LG KG271 - SIM Card Interface

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
C311
0.1u
4.7KR302
C310
22p
22p
C312
2V85_VSIM
2V85_VSIM
0
R303
I_O
6
2
RST
1
VCC
VPP
5
J300
CLK
3
4
GND
GND1
78
GND2
2V85_VSIM
SIM_CLK
SIM_RST
SIM_DATA
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.