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3.10.2 MSM Sub System
3.10.2.1. 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
MSM6280
3.10.2.2 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
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
USIM CLK
USIM Reset
PM6650
USIM Data
Figure. SIM Interface
Note
Data_Rx
Data_Tx
Table. UART Interface
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3. TECHNICAL BRIEF
VREG_UIM 2.85V
USIM CLK
USIM
USIM Reset
USIM Data
LGE Internal Use Only
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