STM32F038x6
Pin number
5
2
2
A5
6
3
3
B5
7
4
4
C5
0
16
E1
8
(3)
(3)
(3)
9
5
5
D5
10
6
6
B4
11
7
7
C4
12
8
8
D4
13
9
9
E5
14
10
10
B3
15
11
11
C3
16
12
12
D3
Table 11. Pin definitions (continued)
Pin name
(function upon reset)
PF0-OSC_IN
2
(PF0)
PF1-OSC_OUT
3
(PF1)
4
NRST
15
VSSA
(3)
5
VDDA
6
PA0
7
PA1
8
PA2
9
PA3
10
PA4
11
PA5
12
PA6
Notes
I/O
FT
-
I/O
FT
-
I/O
RST
-
S
-
S
-
I/O
TTa
-
I/O
TTa
-
I/O
TTa
-
I/O
TTa
-
I/O
TTa
-
I/O
TTa
-
I/O
TTa
-
DocID026079 Rev 3
Pinouts and pin description
Pin functions
Alternate functions
-
-
Device reset input / internal reset output
(active low)
Analog ground
Analog power supply
TIM2_CH1_ETR,
USART1_CTS
TIM2_CH2,
EVENTOUT,
USART1_RTS
TIM2_CH3,
USART1_TX
TIM2_CH4,
USART1_RX
SPI1_NSS,
I2S1_WS,
TIM14_CH1,
USART1_CK
SPI1_SCK,
I2S1_CK,
TIM2_CH1_ETR
SPI1_MISO,
I2S1_MCK,
TIM3_CH1,
TIM1_BKIN,
TIM16_CH1,
EVENTOUT
Additional
functions
OSC_IN
OSC_OUT
ADC_IN0,
RTC_TAMP2,
WKUP1
ADC_IN1
ADC_IN2
ADC_IN3
ADC_IN4
ADC_IN5
ADC_IN6
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