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3. Technical Brief
3.14.2 MSM Sub System
3.4.2.1. USIM Interface
SIM interface scheme is shown in Figure.
And, there control signals are followed
y USIM_CLK : USIM Clock
y USIM_Reset : USIM Reset
y USIM_Data : USIM Data T/Rx
3.14.2.2. UART Interface
UART signals are connected to MSM GPIO through IO connector with 115200 bps speed.
Table. UART Interface
MSM7200A
PM7540
USIM
USIM CLK
USIM Reset
USIM Data
USIM Data
USIM Reset
USIM CLK
Figure. SIM Interface
VREG_UIM 2.85V
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