PAM1707BZKB4 datasheet(85/198 Pages) TI

85 / 198 page

AM1707

www.ti.com

SPRS637A – FEBRUARY 2010 – REVISED APRIL 2010

6.14 MMC / SD / SDIO (MMCSD)

6.14.1 MMCSD Peripheral Description

The device includes an MMCSD controller which is compliant with MMC V3.31, Secure Digital Part 1

Physical Layer Specification V1.1 and Secure Digital Input Output (SDIO) V2.0 specifications.

The MMC/SD Controller has following features:

•

MultiMediaCard (MMC).

•

Secure Digital (SD) Memory Card.

•

MMC/SD protocol support.

•

SDIO protocol support.

•

Programmable clock frequency.

•

512 bit Read/Write FIFO to lower system overhead.

•

Slave EDMA transfer capability.

The device MMC/SD Controller does not support SPI mode.

6.14.2

MMCSD Peripheral Register Description(s)

Table 6-31. Multimedia Card/Secure Digital (MMC/SD) Card Controller Registers

BYTE

ACRONYM

ADDRESS

0x01C4 0000

MMCCTL

MMC Control Register

0x01C4 0004

MMCCLK

MMC Memory Clock Control Register

0x01C4 0008

MMCST0

MMC Status Register 0

0x01C4 000C

MMCST1

MMC Status Register 1

0x01C4 0010

MMCIM

MMC Interrupt Mask Register

0x01C4 0014

MMCTOR

MMC Response Time-Out Register

0x01C4 0018

MMCTOD

MMC Data Read Time-Out Register

0x01C4 001C

MMCBLEN

MMC Block Length Register

0x01C4 0020

MMCNBLK

MMC Number of Blocks Register

0x01C4 0024

MMCNBLC

MMC Number of Blocks Counter Register

0x01C4 0028

MMCDRR

MMC Data Receive Register

0x01C4 002C

MMCDXR

MMC Data Transmit Register

0x01C4 0030

MMCCMD

MMC Command Register

0x01C4 0034

MMCARGHL

MMC Argument Register

0x01C4 0038

MMCRSP01

MMC Response Register 0 and 1

0x01C4 003C

MMCRSP23

MMC Response Register 2 and 3

0x01C4 0040

MMCRSP45

MMC Response Register 4 and 5

0x01C4 0044

MMCRSP67

MMC Response Register 6 and 7

0x01C4 0048

MMCDRSP

MMC Data Response Register

0x01C4 0050

MMCCIDX

MMC Command Index Register

0x01C4 0064

SDIOCTL

SDIO Control Register

0x01C4 0068

SDIOST0

SDIO Status Register 0

0x01C4 006C

SDIOIEN

SDIO Interrupt Enable Register

0x01C4 0070

SDIOIST

SDIO Interrupt Status Register

0x01C4 0074

MMCFIFOCTLp

MMC FIFO Control Register

Peripheral Information and Electrical Specifications

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