Device
MMC_clk
MMC_cmd
MMC_dat[7:0]
8
MMC/SD/SDIO0
Host Controller
MMC_POW
MMC_SDCD
MMC_SDWP
Device
MMC_clk
MMC_cmd
MMC_dat[7:0]
8
MMC/SD/SDIOi
host controller
MMC card
or
SD card
or
SDIO card
CLK
CMD
DAT[7:0]
MMC_SDCD
MMC_SDWP
Functional Description
www.ti.com
18.3 Functional Description
One MMC/SD/SDIO host controller can support one MMC memory card, one SD card, or one SDIO card.
Other combinations (for example, two SD cards, one MMC card, and one SD card) are not supported
through a single controller.
18.3.1 MMC/SD/SDIO Functional Modes
18.3.1.1 MMC/SD/SDIO Connected to an MMC, an SD Card, or an SDIO Card
Figure 18-4 shows the MMC/SD/SDIO1 and MMC/SD/SDIO2 host controllers connected to an MMC, an
SD, or an SDIO card and its related external connections.
Figure 18-4. MMC/SD1/2 Connectivity to an MMC/SD Card
Figure 18-5. MMC/SD0 Connectivity to an MMC/SD Card
3350
Multimedia Card (MMC) SPRUH73H–October 2011–Revised April 2013
Submit Documentation Feedback
Copyright © 2011–2013, Texas Instruments Incorporated
To Next Page
Loading...
Need help?
General
