A13 datasheet(39/55 Pages) ETC2

39 / 55 page

Allwinner Technology CO., Ltd.

A13 Datasheet v1.30

December 10, 2012

14.

SD3.0 Controller

14.1.

Overview

The SD3.0 controller can be configured as a Secure Digital Multimedia Card controller, which

simultaneously supports Secure Digital memory (SD Memo), UHS-1 Card, Secure Digital I/O

(SDIO), Multimedia Cards (MMC), eMMC Card and Consumer Electronics Advanced Transport

Architecture (CE-ATA).

The SD3.0 controller features:



Support Secure Digital memory protocol commands (up to SD3.0)



Support Secure Digital I/O protocol commands



Support Multimedia Card protocol commands (up to MMC4.3)



Support CE-ATA digital protocol commands



Support eMMC boot operation and alternative boot operation



Support Command Completion signal and interrupt to host processor and Command

Completion Signal disable feature



Support one SD (Verson1.0 to 3.0) or MMC (Verson3.3 to 4.3) or CE-ATA device



Support hardware CRC generation and error detection



Support programmable baud rate



Support host pull-up control



Support SDIO interrupts in 1-bit and 4-bit modes



Support SDIO suspend and resume operation



Support SDIO read wait

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