- MMCSD0_CLOCK_CONTROL[15:8].SDCLK_FRQSEL should be set to 50 MHz
- PHY’s DLL should be Enabled.
- MMCSD0_SS_PHY_CTRL_6_REG[27:24].BISTMODE should be set to 4’b0011.
- MMCSD0_SS_PHY_CTRL_6_REG[31].BISTENABLE should be set to 1’b1.
- MMCSD0_SS_PHY_CTRL_4_REG[20].OTAPDLYENA to 1’b1.
- MMCSD0_SS_PHY_CTRL_4_REG[15:12].OTAPDLYSEL to one of the tap values based on
Timing Closure.
- MMCSD0_SS_PHY_CTRL_4_REG[8].ITAPDLYENA* to 1’b0.
- MMCSD0_SS_PHY_CTRL_4_REG[4:0].ITAPDLYSEL* to 5’b00000
- MMCSD0_SS_PHY_CTRL_4_REG[9].ITAPCHGWIN to 1’b0
- MMCSD0_SS_PHY_CTRL_5_REG[10:8].FRQSEL should be set for 50MHz Mode.
If Timing closure requires usage of
Input Tap Enable and Tap Select should be set appropriately.