ST MB1367 Manuale utente
Introduction
The STM32G4 Nucleo-64 boards based on the MB1367 reference board (NUCLEO-G431RB, NUCLEO-G474RE, NUCLEO-
G491RE) provide an affordable and flexible way for users to try out new concepts and build prototypes with the STM32G4
Series microcontrollers, choosing from the various combinations of performance, power consumption and features. The
ARDUINO® Uno V3 connectivity and the ST morpho headers provide an easy means of expanding the functionality of the
Nucleo open development platform with a wide choice of specialized shields. The STM32G4 Nucleo-64 boards do not require
any separate probe as they integrate the STLINK-V3E debugger/programmer. The STM32G4 Nucleo-64 boards come with the
comprehensive free software libraries and examples available with the STM32CubeG4 MCU Package.
Figure 1. NUCLEO-G474RE top view Figure 2. NUCLEO-G474RE bottom view
Pictures are not contractual.
STM32G4 Nucleo-64 boards (MB1367)
UM2505
User manual
UM2505 - Rev 3 - November 2020
For further information contact your local STMicroelectronics sales office. www.st.com
1Features
• STM32G4 microcontroller (Arm® Cortex®-M4 at 170 MHz) in LQFP64 package featuring:
– 128 KBytes of Flash memory and 32 Kbytes of SRAM for STM32G431RBT6
– 512 KBytes of Flash memory and 96 Kbytes of SRAM for STM32G491RET6
– 512 KBytes of Flash memory and 128 Kbytes of SRAM for STM32G474RET6
• Fully compatible with STM32G473RET6 (512 Kbytes of Flash memory and 128 Kbytes of SRAM)
• 1 user LED
• 1 user and 1 reset push-buttons
• 32.768 kHz LSE crystal oscillator
• 24 MHz HSE on-board oscillator
• Board connectors:
– USB with Micro-AB
–MIPI® debug connector
–ARDUINO® Uno V3 expansion connector
– ST morpho extension pin headers for full access to all STM32G4 I/Os
• Flexible power-supply options: ST-LINK, USB VBUS, or external sources
• On-board STLINK-V3E debugger/programmer with USB re-enumeration capability: mass storage, Virtual
COM port, and debug port
• Comprehensive free software libraries and examples available with the STM32CubeG4 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.
UM2505
Features
UM2505 - Rev 3 page 2/43
2Ordering information
To order an STM32G4 Nucleo-64 board, refer to Table 1. Additional information is available from the datasheet
and reference manual of the target STM32.
Table 1. List of available products
Order code Board reference Target STM32
NUCLEO-G431RB
MB1367
STM32G431RBT6U
NUCLEO-G474RE STM32G474RET6U
NUCLEO-G491RE STM32G491RET6U
2.1 Codification
The meaning of the codification is explained in Table 2.
Table 2. Codification explanation
NUCLEO-G4XXRY Description Example: NUCLEO-G474RE
G4 MCU series in STM32 Arm Cortex MCUs STM32G4 Series
XX MCU line in the series STM32G474 line
R STM32 package pin count 64 pins
Y
STM32 Flash memory size:
• B for 128 Kbytes
• E for 512 Kbytes
512 Kbytes
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Ordering information
UM2505 - Rev 3 page 3/43
3Development environment
3.1 System requirements
• Windows® OS (7, 8, or 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.
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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Development environment
UM2505 - Rev 3 page 4/43
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
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Conventions
UM2505 - Rev 3 page 5/43
5Quick start
The STM32G4 Nucleo-64 board is a low-cost and easy-to-use development kit, used to evaluate and start
a development quickly with an STM32G4 Series microcontroller in LQFP64 package. Before installing and
using the product, accept the Evaluation Product License Agreement from the www.st.com/epla webpage. For
more information on the STM32G4 Nucleo-64 and for demonstration software, visit the www.st.com/stm32nucleo
webpage.
