Gpio Register Map; Table 39. Gpio Register Map And Reset Values - ST STM32F405 Reference Manual

RM0090
8.4.11

GPIO register map

The following table gives the GPIO register map and the reset values.
Offset Register
GPIOA_
MODER
0x00
Reset value
GPIOB_
MODER
0x00
Reset value
GPIOx_MODER
(where x =
0x00
C..I/J/K)
Reset value
GPIOx_
OTYPER
(where x =
0x04
A..I/J/K)
Reset value
GPIOx_
OSPEEDR
(where x =
0x08
A..I/J/K except
B)
Reset value
GPIOB_
OSPEEDR
0x08
Reset value
GPIOA_PUPDR
0x0C
Reset value
GPIOB_PUPDR
0x0C
Reset value

Table 39. 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
Reserved
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
RM0090 Rev 18
General-purpose I/Os (GPIO)
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 1 1
0 0 0 0 0 0 0 0 0
0 0 0 0 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
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