ST STM32 Nucleo User Manual

9 NUCLEO-C031C6 STM32 Nucleo-64 board I/O assignment
Table 12. NUCLEO-C031C6 STM32 Nucleo-64 board I/O assignment
Pin number Pin name Main feature / optional feature
1 PC13 BUTTON
2 PC14-OSC32_IN OSC32_IN
3 PC15-OSC32_OUT OSC32_OUT
4 PF3 I/O
5 VREF+ -
6 VDD -
7 VSS -
8 PF0-OSC_IN OSC_IN
9 PF1-OSC_OUT OSC_OUT
10 PF2-NRST RESET
11 PA0 ARD_A0_ADC_IN0
12 PA1 ARD_A1_ADC_IN1
13 PA2 VCP_USART2_TX
14 PA3 VCP_USART2_RX
15 PA4 ARD_A2_ADC_IN4
16 PA5 ARD_D13_SPI1_SCK
17 PA6 ARD_D12_SPI1_MISO
18 PA7 ARD_D11_SPI1_MOSI || TIM14_CH1
19 PB0 ARD_D10_SPI1_NSS || TIM3_CH3
20 PB1 ARD_A3_ADC_IN18
21 PB2 I/O
22 PB10 ARD_D4
23 PB11 I/O
24 PB12 I/O
25 PB13 I/O
26 PB14 I/O
27 PB15 I/O
28 PA8 I/O
29 PA9 ARD_D8
30 PC6 I/O
31 PC7 ARD_D9 || TIM3_CH2
32 PA10 ARD_D2
33 PA11 [PA9] ARD_A4_ADC_IN11
34 PA12 [PA10] ARD_A5_ADC_IN12
35 PA13 SWDIO
36 PA14-BOOT0 SWCLK
37 PA15 ARD_D7
38 PD0 I/O
UM2953
NUCLEO-C031C6 STM32 Nucleo-64 board I/O assignment
UM2953 - Rev 1
page 22/32

ST STM32 Nucleo Specifications

General

On-board Debugger	ST-LINK/V2-1
Microcontroller	STM32 Series (varies by model)
Connectivity	USB
Headers	Arduino Uno R3 and ST Morpho
Core	ARM Cortex-M (varies by model)
Operating Voltage	3.3V
Clock Speed	Varies depending on the STM32 MCU
Flash Memory	Varies depending on the STM32 MCU
SRAM	Varies depending on the STM32 MCU
GPIO Pins	Varies depending on the STM32 MCU
ADC Resolution	Varies depending on the STM32 MCU
DAC Resolution	Varies depending on the STM32 MCU
Communication Interfaces	SPI, I2C
Debug Interface	SWD