LG L602i, Service Manual

Page: 42 / 192

3. TECHNICAL BRIEF
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3.10.2. MSM Sub System
3.10.2.1. SIM 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
3.10.2.2. UART Interface
UART signals are connected to MSM GPIO through IO connector with 115,200 bps speed. And, used
for RF calibration and Data download.
MSM6250A
PM6650-2
USIM
USIM CLK
USIM Reset
USIM Data
USIM Data
USIM Reset
USIM CLK
VREG_USIM 2.85V
Figure. SIM Interface
GPIO_Map Name Note
GPIO_96 RX_M Data_Rx
GPIO_95 TX_M Data_Tx
Table. UART Interface
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