SD Card Interface Specifications

SD card interface features

  • Host clock up to 208 MHz (SDR 104)
  • Supports card detection (insertion/removal) with dedicated card detection signal
  • Meets SD Host Controller Standard Specification version 3.0
  • Meets SD Physical Layer Specification version 3.01
  • Only supports SD memory
  • Supports 1.8v signal levels directly; requires an external level shifter to support devices that operate above 1.8V

SD card signal group specifications

The Intel® Joule™ module provides a SD Card interface through the board-to-board connectors for expansion board usage.

See also: SD Card Interface in the Expansion Board Design Guide, and SD Card Subsystem in the Expansion Board Hardware Datasheet.


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