Start
Set the MMCi.MMCHS_SYSCONFIG[2]
ENAWAKEUP bit to 0x1 if required
End
Set the MMCi.MMCHS_HCTL[24] IWE
bit to 0x1 to enable the wake-up event
on SD card interrupt
Set the MMCi.MMCHS[8]
CIRQ_ENABLE bit to enable the card
interrupt (for SDIO card only)
mmchs-027
Public Version
MMC/SD/SDIO Basic Programming Model
www.ti.com
Figure 24-33. MMC/SD/SDIO Controller Wake-Up Configuration
24.5.1.5 MMC Host and Bus Configuration
details MMC bus configuration process.
3398
MMC/SD/SDIO Card Interface
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated