Pin
de
sc
rip
tions
ST
M32
L
15
1xC
STM32
L
15
2x
C
4
8/1
DocID02
279
9 R
ev 1
0
PB0
-
-
TIM3_CH3 -
-
-
-
-
SEG5
-
EVEN
TOUT
PB1
-
-
TIM3_CH4 -
-
-
-
-
SEG6
-
EVENT
OUT
PB2
BOOT1 -
-
-
-
-
-
-
-
EVENT
OUT
PB3
JTDO TIM2_CH2
-
-
-
SPI1_SCK
SPI3_SCK
I2S3_CK
-
SEG7 -
EVENT
OUT
PB4
NJTRST -
TIM3_CH1
-
-
SPI1_MISO
SPI3_MISO
-
SEG8
-
EVENT
OUT
PB5
-
-
TIM3_CH2 -
I2C1_SMBA SPI1_MOSI
SPI3_MOSI
I2S3_SD
-
SEG9 -
EVENT
OUT
PB6
-
TIM4_CH1 -
I2C1_SCL -
-
USART1_TX
-
-
EVENT
OUT
PB7
-
-
TIM4_CH2 -
I2C1_SDA -
-
USART1_RX
-
-
EVENT
OUT
PB8
-
-
TIM4_CH3 TIM10_CH1 I2C1_SCL
-
-
-
SEG16
-
EVENT
OUT
PB9
-
-
TIM4_CH4 TIM11_CH1 I2C1_SDA
-
-
-
COM3
-
EVENT
OUT
PB10
-
TIM2_CH3 -
-
I2C2_SCL
-
-
USART3_TX
SEG10 -
EVENT
OUT
PB11
-
TIM2_CH4 -
-
I2C2_SDA
-
-
USART3_RX
SEG11 -
EVENT
OUT
PB12
-
-
-
TIM10_CH1 I2C2_SMBA
SPI2_NSS
I2S2_WS
-
USART3_CK SEG12
-
EVENT
OUT
PB13
-
-
-
TIM9_CH1 -
SPI2_SCK
I2S2_CK
-
USART3_CTS SEG13
-
EVENT
OUT
PB14
-
-
-
TIM9_CH2
-
SPI2_MISO
-
USART3_RTS SEG14
-
EVENT
OUT
PB15
-
-
-
TIM11_CH1
-
SPI2_MOSI
I2S2_SD
-
-
SEG15
-
EVENT OUT
PC0
-
-
-
-
-
-
-
-
SEG18 TIMx_IC1
EVENT
OUT
PC1
-
-
-
-
-
-
-
-
SEG19 TIMx_IC2
EVENT
OUT
PC2
-
-
-
-
-
-
-
-
SEG20 TIMx_IC3
EVENT
OUT
PC3
-
-
-
-
-
-
-
-
SEG21 TIMx_IC4
EVENT
OUT
Table 10. Alternate function input/output (continued)
Port
name
Digital alternate function number
AFIO0
AFIO1
AFIO2
AFIO3
AFIO4
AFIO5
AFIO6
AFIO7
.
.
AFIO11
.
.
AFIO14
AFIO15
Alternate function
SYSTEM
TIM2
TIM3/4/5
TIM9/
10/11
I2C1/2
SPI1/2
SPI3
USART1/2/3
LCD
CPRI
SYSTEM