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CTA 2040
- SD Card Common Interface Standard (Formerly ANSI/CEA 2040)
- standard by Consumer Technology Association (Formerly CEA), 07/01/2011
- Publisher: CTA
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This document describes interfaces between a Common Interface Module (CI Module) located on a microSD card and a Terminal device. The purpose of this standard is to specify the hardware, signaling, and application interface between a digital consumer electronics device e.g. television receiver (handheld, stationary or otherwise) and a small removable, replaceable CI Module that implements and embodies significant portions of a Conditional Access System (CAS).
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