ST STM32F31xx User Manual

UM1581
General-purpose I/Os (GPIO)
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 #define: GPIO_AF_1 ((uint8_t)0x01)
 #define: GPIO_AF_2 ((uint8_t)0x02)
 #define: GPIO_AF_3 ((uint8_t)0x03)
 #define: GPIO_AF_4 ((uint8_t)0x04)
 #define: GPIO_AF_5 ((uint8_t)0x05)
 #define: GPIO_AF_6 ((uint8_t)0x06)
 #define: GPIO_AF_7 ((uint8_t)0x07)
 #define: GPIO_AF_8 ((uint8_t)0x08)
 #define: GPIO_AF_9 ((uint8_t)0x09)
 #define: GPIO_AF_10 ((uint8_t)0x0A)
 #define: GPIO_AF_11 ((uint8_t)0x0B)
 #define: GPIO_AF_12 ((uint8_t)0x0E)

ST STM32F31xx Specifications

General

Brand	ST
Model	STM32F31xx
Category	Microcontrollers
Language	English