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Table 5.
Alternate function input/output (continued)
AFIO0
AFIO1
AFIO2
Port
name
SYSTEM
TIM2
PC1
PC2
PC3
PC4
PC5
PC6
TIM3_CH1
PC7
TIM3_CH2
PC8
TIM3_CH3
PC9
TIM3_CH4
PC10
PC11
PC12
PC13-
RTC_AF1 /
RTC_AF1
WKUP2
PC14-
OSC32_IN
OSC32_IN
PC15-
OSC32_OUT
OSC32_OUT
PD0
PD1
Digital alternate function number
AFIO3
AFIO4
AFIO5 AFOI6 AFIO7 AFIO8 AFIO9 AFIO10 AFIO11 AFIO12 AFIO13 AFIO14 AFIO15
TIM3/4
TIM9/10/11
I2C1/2
SPI1/2
TIM9_CH1
SPI2_NSS
SPI2_SCK
Alternate function
USART
N/A
N/A
N/A
USBFS
1/2/3
USART3_
TX
USART3_
RX
USART3_
CK
LCD
N/A
N/A
RI
SEG19
TIMx_IC2 EVENTOUT
SEG20
TIMx_IC3 EVENTOUT
SEG21
TIMx_IC4 EVENTOUT
SEG22
TIMx_IC1 EVENTOUT
SEG23
TIMx_IC2 EVENTOUT
SEG24
TIMx_IC3 EVENTOUT
SEG25
TIMx_IC4 EVENTOUT
SEG26
TIMx_IC1 EVENTOUT
SEG27
TIMx_IC2 EVENTOUT
COM4 /
SEG28 /
TIMx_IC3 EVENTOUT
SEG40
COM5 /
SEG29 /
TIMx_IC4 EVENTOUT
SEG41
COM6 /
SEG30 /
TIMx_IC1 EVENTOUT
SEG42
TIMx_IC2 EVENTOUT
TIMx_IC3 EVENTOUT
TIMx_IC4 EVENTOUT
TIMx_IC1 EVENTOUT
TIMx_IC2 EVENTOUT
SYSTEM
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