The following registers are described in this section:
GPIOPADR: [8] (+ 0x00)
GPIOPBDR: [8] (+ 0x04)
GPIOPADDR: [8] (+ 0x08)
GPIOPBDDR: [8] (+ 0x0c).
For each of the following register descriptions, the format of the title is:
Register name: [bit width] (Offset from Base).