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8-Bit MCUs

Peripheral Pin Select (PPS)

I/O pin remapping of digital peripherals for greater design flexibility and improved layout.


  • Configure any digital peripheral to any I/O pin
  • Provides increased freedom and optimized use of integrated digital resources
  • Flexible pin function assignment
  • Route peripheral to multiple pins to increase current drive
  • Runtime configuration of pin out


  • Eliminates “pin overlap” for total optimization of peripheral resources
  • Simplified and optimized migration
  • Provides layout flexibility
peripheral pin select diagram