Resolved! POR/PDR voltage threshold doesn't match with STM32G070RBT6 specification
I have tested Power On Reset / Power Down Reset (POR/PDR) voltage threshold on two STM32G070RBT6 sourced by different suppliers. The threshold isn't matching the specified voltage 2.06<VPOR<2.14 and 1.96<VPDR<2.04 but it fits values stated in STM32G0...