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RB0 Interrupt

<^< Timer 0 | Course Index | Port B Interrupt >^>

Largely simplified block schematic to demonstrate where the RB0 Interrupt is located in the PIC 16F1937 Architecture:

RBO External Interrupt:

• A logic level change on RB0 can be configured to generate an interrupt.
• It can be configured in Flowcode to react to a rising or to a falling edge on RB0.
• When it is set to react to a rising edge and a rising edge occurs at RB0 then:
  • This will immediately stop the main program
  • The RB0 related macro is executed
  • After this RBO macro is executed, the main program goes further where it had left before.

This will happen every time a rising edge is detected at pin RB0

<^< Timer 0 | Course index | Port B Interrupt >^>