LG GS290 Service Manual page 37

3. TECHNICAL BRIEF
GS290 Operational Description
GS290 Operational Description
The MicroSD Memory Module has eight exposed contacts on one side. The S-Gold3 is connected to the module
The MicroSD Memory Module has eight exposed contacts on one side. The S-Gold3 is connected to the module
using a dedicated eight-pin connector
using a dedicated eight-pin connector
Micro SD Memory Card Detection Scheme
Micro SD Memory Card Detection Scheme
Micro SD memory pad assign.
Micro SD memory pad assign.
SD mode
SD mode
Pin No.
Pin No.
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
LG Electronics
LGE Internal Use Only
LG Electronics
Name Type
Name Type
DAT2 I/O
DAT2 I/O
CD/DAT3 I/O
CD/DAT3 I/O
CMD I/O
CMD I/O
VDD Power
VDD Power
CLK I
CLK I
VSS Ground
VSS Ground
DAT0 I/O
DAT0 I/O
DAT1 I/O
DAT1 I/O
Description
Description
Data bit [2]
Data bit [2]
Data bit [3]
Data bit [3]
Command response
Command response
Power supply
Power supply
Clock
Clock
Power ground
Power ground
Data bit [0]
Data bit [0]
Data bit [1]
Data bit [1]
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Revision B
Revision B
LGE Property
LGE Property
Only for training and service purposes