Pin
out
s and pin des
c
ript
ions
STM3
2F0
4
2
x4 STM3
2F0
4
2
x
6
3
8/1
DocID025
832 Re
v 5
Table 15. Alternate functions selected through GPIOB_AFR registers for port B
Pin name
AF0
AF1
AF2
AF3
AF4
AF5
PB0
EVENTOUT
TIM3_CH3
TIM1_CH2N
TSC_G3_IO2
-
-
PB1
TIM14_CH1
TIM3_CH4
TIM1_CH3N
TSC_G3_IO3
-
-
PB2
-
-
-
TSC_G3_IO4
-
-
PB3
SPI1_SCK, I2S1_CK
EVENTOUT
TIM2_CH2
TSC_G5_IO1
-
-
PB4
SPI1_MISO, I2S1_MCK
TIM3_CH1
EVENTOUT
TSC_G5_IO2
-
TIM17_BKIN
PB5
SPI1_MOSI, I2S1_SD
TIM3_CH2
TIM16_BKIN
I2C1_SMBA
-
-
PB6
USART1_TX
I2C1_SCL
TIM16_CH1N
TSC_G5_IO3
-
-
PB7
USART1_RX
I2C1_SDA
TIM17_CH1N
TSC_G5_IO4
-
-
PB8
CEC
I2C1_SCL
TIM16_CH1
TSC_SYNC
CAN_RX
-
PB9
IR_OUT
I2C1_SDA
TIM17_CH1
EVENTOUT
CAN_TX
SPI2_NSS
PB10
CEC
I2C1_SCL
TIM2_CH3
TSC_SYNC
-
SPI2_SCK
PB11
EVENTOUT
I2C1_SDA
TIM2_CH4
-
-
-
PB12
SPI2_NSS
EVENTOUT
TIM1_BKIN
-
-
-
PB13
SPI2_SCK -
TIM1_CH1N
-
-
I2C1_SCL
PB14
SPI2_MISO
-
TIM1_CH2N
-
-
I2C1_SDA
PB15
SPI2_MOSI
-
TIM1_CH3N
-
-
-
Table 16. Alternate functions selected through GPIOF_AFR registers for port F
Pin name
AF0
AF1
PF0
CRS_SYNC
I2C1_SDA
PF1
-
I2C1_SCL