Module regs
- Brr
- Port bit reset register (GPIOn_BRR)
- Bsrr
- Port bit set/reset register (GPIOn_BSRR)
- Cr
- Port configuration register (GPIOn_CRx)
- Idr
- Port input data register (GPIOn_IDR)
- Lckr
- Port configuration lock register
- Odr
- Port output data register (GPIOn_ODR)