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UM3448
User manual
STM32WBA Nucleo-64 board (MB1801 and MB2130)
Introduction
The
NUCLEO-WBA65RI
STM32 Nucleo-64 board, based on the MB1801 mezzanine board and the MB2130 MCU RF board, is
®
a wireless and ultra‑low‑power board embedding a powerful and ultra‑low‑power radio compliant with the Bluetooth
LE, IEEE
®
802.15.4-2015 PHY and MAC, supporting Thread, Matter, and Zigbee
.
®
A user USB Type-C
is also provided for easy connection with other devices.
®
The ARDUINO
Uno V3 connectivity support and the ST morpho headers allow the easy expansion of the functionality of the
STM32 Nucleo open development platform with a wide choice of specialized shields.
Figure 1.
NUCLEO-WBA65RI global view
Picture is not contractual.
UM3448 - Rev 1 - February 2025
www.st.com
For further information, contact your local STMicroelectronics sales office.
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Summary of Contents for ST NUCLEO-WBA65RI
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Page 1: Figure 1. Nucleo-Wba65Ri Global View
® The ARDUINO Uno V3 connectivity support and the ST morpho headers allow the easy expansion of the functionality of the STM32 Nucleo open development platform with a wide choice of specialized shields. Figure 1. -
Page 2: Features
® ◦ ARDUINO Uno V3 expansion connector ◦ ST morpho headers for full access to all STM32 I/Os • Flexible power-supply options: ST-LINK USB V or external sources • On-board STLINK-V3EC debugger/programmer with USB re-enumeration capability: mass storage, Virtual COM port, and debug port •... -
Page 3: Ordering Information
UM3448 Ordering information Ordering information To order the NUCLEO-WBA65RI board, refer to Table 1. Additional information is available from the datasheet and reference manual of the target microcontroller. Table 1. List of available products Order code Board reference Target STM32 •... -
Page 4: Development Environment
The latest versions of the demonstration source code and associated documentation can be downloaded from www.st.com. CAD resources All board design resources, including schematics, CAD databases, manufacturing files, and the bill of materials, are available from the NUCLEO-WBA65RI product page at www.st.com. UM3448 - Rev 1 page 4/48... -
Page 5: Conventions
UM3448 Conventions Conventions 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... -
Page 6: Safety Recommendations
UM3448 Safety recommendations Safety recommendations Targeted audience This product targets users with at least basic electronics or embedded software development knowledge such as engineers, technicians, or students. This board is not a toy and is not suited for use by children. Handling the board This product contains a bare printed circuit board and like all products of this type, the user must be careful about the following points:... -
Page 7: Quick Start
The Nucleo board is an easy-to-use development kit to evaluate quickly and start development with an STM32 microcontroller in a VFQFPN68 package. Getting started Follow the sequence below to configure the NUCLEO-WBA65RI board and launch the demonstration application (refer to Figure 3... -
Page 8: Hardware Layout And Configuration
UM3448 Hardware layout and configuration Hardware layout and configuration NUCLEO-WBA65RI is designed around the STM32WBA65RI. The design includes a mezzanine board and an MCU RF board. The hardware block diagram in Figure 2 illustrates the connection between STM32WBA65RI and ®... -
Page 9: Figure 3. Nucleo-Wba65Ri Pcb Top View
UM3448 Hardware layout and configuration Figure 3. NUCLEO-WBA65RI PCB top view PCB antenna RF output connector (CN3) Antenna matching (not mounted by default) ARDUINO Digital 8-15 (CN6) ® IPD (U1) HSE crystal 32 MHz (X2) LSE crystal 32.768 kHz (X1) -
