Data Transfer - Texas Instruments OMAP5910 Technical Reference Manual

MMC/SD Host Controller
Figure 7–57. Data Transfer
Set transfer parameters
Write or read data buffer
7-164
For the example shown in Figure 7–58, the mode selected is MMC/SD
(MMC_CON[13:12] = 00).
Write MMC_BUF.
Almost full/empty level and Rx/Tx DMA
(if needed).
Write MMC_BLEN.
If the value does not change it is not
useful to set it again.
Write MMC_NBLK.
– In single mode, NBLK must be = 0.
– In multiblock or stream NBLK must be > 0.
Next operation
Write or read MMC_DATA
Next operation