MODE3=B_0x0
GPIO port H mode register
MODE3 | Port H configuration I/O pin 3 These bits are written by software to configure the I/O mode. Access can be protected by GPIOH SEC3. 0 (B_0x0): Input mode 1 (B_0x1): General purpose output mode 2 (B_0x2): Alternate function mode 3 (B_0x3): Analog mode (reset state) |