Page 10: Figure 4. Nucleo-Wba65Ri Pcb Bottom View Of Mezzanine Board (Mb1801)
UM3448 Hardware layout and configuration Figure 4. NUCLEO-WBA65RI PCB bottom view of mezzanine board (MB1801) MIPI10/STDC14 connector (CN17) LDO 5V LDO 3V3 (U3) (U4) Level shifters (U6, U9, and U15) STM32F723IE ST-LINK core (U5) Power switch (U10) LDO 3V3 (U11) -
Page 11: Figure 5. Nucleo-Wba65Ri (Mb1801) Mechanical Dimensions (In Millimeters)
UM3448 Hardware layout and configuration Figure 5. NUCLEO-WBA65RI (MB1801) mechanical dimensions (in millimeters) UM3448 - Rev 1 page 11/48... -
Page 12: Figure 6. Nucleo-Wba65Ri (Mb2130) Mechanical Dimensions (In Millimeters)
UM3448 Hardware layout and configuration Figure 6. NUCLEO-WBA65RI (MB2130) mechanical dimensions (in millimeters) UM3448 - Rev 1 page 12/48... -
Page 13: Power Supply
By default, the STM32WBA65RI embedded on this Nucleo board is supplied by 3V3 but the board proposes ® many possibilities to supply the module. In fact, at first, the 3V3 can come from ST-LINK USB, ARDUINO , or ST morpho connectors. Moreover, STM32WBA65RI can be supplied by an external source (between 1.8 and 3.3 V). -
Page 14: To 12 V Power Supply
® ARDUINO shield, which can deliver this type of voltage on the VIN pin. • Pin VIN of the ST morpho connector (CN3-24). It is possible to apply until +12 V on this pin like for the ® ARDUINO connection. -
Page 15: Table 4. Power Supply Selector (Jp1) Description
Power selector supply section). 5V sources NUCLEO-WBA65RI is supplied through CN10 or through pin 6 of the ST morpho connector (CN3). Refer to the configuration details in the present Power supply section. 5V sources NUCLEO-WBA65RI is supplied through the ST- ®... -
Page 16: Current Measurement
SB1 must be ON. Figure 8 shows the configuration. Figure 8. Current measurement with an ammeter AVDDEXT (CN11-1) ARDUINO® AVDD (CN6-8) VDDA/VREF+ ST morpho AVDD (CN4-7) ARDUINO® VIN (CN5-8) JP1 [5-6] LDO 5V ST morpho VIN (CN3-24) STM32WBA65RI SB20 VEXT (CN10-1) -
Page 17: Figure 9. Current Measurement With An External Power Supply
JP1 but STM recommends the [1-2] position as there is a power switch protection. Figure 9. Current measurement with an external power supply AVDDEXT (CN11-1) ARDUINO® AVDD (CN6-8) VDDA/VREF+ ST morpho AVDD (CN4-7) ARDUINO® VIN (CN5-8) JP1 [5-6] LDO 5V ST morpho VIN (CN3-24) STM32WBA65RI... -
Page 18: Figure 10. Current Measurement With Stlink-V3Pwr
® shield. The height of the connector is not compatible with the plug of the ARDUINO shield. Moreover, it is always possible to plug an ST morpho shield on the bottom side of MB1801. UM3448 - Rev 1 page 18/48... -
Page 19: Figure 11. Configuration For Current Measurement With Stlink-V3Pwr
No VCP is available on the MIPI10 connector (CN17). If you need VCP1, replace connector CN17 with a 14 STDC14 connector. After connection, download STM32CubeMonitor-Power (STM32CubeMonPwr) from the www.st.com website and install it. This software allows the user to carry out dynamic current measurements with ease. -
Page 20: Radio Output Configuration
UM3448 Hardware layout and configuration Radio output configuration • By default, the board is configured with R2 ON and R3 OFF to use the PCB antenna. • The configuration to use the SMA antenna is R2 OFF and R3 ON. The user must assemble the SMA connector not present by default. -
Page 21: Reset Sources
UM3448 Hardware layout and configuration Reset sources The reset signal of NUCLEO-WBA65RI is active LOW. The internal PU forces the RST signal to a high level. The sources of reset are: • Reset push-button (B4) • Embedded STLINK-V3EC ® ®... -
Page 22: Stlink-V3Ec Firmware Upgrade
