title: generating EXTI0 interrupt when extenal temperature sensor is connected to STM32F207VC
body: <p>I am using STM32F207VC controller . I have my  external probe temperature sensor connected to one of the internal ADC channel of stm32. </p>
  
  <p>I want to generate an  external interrupt when this is connected to controller and i should start measuring from external temperature sensor.</p>
  
  <p>Please could any one provide me code or any help in this</p>
  
  <p>Thanks</p>