Msm Sub System - LG KS20 Operating Instructions Manual

3.11.2. MSM Sub System

3.11.2.1. USIM Interface
SIM interface scheme is shown in Figure.
And, there control signals are followed
• USIM_CLK : USIM Clock
• USIM_Reset : USIM Reset
• USIM_Data : USIM Data T/Rx
MSM7200
3.11.2.2. UART Interface
UART signals are connected to MSM GPIO through IO connector with 115200 bps speed.
GPIO_Map Name
GPIO_86 UART3_RX
GPIO_87 UART3_TX
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Only for training and service purposes
USIM CLK
USIM Reset
PM7540
USIM Data
[Figure1.16] SIM Interface
Note
Data_Rx
Data_Tx
[Table 1.5] UART Interface
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3. TECHNICAL BRIEF
VREG_UIM 2.85V
USIM CLK
USIM
USIM Reset
USIM Data
LGE Internal Use Only