(TN1235) at www.st.com. 7.5.3 STLINK-V3EC USB connector (CN15) The main function of this connector is the access to STLINK-V3EC embedded on the NUCLEO-WBA65RI for the debugging as explained above. It allows supplying the board (refer to Section 7.1: Power supply). The connector ®... -
Page 23: Virtual Com Port Usart1 (Vcp1)
STLINK-V3EC offers a USB Virtual COM port bridge. This feature allows access to the USART1 of NUCLEO- WBA65RI by the USB ST-LINK connector. By default, this USART1 interface of NUCLEO-WBA65RI is connected to the VCP1 of the STLINK-V3EC MCU (STM32F723IE). -
Page 24: Leds
LD5: This LED gives information about the STLINK-V3EC target power. • LD6: This LED blinks during communication with the PC. For detailed information about the STLINK-V3EC LEDs, refer to the technical note Overview of ST-LINK derivatives (TN1235) at www.st.com. Table 8. -
Page 25: Push-Buttons
® Note that PC13 is also connected to ARDUINO and ST morpho connectors as GPIO, depending on the use case that can generate conflict with B1. In this case, it is possible to remove the connection of B1 (SB2 OFF). -
Page 26: Rf I/O Stage
This antenna is described in the application note Guidelines for meander design using low-cost PCB antennae with 2.4 GHz radio for STM32WB/WB0 MCUs (AN5129) available at www.st.com. Between the STM32WBA65RI and the antenna, there is an integrated passive device (IPD). This IPD considerably reduces harmonics and adapts the output to 50 Ω. -
Page 27: Connector Naming
Connector locations and namings MCU RF board connector MCU RF board connector (CN2) (CN1) ARDUINO connector ® ARDUINO connector ® (CN6) (CN5) ST morpho connector ST morpho connector (CN4) MB2130 (CN3) ARDUINO connector ® ARDUINO connector ® (CN8) (CN7) MB1801 7.10... -
Page 28: Operating Voltage
7.10.3 ® ARDUINO pinout ® Figure 18 shows the position of the ARDUINO shield when plugged into NUCLEO-WBA65RI. The pinout shown ® Figure 20 corresponds to standard ARDUINO naming. To see the correspondence with the STM32, refer to Table ®... -
Page 29: Table 10. Pinout Of The Arduino ® Connectors
® Table 10. Pinout of the ARDUINO connectors Left connectors Right connectors Connector Pin number Pin name MCU pin Function Function MCU pin Pin name Pin number Connector I2C1_SCL/I2C3_SCL I2C1_SDA/I2C3_SDA VDDA AVDD NC (reserved for tests) SPI2_SCK/16_BKIN PB10 IOREF SPI2_MISO (IOREF) NRST NRST... -
Page 30: St Morpho Interface And Pinout
7.11.1 Description The ST morpho connectors (CN3 and CN4) are male pin headers accessible on both sides of the board. All signals and power pins of the MCU are available on the ST morpho connectors. An oscilloscope, logical analyzer, or voltmeter can also probe these connectors. -
Page 31: Table 11. St Morpho Pinout
UM3448 Hardware layout and configuration Table 11. ST morpho pinout STM32WBA65RI pin STM32WBA65RI pin STM32WBA65RI pin STM32WBA65RI pin number name number name number name number name PA15 5V_EXT BOOT0 VDDA 5V_USB_MCU PA13 PB3/SWO PA14 IOREF PB10 PD6(USB_FS_P) NRST PD7(USB_FS_N) PA15 (JTDI) -
Page 32: Mcu Rf Board Interface And Pinout
GPIO56 PB8 (LD3) PB12 (VCP1_TX) GPIO24 GPIO57 (*) Optional, need to change VDD15 state of solder bridges GPIO number ARDUINO ® signal name Power ST morpho pin number Not connected (nc) STM32WBA65RI pin name UM3448 - Rev 1 page 32/48... -
Page 33: Table 12. Mcu Rf Board Connector Pinout
UM3448 Hardware layout and configuration Table 12. MCU RF board connector pinout STM32WBA65RI pin STM32WBA65RI pin STM32WBA65RI pin STM32WBA65RI pin number name number name number name number name VDD1 PA15 BOOT0 NRST PB10 PB3/SWO PA13 PA14 VDD3 VDDA PA15 /JTDI PB11 PA10 PD14/PA12... -
Page 34: Etm 20 Interface And Pinout
UM3448 Hardware layout and configuration 7.13 ETM 20 interface and pinout 7.13.1 Description On the MCU RF board, there is a footprint for direct debugging. This is an ETM 20 connector. By default, the ETM connector (CN4) is not assembled. On MB2130, ETM trace is available. To perform an ETM trace, it is necessary to solder the CN4 connector. -
