Resolved! HAL bug in GPIO deinit (STM32L0)
in software package STM32L0 1.12.1in file stm32l0xx_hal_gpio.cin function void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin)The pin is deinited by setting it as input floating:/* Configure IO Direction in Input Floting Mode */ GPIOx->MODER ...