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Table 15. Alternate functions selected through GPIOB_AFR registers for port B
Pin name
AF0
PB0
EVENTOUT
PB1
TIM14_CH1
PB2
-
PB3
SPI1_SCK, I2S1_CK
PB4
SPI1_MISO, I2S1_MCK
PB5
SPI1_MOSI, I2S1_SD
PB6
USART1_TX
PB7
USART1_RX
PB8
CEC
PB9
IR_OUT
PB10
CEC
PB11
EVENTOUT
PB12
SPI2_NSS
PB13
SPI2_SCK
PB14
SPI2_MISO
PB15
SPI2_MOSI
AF1
AF2
TIM3_CH3
TIM1_CH2N
TIM3_CH4
TIM1_CH3N
-
-
EVENTOUT
TIM2_CH2
TIM3_CH1
EVENTOUT
TIM3_CH2
TIM16_BKIN
I2C1_SCL
TIM16_CH1N
I2C1_SDA
TIM17_CH1N
I2C1_SCL
TIM16_CH1
I2C1_SDA
TIM17_CH1
I2C1_SCL
TIM2_CH3
I2C1_SDA
TIM2_CH4
EVENTOUT
TIM1_BKIN
-
TIM1_CH1N
-
TIM1_CH2N
-
TIM1_CH3N
AF3
AF4
TSC_G3_IO2
-
TSC_G3_IO3
-
TSC_G3_IO4
-
TSC_G5_IO1
-
TSC_G5_IO2
-
I2C1_SMBA
-
TSC_G5_IO3
-
TSC_G5_IO4
-
TSC_SYNC
CAN_RX
EVENTOUT
CAN_TX
TSC_SYNC
-
-
-
-
-
-
-
-
-
-
-
AF5
-
-
-
-
TIM17_BKIN
-
-
-
-
SPI2_NSS
SPI2_SCK
-
-
I2C2_SCL
I2C2_SDA
-
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