Datasheet

Pinouts and pin description STM32F050xx
28/97 Doc ID 023683 Rev 1
29 18 18 - PA8 I/O FT
USART1_CK,
TIM1_CH1,
EVENTOUT,
MCO
30 19 19 17 PA9 I/O FTf
USART1_TX,
TIM1_CH2,
I2C1_SCL
(3)
31 20 20 18 PA10 I/O FTf
USART1_RX,
TIM1_CH3,
TIM17_BKIN,
I2C1_SDA
(3)
32 21 - - PA11 I/O FT
USART1_CTS,
TIM1_CH4,
EVENTOUT
33 22 - - PA12 I/O FT
USART1_RTS,
TIM1_ETR,
EVENTOUT
34 23 21 19
PA 1 3
(SWDAT)
I/O FT
(4)
IR_OUT,
SWDAT
35 - - - PF6 I/O FTf I2C1_SCL
(3)
36 - - - PF7 I/O FTf I2C1_SDA
(3)
37 24 22 20
PA 1 4
(SWCLK)
I/O FT
(4)
SWCLK,
USART1_TX
(3)
38 25 23 - PA15 I/O FT
SPI1_NSS,
I2S1_WS,
TIM2_CH_ETR,
EVENTOUT,
USART1_RX
(3)
39 26 24 - PB3 I/O FT
SPI1_SCK,
I2S1_CK,
TIM2_CH2,
EVENTOUT
40 27 25 - PB4 I/O FT
SPI1_MISO,
I2S1_MCK,
TIM3_CH1,
EVENTOUT
Table 8. Pin definitions (continued)
Pin number
Pin name
(function after
reset)
Pin type
I/O structure
Notes
Pin functions
LQFP48
UFQFPN32 UFQFPN28
TSSOP20
Alternate functions
Additional
functions