ST STM32F405

RM0090 Rev 18 235/1749
RM0090 Reset and clock control for STM32F405xx/07xx and STM32F415xx/17xx(RCC)
266
Bit 2 GPIOCRST: IO port C reset
Set and cleared by software.
0: does not reset IO port C
1: resets IO port C
Bit 1 GPIOBRST: IO port B reset
Set and cleared by software.
0: does not reset IO port B
1:resets IO port B
Bit 0 GPIOARST: IO port A reset
Set and cleared by software.
0: does not reset IO port A
1: resets IO port A