SWRU626 December 2025 CC3501E , CC3551E
This mode increases setup timings and allows reaching higher bus frequency. This feature is activated by setting SD_HCTL[2] HSPE bit to 1. The controller shall be set in this mode to support SDR transfers.
Figure 20-18 shows the output signals of the module when generating from the rising edge of the SDMMC clock.
Figure 20-21 Output Driven on Rising
Edge