Cracking STM32F042K6 Secured Microprocessor Flash memory protection and readout embedded firmware from mcu stm32f042k6, clone microcontroller stm32f042k6 heximal source code to provide the same functions;
Each of the GPIO pins can be configured by software as output (push-pull or open-drain), as input (with or without pull-up or pull-down) or as peripheral alternate function. Most of the GPIO pins are shared with digital or analog alternate functions.
The I/O configuration can be locked if needed following a specific sequence in order to avoid spurious writing to the I/Os registers.
The 5-channel general-purpose DMAs manage memory-to-memory, peripheral-to-memory and memory-to-peripheral transfers when decoding stm32f031k4 microcontroller flash content.
The DMA supports circular buffer management, removing the need for user code intervention when the controller reaches the end of the buffer.
Each channel is connected to dedicated hardware DMA requests, with support for software trigger on each channel. Configuration is made by software and transfer sizes between source and destination are independent. DMA can be used with the main peripherals: SPIx, I2Sx, I2Cx, USARTx, all TIMx timers (except TIM14) and ADC.