5.1 Getting started
Follow the sequence below to configure the STM32G4 Nucleo-64 board and launch the demonstration application
(refer to Figure 4 for component location):
1. Check the jumper position on the board (refer to Table 4)
2. For the correct identification of the device interfaces from the host PC and before connecting the board,
install the Nucleo USB driver available on the www.st.com/stm32nucleo website
3. To power the board, connect the STM32G4 Nucleo-64 board to a PC with a USB cable (Type-A to Micro-B)
through the USB connector CN1 of the board
4. Then, green LED LD3 (5V_PWR) and red LED LD1 (COM) light up, green LED LD2 (USER) blinks
5. Press user button B1 (left blue USER button)
6. Observe how the blinking of the green LED LD2 changes according to the clicks on button B1
7. The software demonstration and the several software examples that allow users exercise Nucleo features,
are available on the www.st.com/stm32nucleo webpage
8. Develop your own application using the available examples
Table 4. Jumper configuration
Jumper Definition Position(1) Comment(1)
JP1 NRST OFF STLINK-V3E reset
JP3 T_RST ON -
JP5 5 V power-source selection
ON [1-2] (Default) 5V_USB_STLK (from ST-LINK)
ON [3-4] (optional) 5V_VIN
ON [5-6] (optional) E5V
ON [7-8] (optional) 5V_USB_CHGR
JP6 IDD ON
JP7 BOOT0 OFF
JP8 VREF+ selection (VREF or VDD
voltage supply selection)
ON [1-2] (Default) VREF+ supplied with VREF
ON [2-3] (optional) VREF+ supplied with VDD
1. Default jumper state is shown in bold.
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Quick start
UM2505 - Rev 3 page 6/43
6Hardware layout and configuration
The STM32G4 Nucleo-64 board is designed around the STM32 microcontrollers in a 64-pin LQFP package.
Figure 3 shows the connections between the STM32 and its peripherals (STLINK-V3E, push-buttons, LEDs, USB,
ARDUINO® Uno and ST morpho headers). Figure 4 and Figure 5 show the location of these features on the
STM32G4 Nucleo-64 board. The mechanical dimensions of the board are shown in Figure 6.
Figure 3. Hardware block diagram
STLINK-V3E part
STM32G4XXRY
OSC_32
SWD
32 kHz
crystal
VCP
UART
GPIO
GPIOGPIO
Embedded
STLINK-V3E
SWD VCP
UART
USB
Micro-B
connector
(CN1)
B1
button
USER
B2
button
RESET
Arduino™
ST morpho
GPIO
Arduino™
ST morpho
5V
PWR SEL
STLK_RST
GND
GND
DEBUG
BOOT0
VREFIDD
OSC
24 MHz
crystal
xxx
Red LED
LD4 (OC)
Green LED
LD2 (USER)
Green LED LD3
(5V_PWR)
Connectors
or jumpers
Green/Orange LED LD1
(COM)
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Hardware layout and configuration
UM2505 - Rev 3 page 7/43
6.1 PCB layout
Figure 4. Top layout
LD4 red LED
(Over current)
LD1 bicolor LED
(COM)
LD3 green LED
(5V_PWR)
CN1 STLINK-V3E
Micro-B USB connector
LD4 red LED
(Over current)
JP1
STLINK-V3E reset
CN2
DFU connector
U5 STM32F723IEK6
(STLINK-V3E MCU)
CN4
MIPI10 connector
JP3 Target reset
X1 (25 MHz)
B1 USER button
U11 5V_Vin regulator
LD1117S50TR
JP6
IDD measurement
JP7
BOOT0
CN6
ARDUINO® connector
CN8
ARDUINO® connector
CN7
ST morpho pin header
HW102
product sticker
X2
32 kHz X3
24 MHz
CN9
ARDUINO® connector
CN5
ARDUINO® connector
CN10
ST morpho pin header
U14 voltage ref. IC
TL1431CL5T
JP8
VREF selection
U12 3V3 regulator
LD39050PU33R
JP5 5V power
source selection
B2 RESET button
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PCB layout
UM2505 - Rev 3 page 8/43
Figure 5. Bottom layout
CN1 STLINK-V3E
Micro-B USB connector
JP1
STLINK-V3E reset
CN2
DFU connector
JP5 5V power
source selection
JP8
VREF selection
JP6
IDD measurement
CN5
ARDUINO® connector
CN9
ARDUINO® connector
CN10
ST morpho pin header
CN8
ARDUINO® connector
CN6
ARDUINO® connector
CN7
ST morpho pin header
JP3 Target reset
CN4
MIPI10 connector
JP7 BOOT0
HW101
board sticker
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PCB layout
UM2505 - Rev 3 page 9/43
6.2 Mechanical drawing
Figure 6. STM32G4 Nucleo 64 board mechanical drawing (in millimeter)
6.3 Embedded STLINK-V3E
There are two different ways to program and debug the onboard STM32 MCU:
• Using the embedded STLINK-V3E
• Using an external debug tool connected to the CN4 MIPI10 connector.
The STLINK-V3E programming and debugging tool is integrated in the STM32G4 Nucleo-64 board.
UM2505
Mechanical drawing
UM2505 - Rev 3 page 10/43
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