STMicroelectronics STM32L151CB Manual page 39

Table 5. Alternate function input/output (continued)
AFIO0 AFIO1 AFIO2
Port
name
SYSTEM TIM2
PE4 TRACED1 TIM3_CH2
PE5 TRACED2
TRACED3 /
PE6
WKUP3
PE7
PE8
TIM2_CH1_
PE9
ETR
PE10 TIM2_CH2
PE11 TIM2_CH3
PE12 TIM2_CH4
PE13
PE14
PE15
PH0-OSC_IN OSC_IN
PH1-
OSC_OUT
OSC_OUT
PH2
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*
TIM9_CH2*
SPI1_NSS
SPI1_SCK
SPI1_MISO
SPI1_MOSI
Alternate function
USART
N/A N/A N/A USBFS
1/2/3
LCD N/A N/A RI SYSTEM
TIMx_IC1 EVENTOUT
TIMx_IC2 EVENTOUT
TIMx_IC3 EVENTOUT
TIMx_IC4 EVENTOUT
TIMx_IC1 EVENTOUT
TIMx_IC2 EVENTOUT
TIMx_IC3 EVENTOUT
TIMx_IC4 EVENTOUT
TIMx_IC1 EVENTOUT
TIMx_IC2 EVENTOUT
TIMx_IC3 EVENTOUT
TIMx_IC4 EVENTOUT