ST STM32 Nucleo Manuale utente
Introduction
The STM32 Nucleo-64 board, based on the MB1717 reference board (NUCLEO-C031C6 order code) provides an affordable
and flexible way for users to try out new concepts and build prototypes with various combinations of performance, power
consumption, and features.
The ARDUINO® Uno V3 connectivity support and the ST morpho headers provide an easy means of expanding the functionality
of the STM32C0 Nucleo open development platform with a wide choice of specialized shields.
The STM32 Nucleo-64 board does not require any separate probe, as it integrates the ST-LINK/V2-1 debugger/programmer.
The STM32 Nucleo-64 board comes with the comprehensive free STM32 software libraries and examples that are available with
the STM32CubeC0 MCU Package.
Figure 1. NUCLEO-C031C6 board (Top view)
Picture is not contractual.
STM32 Nucleo-64 board (MB1717)
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User manual
UM2953 - Rev 1 - February 2022
For further information contact your local STMicroelectronics sales office. www.st.com
1Features
• STM32C031C6 microcontroller based on the Arm® Cortex®-M0+ processor with 32-Kbyte Flash memory
and 12-Kbyte SRAM, in an LQFP48 package
• User LED shared with ARDUINO®
• User and reset push-buttons
• 32.768 kHz crystal oscillator
• Board connectors:
– ARDUINO® Uno V3 expansion connector
– ST morpho extension pin headers for full access to all STM32C0 I/Os
• Flexible power-supply options: ST-LINK USB VBUS or external sources
• On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability: mass storage, Virtual
COM port, and debug port
• Comprehensive free software libraries and examples available with the STM32CubeC0 MCU Package
• Support of a wide choice of Integrated Development Environments (IDEs) including IAR Embedded
Workbench®, MDK-ARM, and STM32CubeIDE
Note: Arm is a registered trademark of Arm Limited (or its subsidiaries) in the US and/or elsewhere.
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2Ordering information
To order the NUCLEO-C031C6 Nucleo-64 board, refer to Table 1. Additional information is available from the
datasheet and reference manual of the target STM32.
Table 1. Ordering information
Order code Board reference Target STM32
NUCLEO-C031C6 MB1717 STM32C031C6T6
2.1 Codification
The meaning of the codification is explained in Table 2.
Table 2. Codification explanation
NUCLEO-XXYYTZ Description Example: NUCLEO-C031C6
XX MCU series in STM32 32-bit Arm Cortex MCUs STM32C0 Series
YY Product line in the Series STM32C0x1 product line
TSTM32 package pin count:
• C for 48 pins 48‑pin package
ZSTM32 Flash memory size:
• 6 for 32 Kbytes 32‑Kbyte Flash memory
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3Development environment
3.1 System requirements
• Multi‑OS support: Windows® 10, Linux® 64-bit, or macOS®
• USB Type-A or USB Type-C® to Micro-B cable
Note: macOS® is a trademark of Apple Inc., registered in the U.S. and other countries and regions.
Linux® is a registered trademark of Linus Torvalds.
All other trademarks are the property of their respective owners.
3.2 Development toolchains
• IAR Systems® - IAR Embedded Workbench®(1)
• Keil® - MDK-ARM(1)
• STMicroelectronics - STM32CubeIDE
1. On Windows® only.
3.3 Demonstration software
The demonstration software, included in the STM32Cube MCU Package corresponding to the on-board
microcontroller, is preloaded in the STM32 flash memory for easy demonstration of the device peripherals in
standalone mode. The latest versions of the demonstration source code and associated documentation can be
downloaded from www.st.com.
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4Conventions
Table 3 provides the conventions used for the ON and OFF settings in the present document.
Table 3. ON/OFF convention
Convention Definition
Jumper JPx ON Jumper fitted
Jumper JPx OFF Jumper not fitted
Jumper JPx [1-2] Jumper fitted between Pin 1 and Pin 2
Solder bridge SBx ON SBx connections closed by 0 Ω resistor
Solder bridge SBx OFF SBx connections left open
Resistor Rx ON Resistor soldered
Resistor Rx OFF Resistor not soldered
Capacitor Cx ON Capacitor soldered
Capacitor Cx OFF Capacitor not soldered
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Conventions
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5Quick start
This section describes how to quickly start development using NUCLEO-C031C6.
To use the product, the user must accept the Evaluation Product License Agreement from the www.st.com/epla
webpage.
For more information on the STM32 Nucleo-64 board and demonstration software, visit the www.st.com/
stm32nucleo webpage.
5.1 Getting started
Follow the sequence below to configure the STM32 Nucleo-64 board and launch the demonstration application
(Refer to Figure 3 for component location):
1. Check jumper positions on board: CN2 ST-LINK [1-2] and [3-4], JP5 PWR [1-2], and JP6 ON.
2. For correct identification of all device interfaces from the host PC, install the Nucleo USB driver available on
the www.st.com/stm32nucleo web page, before connecting the board.
3. To power the board, connect the STM32 Nucleo-64 board to a PC with a USB Type-A or USB Type-C® to
Micro-B cable through the CN1 USB connector. Once powered on, the LD3 PWR green LED lights up and
LD1 COM LED blinks.
4. Press the B1 blue user button.
5. Observe that the blinking frequency of the LD4 three green LEDs changes, by clicking on the B1 button.
6. The demonstration software and several software examples showing how to use the STM32 Nucleo features
are available from the NUCLEO-C031C6 product location.
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6Hardware layout and configuration
The NUCLEO-C031C6 Nucleo-64 board is designed around the STM32C031C6T6 microcontroller in a 48-pin
LQFP package.
The hardware block diagram in Figure 2 illustrates the connections between the NUCLEO-C031C6
microcontroller and its peripherals, such as the ARDUINO® Uno V3 connector, ST morpho connector,
push‑button, and embedded ST-LINK/V2-1).
Figure 3 and Figure 4 help the user to locate these features on the STM32 Nucleo-64 board. The mechanical
dimensions of the NUCLEO-C031C6 product are shown in Figure 5.
Figure 2. Hardware block diagram
Embedded
ST-LINK/V2-1
STM32
microcontroller
RESET
SWD
ST morpho extension header
ST morpho extension header
B2
RESET
B1
USER
ARDUINO® connector
LED
LD4
ST-LINK part
MCU part
USB
Micro-B
UART
IO
IO
IO
IO
ARDUINO® connector
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Figure 3. NUCLEO-C031C6 PCB top side
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Figure 4. NUCLEO-C031C6 PCB bottom side
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6.1 STM32 Nucleo-64 board mechanical drawing
Figure 5. STM32 Nucleo-64 board mechanical dimensions (in millimeters)
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STM32 Nucleo-64 board mechanical drawing
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