Table of Contents
Advertisement
3.8 SIM Card Interface
SIM_CONNECTOR
SIM_DATA
ZD201, ZD202, ZD203 is DNI deafultly
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
2V85_VSIM
R232
R216
J201
4.7K
DNI
4
C5
C1
5
C6
C2
6
C7
C3
10
GND4
GND1
9
C241
GND3
GND2
ZD201
22p
DNI
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.
- 47 -
2V85_VSIM
1
2
3
7
8
C227
ZD202
0.1u
C229
22p
DNI
Description
46/136
3. TECHNICAL BRIEF
3. TECHNICAL BRIEF
SIM_RST
SIM_CLK
ZD203
C230
DNI
22p
LGE Internal Use Only
Advertisement
Table of Contents
