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NRF51822_Peripherals (GPIO (Registers (Pin Configuring registers (32 PIN…

- - - - 32 PIN_CNF[n] registers
        
        SENSE: Pin sensing - Detect LOW or HIGH level input
        
        INPUT: Connect input buffer
        
        DRIVE: Drive strength
        
        DIR: Select direction - Input or Output
        
        PULL: select pull up/down resistor
    - - IN and OUT: set/clear on entire 32 bits
    - - :warning:OUTSET and OUTCLR: only writing 1 takes effect
    - - DIR, DIRSET, DIRCLR
        
        :warning:DIRSET and DIRCLR: only writing takes effect
- - - - CONFIG[n]
    - - INTENSET, INTENCLR: enable/disable interrupt with bitwise
      - INTEN: enable/disable interrupt with MMW
- - - - CHEN: enable/disable channels with RMW
      - CHENSET, CHENCLR: enable/disable channel with bitwise
    - - CH[m].EEP: pointer to event register
      - CH[m].TEP: pointer to task register
    - - CHG[n]: group of channels