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2 Ordering 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

STM32 Flash memory size:

• B for 128 Kbytes

• E for 512 Kbytes

512 Kbytes

UM2505

Ordering information

UM2505 - Rev 3

page 3/43

Figure 1. NUCLEO-G474RE Top View1
Figure 2. NUCLEO-G474RE Bottom View1
Features2
Ordering Information3
Codification3
Table 1. List of Available Products3
Table 2. Codification Explanation3
Development Environment4
System Requirements4
Development Toolchains4
Demonstration Software4
Conventions5
Table 3. ON/OFF Convention5
Quick Start6
Getting Started6
Table 4. Jumper Configuration6
Hardware Layout and Configuration7
Figure 3. Hardware Block Diagram7
PCB Layout8
Figure 4. Top Layout8
Figure 5. Bottom Layout9
Mechanical Drawing10
Embedded STLINK-V3E10
Figure 6. STM32G4 Nucleo 64 Board Mechanical Drawing (in Millimeter)10
Drivers11
STLINK-V3E Firmware Upgrade11
Figure 7. USB Composite Device11
Using an External Debug Tool to Program and Debug the On-Board STM3212
Table 5. MIPI10 / STDC14 Debug Connector (CN4)12
Figure 8. Connecting an External Debug Tool to Program the On-Board STM32G412
Power Supply13
Figure 9. STM32G4 Nucleo-64 Board Power Tree14
Figure 10. Power Supply Input from STLINK-V3E USB Connector with PC (5 V, 500 Ma Max)15
Table 6. External Power Sources: VIN (7 V - 12 V)16
Table 7. External Power Sources: E5V (5 V)17
Figure 11. Power Supply Input from VIN (7 V - 12 V, 800 Ma Max)17
Figure 12. Power Supply Input from 5V_EXT (5 V, 500 Ma Max)18
Table 8. External Power Sources: 5V_CHGR (5 V)19
Figure 13. Power Supply Input from ST-LINK USB Connector with USB Charger (5 V)19
Table 9. External Power Sources: 3V320
Debugging While Using VIN or EXT as an External Power Supply21
Figure 14. Power Supply Input from External 3V321
Clock Sources22
HSE Clock (High-Speed External Clock)22
LSE Clock (Low-Speed External Clock) - 32.768 Khz22
Board Functions23
Leds23
Push-Buttons23
MCU Voltage Selection on VREF23
Current Consumption Measurement (IDD)24
Virtual COM Port (VCP): LPUART and USART24
Solder Bridges24
Table 10. USART1 Connection24
Table 11. LPUART1 Connection24
Table 12. Solder Bridge Configuration24
Board Connectors28
STLINK-V3E USB Micro-B Connector CN128
MIPI10 Connector CN428
Table 13. USB Micro-B Connector CN1 Pinout28
Figure 15. USB Micro-B Connector CN1 (Front View)28
Figure 16. MIPI10 Connector CN428
ARDUINO ® uno V3 Connectors CN5, CN6, CN8 and CN929
Table 14. MIPI10 Connector CN4 Pinout (STDC14 Pinout Compatible)29
Figure 17. ARDUINO ® Connectors29
Table 15. ARDUINO ® Connectors Pinout30
Figure 18. ARDUINO ® and ST Morpho Connectors Pinout30
ST Morpho Connectors CN7 and CN1031
Table 16. Pin Assignment of the ST Morpho Connectors32
Figure 19. ST Morpho Connectors32
STM32G4 Nucleo-64 I/O Assignment34
Table 17. Nucleo-64 I/O Assignment34
STM32G4 Nucleo-64 Board Information36
Product Marking36
Board Revision History36
Known Limitations36
Revision C-0436
Federal Communications Commission (FCC) and ISED Canada Compliance37
Statements37
FCC Compliance Statement37
ISED Compliance Statement37
Revision History38
Table 18. Document Revision History38
Table of Contents39
Contents39
List of Tables41
List of Figures42

Brand	ST
Model	NUCLEO-G431RB
Category	Motherboard
Language	English

ST NUCLEO-G431RB User Manual

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