TMS320C5504_15 Datasheet, PDF (97/143 Pages) Texas Instruments – TMS320C5504 Fixed-Point Digital Signal Processor

TMS320C5504
www.ti.com
SPRS659G – AUGUST 2010 – REVISED SEPTEMBER 2013
5.10 Multimedia Card/Secure Digital (MMC/SD)
The device includes two MMC/SD controllers which are compliant with MMC V3.31, Secure Digital Part 1
Physical Layer Specification V2.0, and Secure Digital Input Output (SDIO) V3.3 specifications. The
MMC/SD card controller supports these industry standards and assumes the reader is familiar with these
standards.
Each MMC/SD Controller in the device has the following features:
• Multimedia Card/Secure Digital (MMC/SD) protocol support
• Programmable clock frequency
• 512 bit Read/Write FIFO to lower system overhead
• Slave DMA transfer capability
The MMC/SD card controller transfers data between the CPU and DMA controller on one side and
MMC/SD card on the other side. The CPU and DMA controller can read/write the data in the card by
accessing the registers in the MMC/SD controller.
The MMC/SD controller on this device, does not support the SPI mode of operation.
5.10.1 MMC/SD Peripheral Register Descriptions
Table 5-21 and Table 5-22 show the MMC/SD registers. The MMC/SD0 registers start at address 0x3A00
and the MMC/SD1 registers start at address 0x3B00.
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Peripheral Information and Electrical Specifications
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