LG KU950 - Msm Sub System

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 115.2kbps speed. And, used for
RF calibration and Data download.
3. TECHNICAL BRIEF
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MSM6275
PM6650
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 UART_RXD Data_Rx
GPIO_95 UART_TXD Data_Tx
Table. UART interface