Pin
out
s and pin des
c
ript
ion
S
T
M
32
F03
1x4
STM
32F
031
x6
3
2/1
13
DocID025
743 Re
v 3
Table 12. Alternate functions selected through GPIOA_AFR registers for port A
Pin name
AF0
AF1
AF2
AF3
AF4
AF5
AF6
AF7
PA0
-
USART1_CTS
TIM2_CH1_
ETR
-
-
-
-
-
PA1
EVENTOUT
USART1_RTS
TIM2_CH2
-
-
-
-
-
PA2
-
USART1_TX
TIM2_CH3
-
-
-
-
-
PA3
-
USART1_RX
TIM2_CH4
-
-
-
-
-
PA4
SPI1_NSS,
I2S1_WS
USART1_CK
-
-
TIM14_CH1
-
-
-
PA5
SPI1_SCK,
I2S1_CK
-
TIM2_CH1_
ETR
-
-
-
-
-
PA6
SPI1_MISO,
I2S1_MCK
TIM3_CH1
TIM1_BKIN
-
-
TIM16_CH1
EVENTOUT
-
PA7
SPI1_MOSI,
I2S1_SD
TIM3_CH2
TIM1_CH1N
-
TIM14_CH1
TIM17_CH1
EVENTOUT
-
PA8
MCO
USART1_CK
TIM1_CH1
EVENTOUT
-
-
-
-
PA9
-
USART1_TX
TIM1_CH2
-
I2C1_SCL
-
-
-
PA10
TIM17_BKIN
USART1_RX
TIM1_CH3
-
I2C1_SDA
-
-
-
PA11
EVENTOUT
USART1_CTS
TIM1_CH4
-
-
-
-
-
PA12
EVENTOUT
USART1_RTS
TIM1_ETR
-
-
-
-
-
PA13
SWDIO
IR_OUT
-
-
-
-
-
-
PA14
SWCLK
USART1_TX
-
-
-
-
-
-
PA15
SPI1_NSS,
I2S1_WS
USART1_RX
TIM2_CH1_
ETR
EVENTOUT
-
-
-
-
微可Vicor——值得信赖的元器件供应商
http://www.vicor.top/
021-31660491
微可Vicor——值得信赖的元器件供应商
http://www.vicor.top/
021-31660491