LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3.6 SIM Card Interface
The EGoldVoice provides SIM Interface Module. The AD6527 checks status Periodically During
established call mode whether SIM card is inserted or not, but it doesn't check during deep sleep
mode. In order to communicate with SIM card, 3 signals SIM_DATA, SIM_CLK, SIM_RST.
3. TECHNICAL BRIEF
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Figure 3-6. SIM CARD Interface
SIM_CONNECTOR
0.1u
C134
22p
C133
2V85_VSIM
4.7K
R129
R130
0
2V85_VSIM
J101
3
CLK
GND
4
7
GND1
GND2
8
6
I_O
RST
2
VCC
1
5
VPP
C135
22p
2V85_VSIM
SIM_DATA
SIM_CLK
SIM_RST
Signals
Description
SIM_RST
This signal makes SIM card to HW default status.
SIM_CLK
This signal is transferred to SIM card.
SIM_DATA
This signal is interface datum.