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3.8 SIM Card Interface
SIM_DATA
ZD300
These are added for CMCC ESD test
The Main Base Band Processor(PMB8810) provides SIM Interface Module.
The PMB8810checks 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 1.8/2.88V SIM Card.
Signal
SIM_RST
SIM_CLK
SIM_DATA
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2V88_VSIM
R335
4.7K
C5
GND1
C6
VPP
C7
IO
C12
GND5
GND2
C11
C302
GND4
GND3
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.
2V88_VSIM
J300
C1
VCC
C2
RST
C3
CLK
C9
ZD301
C10
C303
0.1u
Description
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3. TECHNICAL BRIEF
3. TECHNICAL BRIEF
SIM_RST
SIM_CLK
ZD302
C304
C305
22p
DNI
LGE Internal Use Only
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