Notice of SD Simplified Specifications

The following conditions apply to the release of any and all parts of the simplified specifications (“Simplified Specifications”) by the SD Card Association and the SD Group. The Simplified Specifications are a subset of the complete SD Specifications which are owned by the SD Card Association and the SD Group. These Simplified Specifications are provided on a non-confidential basis subject to the disclaimers below. Any implementation of the Simplified Specifications or any portions there of may require a license from the SD Card Association, SD Group, SD-3C, LLC or other third parties.

The Implementation Guideline is provided as an SD Association Simplified Specification which means that it is available with the convention and the process of other SD Association Simplified Specifications, including its release process to the public, the Simplified Specification’s Disclaimers and the Simplified Specification Terms and Conditions indicated before downloading.

Part Number Title of Specification Version Release Date Document
Part 1 Simplified SDUC Host Implementation Guideline  1.00 Jan. 25, 2024
Part 1 Simplified Physical Layer Simplified Specification  9.10 Dec. 1, 2023
Part 1 Simplified Extended Security Simplified Addendum  1.00 Nov. 30, 2022
Part 1 Simplified UHS-II Simplified Addendum  1.02 Jul. 25, 2018
Part 1 Simplified NFC Interface Simplified Addendum  1.00 Jul. 25, 2018
Part A1 Simplified ASSD Extension Simplified Specification  2.00 Jul. 25, 2018
Part A2 Simplified SD Host Controller Simplified Specification  4.20 Jul. 25, 2018
Part A5 Simplified SD Extensions API Simplified Specification  1.00 Jul. 25, 2018
Part E1 Simplified SDIO Simplified Specification  3.00 Jul. 25, 2018
Part E2 Simplified SDIO Bluetooth Type A Simplified Specification  1.00 Jul. 25, 2018
Part E7 Simplified iSDIO Simplified Specification  1.10 Jul. 25, 2018
Part E7 Simplified Wireless LAN Simplified Addendum  1.10 Jul. 25, 2018

Looking for previous versions of these specifications?

Simplified Spec Archive