LG KU730 Service Manual page 48

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
MSM6275
3.11.2.2. UART Interface
UART signals are connected to MSM GPIO through IO connector with 115200 bps speed.
GPIO_Map
GPIO_96
GPIO_95
PM6650
USIM CLK
USIM Reset
USIM Data
Figure. SIM Interface
Name
UART_RXD
UART_TXD
Table. UART Interface
- 49 -
3. TECHNICAL BRIEF
VREG_UIM 2.85V
USIM CLK
USIM Reset
USIM
USIM Data
Note
Data_Rx
Data_Tx