LG KP105 - SIM Card Interface

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
GND1GND2
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.