LG KE600 Service Manual - Page 58
Micro SD memory card detection scheme, SD mode
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3. TECHNICAL BRIEF Table 9 Micro SD memory pad assign. SD mode Pin No. Name 1 DAT2 2 CD/DAT3 3 CMD 4 VDD 5 CLK 6 VSS 7 DAT0 8 DAT1 Type I/O I/O I/O Power I Ground I/O I/O Description Data bit [2] Data bit [3] Command response Power supply Clock Power ground Data bit [0] Data bit [1] Figure 32 Micro SD memory card detection scheme Table 10 Micro SD memory card detect truth table. TF_DETECT Micro SD card status it is removed High it is inserted Low - 59 -
3. TECHNICAL BRIEF
- 59 -
Table 9 Micro SD memory pad assign.
Table 10 Micro SD memory card detect truth table.
Figure 32 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