TMS320DM357_09 Datasheet, PDF (125/195 Pages) Texas Instruments – Digital Media System-on-Chip

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6.11 MMC/SD/SDIO
The DM357 MMC/SD/SDIO Controller has following features:
• MultiMediaCard (MMC).
• Secure Digital (SD) memory card with Secure Data I/O (SDIO).
• MMC/SD/SDIO protocol support.
• Programmable clock frequency.
• 256 bit Read/Write FIFO to lower system overhead.
• Slave DMA transfer capability.
The MMC/SD/SDIO register memory mapping is shown in Table 6-34.
6.11.1 MMC/SD/SDIO Peripheral Description(s)
TMS320DM357
Digital Media System-on-Chip
SPRS553 – NOVEMBER 2008
HEX ADDRESS RANGE
0x01E1 0000
0x01E1 0004
0x01E1 0008
0x01E1 000C
0x01E1 0010
0x01E1 0014
0x01E1 0018
0x01E1 001C
0x01E1 0020
0x01E1 0024
0x01E1 0028
0x01E1 002C
0x01E1 0030
0x01E1 0034
0x01E1 0038
0x01E1 003C
0x01E1 0040
0x01E1 0044
0x01E1 0048
0x01E1 004C - 0x01E1 004F
0x01E1 0050
0x01E1 0054 - 0x01E1 0063
0x01E1 0064 - 0x01E1 006C
0x01E1 0070
0x01E1 0074
0x01E1 0078 - 0x01E1 FFFF
Table 6-34. MMC/SD/SDIO Register Descriptions
ACRONYM
MMCCTL
MMCCLK
MMCST0
MMCST1
MMCIM
MMCTOR
MMCTOD
MMCBLEN
MMCNBLK
MMCNBLC
MMCDRR
MMCDXR
MMCCMD
MMCARGHL
MMCRSP01
MMCRSP23
MMCRSP45
MMCRSP67
MMCDRSP
-
MMCCIDX
-
SDIO
-
MMCFIFOCTL
-
REGISTER NAME
MMC Control Register
MMC Memory Clock Control Register
MMC Status Register 0
MMC Status Register 1
MMC Interrupt Mask Register
MMC Response Time-Out Register
MMC Data Read Time-Out Register
MMC Block Length Register
MMC Number of Blocks Register
MMC Number of Blocks Counter Register
MMC Data Receive Register
MMC Data Transmit Register
MMC Command Register
MMC Argument Register
MMC Response Register 0 and 1
MMC Response Register 2 and 3
MMC Response Register 4 and 5
MMC Response Register 6 and 7
MMC Data Response Register
Reserved
MMC Command Index Register
Reserved
Reserved
MMC FIFO Control Register
Reserved
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Peripheral and Electrical Specifications 125