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Oscillator sharing on STM32F4 board & SMBus doubts

Question asked by Reddy.Harinadha on Sep 10, 2015
Latest reply on Sep 11, 2015 by Reddy.Harinadha
Hello Dears,

We would like to share the 32.768 oscillator with STM32F405 mcu and with LPO pin of ST Bluetooth module SPBT2632C2A. 
Is it possible to connect the OSC32_IN or OSC32_OUT pin to LPO pin of bluetooth module ?

Also one more question. In our design, we want to use VL6180x sensor (It has I2C).
But our STM32F4 mcu doesn't have empty I2C peripheral. Can we use SMBus to communicate with VL6180x ?

Thank you 

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