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STM32WB55/35 configure BLE and I2C for design without LSE crystal

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Kowy
Associate

‎2024-05-13 05:59 AM

Hello. I´m making pcb design for wireless temperature probe based on stm32wb35 and sensirion sht45. I´m so limited in dimensions of PCB so i´ve decided to make this design only with HSE crystal. I found that it´s possible to configure BLE operations without LSE crystal. It possible to configure an I2C device also for this hardware?

Thanks 

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STTwo-32
ST Employee

‎2024-05-14 07:26 AM

Hello @Kowy 

For the BLE configurations, I suggest you take a look at this FAQ. It should be really helpful. For the I2C, The Absence of LSE should not be a problem. I think everything should work fine.

Best Regards.

STTwo-32

To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.

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STTwo-32
ST Employee

‎2024-05-14 07:26 AM

Hello @Kowy 

For the BLE configurations, I suggest you take a look at this FAQ. It should be really helpful. For the I2C, The Absence of LSE should not be a problem. I think everything should work fine.

Best Regards.

STTwo-32

To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.

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