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3.8 SIM Card Interface
2V85_VSIM
SIM_DATA
ZD303
ZD200ZD201 is DNI defaultly
These are added for CMCC ESD test
The Main Base Band Processor(XMM2130) provides SIM Interface Module.
The XMM2130 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.
And This model supports 1.8/3V SIM Card.
Signal
SIM_RST
SIM_CLK
SIM_DATA
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
SIM_CONNECTOR 1(Default)
R309
J301
4.7K
4
C5
C1
5
C6
C2
6
C7
C3
10
GND4
GND1
9
C318
GND3
GND2
22p
Figure 3-8-1. SIM CARD Interface
This signal makes SIM card to HW default status.
This signal is transferred to SIM card.
This signal is interface datum.
2V85_VSIM
1
2
3
7
ZD301
8
C315
0.1u
C316
DNI
Description
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3. TECHNICAL BRIEF
3. TECHNICAL BRIEF
SIM_RST
SIM_CLK
ZD302
C317
22p
LGE Internal Use Only
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