Page 35: Mipi10 Connector
On the mezzanine board, there is a connector (CN17) for direct debugging. This connector is compatible with MIPI10 and it is possible to change the connector or connect the missing signals to have STDC14 full signals. Nevertheless, it is necessary to put the onboard ST-LINK in reset mode by mounting JP3. Table 14. -
Page 36: Nucleo-Wba65Ri Product Information
UM3448 NUCLEO-WBA65RI product information NUCLEO-WBA65RI product information Product marking The product and each board composing the product are identified with one or several stickers. The stickers, located on the top or bottom side of each PCB, provide product information: •... -
Page 37: Nucleo-Wba65Ri Product History
UM3448 NUCLEO-WBA65RI product information NUCLEO-WBA65RI product history Table 15. Product history Order Product Product details Product change description Product limitations code identification MCU: STM32WBA65RIV7 silicon revision "Z" MCU errata sheet: STM32WBA6xxx device errata (ES0644) NUWBA65RI$DR1 Initial revision No limitation Boards: •... -
Page 38: Federal Communications Commission (Fcc) And Ised Canada Compliance
Federal Communications Commission (FCC) and ISED Canada Compliance Statements FCC Compliance Statement Identification of products: NUCLEO-WBA65RI Contains FCC ID: YCP-MB213000 Part 15.19 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. -
Page 39: Ised Compliance Statement
Federal Communications Commission (FCC) and ISED Canada Compliance Statements ISED Compliance Statement Identification of products: NUCLEO-WBA65RI Contains IC: 8976A-MB213000 Identification du produit : NUCLEO-WBA65RI Contient sous-ensemble certifié IC : 8976A-MB213000 Compliance Statement Notice: This device complies with ISED Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. -
Page 40: Ukca Compliance Statement
UKCA Compliance Statement SIMPLIFIED UK DECLARATION OF CONFORMITY Hereby, the manufacturer STMicroelectronics, declares that the radio equipment type “NUCLEO-WBA65RI” is in compliance with the UK Radio Equipment Regulations 2017 (UK S.I. 2017 No. 1206). The full text of the UK Declaration of Conformity is available at the following internet address: www.st.com. -
Page 41: Red Compliance Statement
Hereby, STMicroelectronics declares that the radio equipment type "NUCLEO-WBA65RI" is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: www.st.com. Déclaration de conformité UE simplifiée STMicroelectronics déclare que l'équipement radioélectrique du type "NUCLEO-WBA65RI" est conforme à la directive 2014/53/UE. -
Page 42: Product Disposal
UM3448 Product disposal Product disposal Disposal of this product: WEEE (Waste Electrical and Electronic Equipment) (Applicable in Europe) This symbol on the product, accessories, or accompanying documents indicates that the product and its electronic accessories should not be disposed of with household waste at the end of their working life. -
Page 43: Revision History
UM3448 Revision history Table 17. Document revision history Date Revision Changes 28-Feb-2025 Initial release. UM3448 - Rev 1 page 43/48... -
Page 44: Table Of Contents
UM3448 Contents Contents Features................2 Ordering information . - Page 45 NUCLEO-WBA65RI product information........
-
Page 46: List Of Tables
ST morpho pinout ........ -
Page 47: List Of Figures
Figure 4. NUCLEO-WBA65RI PCB bottom view of mezzanine board (MB1801) ......10 Figure 5. - Page 48 ST’s terms and conditions of sale in place at the time of order acknowledgment. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of purchasers’...
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