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3. TECHNICAL BRIEF 3.2.5 SIM interface (sub board, U600) Xenon[FM300] supports 1.8V & 2.9V plug in SIM, SIM interface scheme is shown in figure SIM_IO, SIM_CLK, SIM_RST ports are used to communicate with BBP(S-Gold3) and the SIM power supply enabled by PMIC.
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