LG GD510 - SIM & Usd Interface

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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. Technical brief
GD510 Operational Description Revision A
LG Electronics 32/113 LGE Property
3.5. SIM & uSD interface
GD510 supports 1.8V & 2.9V plug in SIM, SIM interface scheme is shown in (Figure 8).
SIM_IO, SIM_CLK, SIM_RST ports are used to communicate with BBP(S-Gold3) and the SIM power
supply enabled by PMIC.
SIM Interface
SIM_CLK : SIM card reference clock
SIM_RST : SIM card Async /sync reset
SIM_IO : SIM card bidirectional reset
Figure 8
SIM & Micro SD Circuit
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
Micro SD Memory Card Detection Scheme
EVLC18S02003
C521
EVSC5S04F050VA501
6 3
42
51 P1 P5
P2 P4
3P
6P
SOL_VBAT
GB042-20S-H10-E3000
CN501
1110
129
138
147
156
165
174
183
192
201
VMME_2V9
VSIM_2V9
VMME_2V9
1
0
5AR
100Kohms
87 65 43 21
C515
27pF 1uF
C516
C518
27pF
C519
1uF
MMC_DATA[0]
MMC_CMD
MMC_CLK
MMC_DET
SIM_RST
SIM_IO
SIM_CLK
MMC_DATA[1]
MMC_DATA[2]
MMC_DATA[3]
SOLBAT_DET
ENBY0039601
GB042-20S-H10-E3000
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