STM32
L
15
1x
C/C-A STM32
L
15
2x
C/C-A
P
in des
c
ript
io
ns
Do
cID0
261
1
9 Rev 5
47/133
PA12
-
-
-
-
-
SPI1_MOSI -
USART1_RTS -
-
-
TIMx_IC1
EVENT
OUT
PA13
JTMS-SWDIO -
-
-
-
-
-
-
-
-
-
TIMx_IC2
EVENT
OUT
PA14
JTCK-SWCLK -
-
-
-
-
-
-
-
-
-
TIMx_IC3
EVEN
TOUT
PA15
JTDI TIM2_CH1_ETR
-
-
-
SPI1_NSS
SPI3_NSS
I2S3_WS
-
-
SEG17
-
TIMx_IC4
EVEN
TOUT
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
Table 9. Alternate function input/output (continued)
Port name
Digital alternate function number
AFIO0
AFIO1
AFIO2
AFIO3
AFIO4
AFIO5
AFIO6
AFIO7
AFIO8 .. AFIO11 AFIO12 ..
AFIO14
AFIO15
Alternate function
SYSTEM
TIM2
TIM3/4/5
TIM9/
10/11
I2C1/2
SPI1/2
SPI3
USART1/2/3
-
LCD
-
CPRI
SYSTEM