Datasheet
DocID025743 Rev 6 27/106
STM32F031x4 STM32F031x6 Pinouts and pin description
32
6333B53
PF1-OSC_OUT
(PF1)
I/O FT - - OSC_OUT
7 4 4 4 C5 4 NRST I/O RST -
Device reset input / internal reset output
(active low)
8
16
(3)
0
(3)
16
(3)
E1
(3)
15
(3)
VSSA S - Analog ground
9 5 5 5 D5 5 VDDA S - Analog power supply
10 6 6 6 B4 6 PA0 I/O TTa -
TIM2_CH1_ETR,
USART1_CTS
ADC_IN0,
RTC_TAMP2,
WKUP1
11 7 7 7 C4 7 PA1 I/O TTa -
TIM2_CH2,
EVENTOUT,
USART1_RTS
ADC_IN1
12 8 8 8 D4 8 PA2 I/O TTa -
TIM2_CH3,
USART1_TX
ADC_IN2
13 9 9 9 E5 9 PA3 I/O TTa -
TIM2_CH4,
USART1_RX
ADC_IN3
14 10 10 10 B3 10 PA4 I/O TTa -
SPI1_NSS,
I2S1_WS,
TIM14_CH1,
USART1_CK
ADC_IN4
15 11 11 11 C3 11 PA5 I/O TTa -
SPI1_SCK,
I2S1_CK,
TIM2_CH1_ETR
ADC_IN5
16 12 12 12 D3 12 PA6 I/O TTa -
SPI1_MISO,
I2S1_MCK,
TIM3_CH1,
TIM1_BKIN,
TIM16_CH1,
EVENTOUT
ADC_IN6
Table 11. Pin definitions (continued)
Pin number
Pin name
(function upon
reset)
Pin type
I/O structure
Notes
Pin functions
LQFP48
LQFP32
UFQFPN32
UFQFPN28
WLCSP25
TSSOP20
Alternate functions
Additional
functions
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.