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Unlock ARM STM32F205RE Microprocessor Flash memory and recover flash memory heximal file from mcu stm32f205re, the memory program content will be decrypted from microcontroller stm32f205re;

The STM32F20x devices embed a nested vectored interrupt controller able to manage 16 priority levels, and handle up to 81 maskable interrupt channels plus the 16 interrupt lines of the Cortex®-M3 when cracking arm mcu stm32f205rb protective system.

The NVIC main features are the following:

• Closely coupled NVIC gives low-latency interrupt processing
  • Interrupt entry vector table address passed directly to the core
  • Closely coupled NVIC core interface
  • Allows early processing of interrupts
  • Processing of late arriving, higher-priority interrupts
  • Support tail chaining
  • Processor state automatically saved
  • Interrupt entry restored on interrupt exit with no instruction overhead

This hardware block provides flexible interrupt management features with minimum interrupt latency.

The external interrupt/event controller consists of 23 edge-detector lines used to generate interrupt/event requests. Each line can be independently configured to select the trigger event (rising edge, falling edge, both) and can be masked independently to unlock stm32f205rc secured microcontroller flash memory program. A pending register maintains the status of the interrupt requests. The EXTI can detect an external line with a pulse width shorter than the Internal APB2 clock period. Up to 140 GPIOs can be connected to the 16 external interrupt lines.