
Pinouts and pin descriptions
STM32F051x4 STM32F051x6 STM32F051x8
Pin number
Table 13. Pin definitions (continued)
Pin functions
Pin name
(function upon
reset)
Alternate functions
Additional
functions
33 H8 25 - - -
34 G8 26 - - -
35 F8 27 - - -
36 F7 28 - - -
37 F6 - - - -
38 E7 - - - -
39 E8 - - - -
40 D8 - - - -
41 D7 29 E2 18 18
42 C7 30 D1 19 19
43 C6 31 C1 20 20
44 C8 32 C2 21 21
PB12
PB13
PB14
PB15
PC6
PC7
PC8
PC9
PA8
PA9
PA10
PA11
I/O FT (5)
I/O FT (5)
I/O FT (5)
I/O FT (5)
I/O FT -
I/O FT -
I/O FT -
I/O FT -
I/O FT -
I/O FT -
I/O FT -
I/O FT -
SPI2_NSS,
TIM1_BKIN,
TSC_G6_IO2,
EVENTOUT
SPI2_SCK,
TIM1_CH1N,
TSC_G6_IO3
SPI2_MISO,
TIM1_CH2N,
TIM15_CH1,
TSC_G6_IO4
SPI2_MOSI,
TIM1_CH3N,
TIM15_CH1N,
TIM15_CH2
TIM3_CH1
TIM3_CH2
TIM3_CH3
TIM3_CH4
USART1_CK,
TIM1_CH1,
EVENTOUT,
MCO
USART1_TX,
TIM1_CH2,
TIM15_BKIN,
TSC_G4_IO1
USART1_RX,
TIM1_CH3,
TIM17_BKIN,
TSC_G4_IO2
USART1_CTS,
TIM1_CH4,
COMP1_OUT,
TSC_G4_IO3,
EVENTOUT
-
-
-
RTC_REFIN
-
-
-
-
-
-
-
-
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