PCR=0, ASEL=0, PDR=0, ISEL=0, PODR=0, NCODR=0, PIDR=0, EOFR=00, DSCR=00
Port C15 Pin Function Select Register
| PODR | Port Output Data 0 (0): Low output 1 (1): High output |
| PIDR | Pmn State 0 (0): Low level 1 (1): High level |
| PDR | Port Direction 0 (0): Input (functions as an input pin) 1 (1): Output (functions as an output pin) |
| PCR | Pull-up Control 0 (0): Disable input pull-up 1 (1): Enable input pull-up |
| NCODR | N-Channel Open-Drain Control 0 (0): CMOS output 1 (1): NMOS open-drain output |
| DSCR | Port Drive Capability 0 (00): Low drive 1 (01): Middle drive 2 (10): High-speed high-drive / High current drive 3 (11): High drive |
| EOFR | Event on Falling/Event on Rising 0 (00): Don’t care 1 (01): Detect rising edge 2 (10): Detect falling edge 3 (11): Detect both edges |
| ISEL | IRQ Input Enable 0 (0): Not used as an IRQn input pin 1 (1): Used as an IRQn input pin |
| ASEL | Analog Input Enable 0 (0): Not used as an analog pin 1 (1): Used as an analog pin |