Mmc / Sd / Sdio (Mmcsd0, Mmcsd1) - Texas Instruments AM1808 User Manual

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6.13 MMC / SD / SDIO (MMCSD0, MMCSD1)

6.13.1 MMCSD Peripheral Description
The device includes an two MMCSD controllers which are compliant with MMC V4.0, Secure Digital Part 1
Physical Layer Specification V1.1 and Secure Digital Input Output (SDIO) V2.0 specifications.
The MMC/SD Controller have following features:
• MultiMediaCard (MMC)
• Secure Digital (SD) Memory Card
• MMC/SD protocol support
• SD high capacity 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.
6.13.2 MMCSD Peripheral Register Description(s)
Table 6-39. Multimedia Card/Secure Digital (MMC/SD) Card Controller Registers
MMCSD0 MMCSD1
BYTE ADDRESS BYTE ADDRESS
0x01C4 0000 0x01E1 B000
0x01C4 0004 0x01E1 B004
0x01C4 0008 0x01E1 B008
0x01C4 000C 0x01E1 B00C
0x01C4 0010 0x01E1 B010
0x01C4 0014 0x01E1 B014
0x01C4 0018 0x01E1 B018
0x01C4 001C 0x01E1 B01C
0x01C4 0020 0x01E1 B020
0x01C4 0024 0x01E1 B024
0x01C4 0028 0x01E1 B028
0x01C4 002C 0x01E1 B02C
0x01C4 0030 0x01E1 B030
0x01C4 0034 0x01E1 B034
0x01C4 0038 0x01E1 B038
0x01C4 003C 0x01E1 B03C
0x01C4 0040 0x01E1 B040
0x01C4 0044 0x01E1 B044
0x01C4 0048 0x01E1 B048
0x01C4 0050 0x01E1 B050
0x01C4 0064 0x01E1 B064
0x01C4 0068 0x01E1 B068
0x01C4 006C 0x01E1 B06C
0x01C4 0070 0x01E1 B070
0x01C4 0074 0x01E1 B074
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ACRONYM
MMCCTL MMC Control Register
MMCCLK MMC Memory Clock Control Register
MMCST0 MMC Status Register 0
MMCST1 MMC Status Register 1
MMCIM MMC Interrupt Mask Register
MMCTOR MMC Response Time-Out Register
MMCTOD MMC Data Read Time-Out Register
MMCBLEN MMC Block Length Register
MMCNBLK MMC Number of Blocks Register
MMCNBLC MMC Number of Blocks Counter Register
MMCDRR MMC Data Receive Register
MMCDXR MMC Data Transmit Register
MMCCMD MMC Command Register
MMCARGHL MMC Argument Register
MMCRSP01 MMC Response Register 0 and 1
MMCRSP23 MMC Response Register 2 and 3
MMCRSP45 MMC Response Register 4 and 5
MMCRSP67 MMC Response Register 6 and 7
MMCDRSP MMC Data Response Register
MMCCIDX MMC Command Index Register
SDIOCTL SDIO Control Register
SDIOST0 SDIO Status Register 0
SDIOIEN SDIO Interrupt Enable Register
SDIOIST SDIO Interrupt Status Register
MMCFIFOCTL MMC FIFO Control Register
Peripheral Information and Electrical Specifications
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Product Folder Links: AM1808
SPRS653E – FEBRUARY 2010 – REVISED MARCH 2014
REGISTER DESCSRIPTION
AM1808
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