Do I have to use a 32 kHz oscillator (LSE) for the STM32WB55 MCU ZigBee application?

[Batuhan A.]

Hello,

I am going to use a 32 MHz oscillator (LSE) for a ZigBee application on STM32WB55. Do I have to add a 32 kHz oscillator? I do not need RTC.

Best regards,

Batuhan

[Peter BENSCH]

You can use the STM32WB55 without the LSE if you:

• don't need an RTC and
• don't need beaconing support and
• don't want to synchronize internal oscillators from LSE

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Good luck!

/Peter