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How to configure External Interrupt (on KL15, in PEx)

Question asked by Pete Klammer on Mar 25, 2013
Latest reply on May 9, 2013 by Lukas Heczko

I am trying to configure falling-edge External Interrupt on MKL15Z128VFT4 pin 38 [PTC5/LLWU_P9/SPI0_SCK/LPTMR0_ALT2/CMP0_OUT];

Processor Expert displays "Pin does not support selected edge" but KL15P80M48SF0RM reads in part:

"""

  1. 11.6.3 External interrupts

The external interrupt capability of the PORT module is available in all digital pin

muxing modes provided the PORT module is enabled.

Each pin can be individually configured for any of the following external interrupt

modes:

• Interrupt disabled, default out of reset

• Active high level sensitive interrupt

• Active low level sensitive interrupt

• Rising edge sensitive interrupt

• Falling edge sensitive interrupt

• Rising and falling edge sensitive interrupt

 

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