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SD Memory Card Specifications part1 PHYSICAL LAYER SPECIFICATION(v1.01, v1.10, v2.00, v3.01, v4.01) SD Memory Card Specifications Part 2 FILE SYSTEM SPECIFICATION v1.0 SD Specifications Part A1 Advanced Security SD Extension Simplified Specification v2.00 SD Specification Part A2 SD Host Controller Standard Simplified Specification (v1.00, v2.00, v3.00) SD Card Specification Secure Digital Input/Output (SDIO)Card Specification(v1.00, v1.10, v2.00, v3.00) SD Specifications Part E2 SDIO Card Bluetooth Type-A Simplified Specification Version 1.00