Msm Sub System - LG U250 Service Manual

3. TECHNICAL BRIEF

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
MSM6245
3.11.2.2. UART Interface
UART signals are connected to MSM GPIO through IO connector with 115200 bps speed.
GPIO_Map Name
GPIO_96 UART_RXD
GPIO_95 UART_TXD
USIM CLK
USIM Reset
PM6650
USIM Data
Figure 1.16 SIM Interface
Note
Data_Rx
Data_Tx
Table. UART Interface
- 54 -
VREG_UIM 2.85V
USIM CLK
USIM
USIM Reset
USIM Data