http://www.sdcard.org/developers/tech/sdcard/pls/simplified_specs/
| Simplified Specifications + File Size | Release Date |
| Part 1 Physical Layer Simplified Specification Ver3.01 + 1155KB | May 18, 2010 |
| Part A1 ASSD Extension Simplified Specification Ver2.00 + 241KB | May 18, 2010 |
| Part A2 SD Host Controller Simplified Specification Ver2.00 + 598KB | Feb. 8, 2007 |
| Part E1 SDIO Simplified Specification Ver2.00 + 433KB | Feb. 8, 2007 |
| Part E2 SDIO Bluetooth Type-A Simplified V1.00 + 248KB | Apr. 3, 2006 |