Pinouts and pin description
STM32F031x4 STM32F031x6
28/113
DocID025743 Rev 3
6
3
3
3
B5
3
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
-
0
-
E1
-
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
17
13
13
13
E4
13
PA7
I/O
TTa
-
SPI1_MOSI,
I2S1_SD,
TIM3_CH2,
TIM14_CH1,
TIM1_CH1N,
TIM17_CH1,
EVENTOUT
ADC_IN7
Table 11. Pin definitions (continued)
Pin number
Pin name
(function after
reset)
Pin type
I/O
structure
Notes
Pin functions
LQ
FP4
8
LQ
FP3
2
UFQFPN3
2
UFQFPN2
8
WLCSP25
TSSOP20
Alternate functions
Additional
functions
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021-31660491
微可Vicor——值得信赖的元器件供应商
http://www.vicor.top/
021-31660491