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MCowp.1 · 2022-08-17

MCowp.1 · 2021-08-24

I am using the STM32L4R9ZIJ6 but do not use the DSI Host function. Can the following DSI function pins be left unconnected if the DSI function is not used:DSI_CKN, DSI_CKPDSI_DS__D0N, DSI_D0PDSI_D1N, DSI_D1PThe STM32L4R9 data sheet DS12023 Rev 5, ...

MCowp.1 · 2022-08-18

Thank you JW, you are quite right: a crystal oscillator (module) does not have external capacitors and can be used in the same way as a MEMs oscillator (with STM32 in Bypass mode).I have seen comments on the Community forum regarding difficulty in ob...

MCowp.1 · 2022-08-17

There are 2 reasons why they may offer different/better RTC performance:1) There are no external capacitors (so no need to compensate for pin capacitance and PCB track capacitance)2) The STM32 operates in a different mode (Bypass mode)

MCowp.1 · 2022-08-17

I have seen a few posts concerning STM32 Micros having poor RTC accuracy.Has anyone tried MEMs oscillators in place of crystal oscillators?MEMs oscillators are compatible with most STM32 as explained in AN2867 Sec 10 Conclusion:

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STM32 RTC Accuracy

STM32L4R9ZIJ6 - DSI Pin connections if DSI funtion not used

Re: STM32 RTC Accuracy

Re: STM32 RTC Accuracy

Re: STM32 RTC Accuracy