AM1808_16 Datasheet, PDF (127/265 Pages) Texas Instruments – AM1808 ARM® Microprocessor

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MMCSD_CLK
MMCSD_CMD
MMCSD_CLK
MMCSD_CMD
MMCSD_CLK
MMCSD_DATx
MMCSD_CLK
MMCSD_DATx
AM1808
SPRS653E – FEBRUARY 2010 – REVISED MARCH 2014
10
7
9
13
13
13
13
START
XMIT
Valid
Valid
Valid
END
Figure 6-24. MMC/SD Host Command Timing
9
7
10
START
XMIT
1
Valid
2
Valid
Valid
END
Figure 6-25. MMC/SD Card Response Timing
10
7
9
14
14
START
D0
D1
14
14
Dx
END
Figure 6-26. MMC/SD Host Write Timing
9
7
10
4
3
Start
D0
D1
4
3
Dx
End
Figure 6-27. MMC/SD Host Read and Card CRC Status Timing
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Peripheral Information and Electrical Specifications 127
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