Only For Training And Service Purposes - LG KS10 Service Manual

3.12.2. MSM sub system
3.12.2.1. 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
MSM6275
3.12.2.2. UART interface
UART signals are connected to MSM GPIO through IO connector with 115.2kbps speed.
And, used for RF calibration and Data download.
GPIO_Map
GPIO_96
GPIO_95
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Only for training and service purposes

USIM CLK
USIM Reset
PM6650
USIM Data
Figure. SIM Interface
Name
UART_RXD
UART_TXD
Table. UART interface
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3. TECHNICAL BRIEF
VREG_USIM 2.85V
USIM CLK
USIM
USIM Reset
USIM Data
Note
Data_Rx
Data_Tx
LGE Internal Use Only