. In Automotive applications it functions similarly to an SD card whereas Industrial applications place their focus on raw-NAND and NOR replacements. As eMMC can only serve as a fixed drive it is restricted to internal use. An eMMC solution is based on a BGA package which needs to be soldered to the board. As firmware and user data is generally stored on the eMMC before soldering measures have to be taken to refresh data thereafter. Hyperstone offers the controller only but can provide access to module makers.

S8

SecureDigital (SD) and embedded MultiMediaCard (eMMC) Flash Memory Controller
  • Designed to satisfy industrial requirements
  • hyReliability™ Flash Management including superior wear leveling, read disturb management, and power fail management ensuring highest reliability and endurance
  • Continuously updated Flash Memory chip support and long term availability
  • Flexible ECC engine supporting all Flash Memory handling
  • High performance on-the-fly AES encryption engine 
  • Custom features can be implemented with simple firmware upgrades
  • 16 GPIO for customer specific applications supporting SDIO 3.0, SPI, I2C, and ISO7816
  • ASSP with minimal external active components
  • Turnkey solution including firmware, manufacturing kit, test and development hardware, as well as reference schematics
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S6

SecureDigital (SD) and MultiMediaCard (MMC) Flash Memory Controller
  • Patented wear leveling together with ECC ensuring highest reliability and endurance
  • Optimized 32-Bit RISC core, instruction set, and firmware for flash handling
  • Dual channel Direct Flash Access unit (DFA) for interleaved operations
  • Large sector buffers for highest MLC performance
  • Most power efficient design together with power saving features
  • Smart and custom features possible by simple firmware upgrades
  • Additional UART to connect external devices such as security controllers
  • ASSP with no need for external voltage regulators, detectors or diodes
  • Exceptional power loss protection also with MLC flash through optimized firmware handling
  • Turnkey solution including firmware, manufacturing kit, test and development hardware, and reference schematics for SD Card or MMC
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