ST STM32F301 6 Series Reference Manual page 142

General-purpose I/Os (GPIO)
8.4.12 GPIO register map
The following table gives the GPIO register map and reset values.
Offset Register name
GPIOA_MODER
0x00
Reset value
GPIOB_MODER
0x00
Reset value
GPIOx_MODER
(where x = C, D and
0x00
F)
Reset value
GPIOx_OTYPER
(where x = A..D and
0x04
F)
Reset value
GPIOA_OSPEEDR
0x08
Reset value
GPIOB_OSPEEDR
0x08
Reset value
GPIOx_OSPEEDR
(where x = C, D and
0x08
F)
Reset value
GPIOA_PUPDR
0x0C
Reset value
142/874
Table 21. GPIO register map and reset values
1 0 1 0 1 0 0 0 0
0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0
0 0 0 0 1 1 0 0 0
0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0
0 1 1 0 0 1 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
RM0366 Rev 5
RM0366
0 0 0 0 0 0 0 0 0 0 0 0
0 0 1 0 1 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 1 1 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0