3. TECHNICAL BRIEF
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Table 9 Micro SD memory pad assign.
Table 10 Micro SD memory card detect truth table.
Figure 33 Micro SD memory card detection scheme
SD mode
Pin No. Name Type Description
1 DAT2 I/O Data bit [2]
2 CD/DAT3 I/O Data bit [3]
3 CMD I/O Command response
4 VDD Power Power supply
5 CLK I Clock
6 VSS Ground Power ground
7 DAT0 I/O Data bit [0]
8 DAT1 I/O Data bit [1]
Micro SD card status
it is removed it is inserted
TF_DETECT High Low
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