To Next Page

To Previous Page

General-purpose I/Os (GPIO) RM0390

180/1328 RM0390 Rev 4

Figure 19. Selecting an alternate function on STM32F446xx

1. Configured in FS.

7.3.3 I/O port control registers

Each of the GPIOs has four 32-bit memory-mapped control registers (GPIOx_MODER,

GPIOx_OTYPER, GPIOx_OSPEEDR, GPIOx_PUPDR) to configure up to 16 I/Os. The

069

)RUSLQVWRWKH*3,2[B$)5/>@UHJLVWHUVHOHFWVWKHGHGLFDWHGDOWHUQDWHIXQFWLRQ

$)V\VWHP

$)7,07,0

$)7,0

$)7,0&(&

$),&&(&

$)63,

$)63,6$,

$)63,86$578$5763',),1

$)63,86$578$5763',),1

$)&$17,048$'63,

$)6$,48$'63,27*B+627*B)6

$)

$))0&6',227*B+6





$)'&0,

$)

$)(9(17287

3LQ[[ 

$)5/>@

)RUSLQVWRWKH*3,2[B$)5+>@UHJLVWHUVHOHFWVWKHGHGLFDWHGDOWHUQDWHIXQFWLRQ

3LQ[[ 

$)5+>@

