I am using BLE OTA bootloader found in CubeWb1.8.0 to upload a firmware to a custom STM32WB55CG device. I am using ST BLE sensor app to upload the firmware from an android phone to the custom device. I was able to successfully carry out FOTA and rest...

I programmed the RTC to work on LSI for this application. When I use LSI for the RTC the RTC init goes into timeout, but RTC works fine with LSE. I am using P-Nucleo-WB55 board to test this. Can anyone explain the reason behind this?

I am building a wireless application (BLE) with STM32WB55CG. For that, I am planning to use HSI and LSE (LSE as RF wake up clock and HSI as CPU1 and CPU2 clock). For that, I disabled HSE in the RCC part of CubeMX. After I did that, RF becomes inactiv...