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®
Wi‑Fi
Introduction
The
X-NUCLEO-67W61M1
prototypes with the ST67W series
Interfacing with the host is possible through SPI via the ARDUINO
stackable on Nucleo-64, Nucleo-144, and Discovery boards. The main hosts are the STM32U5, STM32H5, STM32H7, and
STM32N6 product families.
Powered by all-in-one 2.4 GHz Wi‑Fi
the processing capabilities, Wi‑Fi
For more details on the ST67W611M1 coprocessor module, refer to its datasheet at www.st.com.
Figure 1.
X-NUCLEO-67W61M1 top view
Pictures are not contractual.
UM3449 - Rev 1 - June 2025
For further information, contact your local STMicroelectronics sales office.
®
/Bluetooth
/802.15.4 connectivity expansion board based on the
ST67W611M1 module for STM32 Nucleo boards
expansion board provides an affordable and flexible way for users to try out new concepts and build
ST67W611M1
coprocessor module.
®
®
6/Bluetooth
combo SoC, the ST67W611M1 LGA module is purposely designed to pack
®
®
/Bluetooth
combo connectivity, and on-module memory into a single 32-pin LGA form factor.
®
Uno V3 or expansion connectors. This expansion board is
Figure 2.
X-NUCLEO-67W61M1 bottom view
UM3449
User manual
www.st.com
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Summary of Contents for ST X-NUCLEO-67W61M1
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Page 1: Figure 1. X-Nucleo-67W61M1 Top View
® the processing capabilities, Wi‑Fi /Bluetooth combo connectivity, and on-module memory into a single 32-pin LGA form factor. For more details on the ST67W611M1 coprocessor module, refer to its datasheet at www.st.com. Figure 1. X-NUCLEO-67W61M1 top view Figure 2. X-NUCLEO-67W61M1 bottom view Pictures are not contractual. -
Page 2: Features
UM3449 Features Features • ST67W611M1 module, 32‑pin, 4‑side LGA 1.27‑mm pitch (12.28 x 17.28 x 2.2 mm) package featuring: ® ® – 2.4 GHz Wi‑Fi /Bluetooth combo all‑in‑one SoC ® – Wi‑Fi 6, coprocessor IEEE 802.11 b/g/n/ax – Single-band 2.4 GHz ®... -
Page 3: Ordering Information
Ordering information Ordering information To order the X-NUCLEO-67W61M1 expansion board, refer to Table 1. Additional information is available from the datasheet and reference manual of the ST67W611M1 module at www.st.com. Table 1. Ordering information Order code Board reference Target ST67... -
Page 4: Development Environment
UM3449 Development environment Development environment EDA resources All board design resources, including schematics, EDA databases, manufacturing files, and the bill of materials, are available from the X-NUCLEO-67W61M1 product page at www.st.com. UM3449 - Rev 1 page 4/39... -
Page 5: Conventions
UM3449 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
UM3449 Safety recommendations Safety recommendations Targeted audience This product targets users with at least basic electronics or embedded software development knowledge like 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 as with all products of this type, the user must be careful about the following points:... -
Page 7: Quick Start
1. Check jumper positions on board, JP1 (IDD_RF) ON, JP2 (IDD_IO) ON, JP3 (internal) OFF. The default jumper position on the board is explained in Table 2. Connect the X-NUCLEO-67W61M1 board to a host (such as a NUCLEO-U575ZI board) through the ® ARDUINO connector. -
Page 8: Hardware Layout And Configuration
ARDUINO Uno and GPIO expansion connectors. Figure 4 Figure 5 show the location of these features on the X-NUCLEO-67W61M1 expansion board. The mechanical dimensions of the board are shown in Figure Figure 3. X-NUCLEO-67W61M1 hardware block diagram USB (not fitted) -
Page 9: Pcb Layout
UM3449 Hardware layout and configuration PCB layout Figure 4. X-NUCLEO-67W61M1 top layout GND connector (CN2) ® ARDUINO connector (CN5) I_RF jumper (JP2) I_IO jumper (JP1) VBAT connector (CN3) User button (SW1) ® ARDUINO connector (CN6) PWR green LED (LD2) Product sticker... -
Page 10: Mechanical Drawing
UM3449 Hardware layout and configuration Mechanical drawing Figure 6. X-NUCLEO-67W61M1 board mechanical drawing (in millimeters) UM3449 - Rev 1 page 10/39... -
Page 11: Board Setup
Figure 7. ST67W611M1A6B host interaction Power supply ST67W611M1A6B Host MCU ST module CHIP_EN, BOOT 7.3.1 Main host boards and associated connectors Different connectors might be used to interface X-NUCLEO with the host board. In global cases, interfacing X-NUCLEO and STM32 boards is performed through: ®... -
Page 12: Power Supply
Hardware layout and configuration Power supply The X-NUCLEO-67W61M1 expansion board offers various power supply configurations, depending on the used host board. In addition, the ST67W611M1A6B module has two power domains (VDD33 and VDDIO). The X- NUCLEO-67W61M1 board embeds 3.3 and 1.8 V LDO regulators. The user chooses the configuration by setting different solder bridges. -
Page 13: Board Power Supply
UM3449 Hardware layout and configuration 7.4.1 Board power supply Different sources can provide the power supply: ® • Supply 3V3 from the host through the ARDUINO connector ® • Supply 5V from the host through the ARDUINO connector (default setting) •... -
Page 14: St67W611M1A6B Module Power Domains
UM3449 Hardware layout and configuration 7.4.2 ST67W611M1A6B module power domains The ST67W611M1A6B module has two supply domains: VDD_IO for I/Os and VDD33 for the radio processor unit (RPU). Those two domains can be powered in different ways, 3.3 V, 1.8 V, or directly from the battery connector (CN3), depending on the targeted application. -
Page 15: Power Supply Solder Bridge Locations On X-Nucleo
UM3449 Hardware layout and configuration 7.4.3 Power supply solder bridge locations on X-NUCLEO Figure 9 gives the location of the power supply solder bridges on the board. The concerned solder bridges are ® located in three areas: GPIO selection near the CN10 connector, ARDUINO selection near the bottom of CN6, VBAT, and power domain selection around LDOs (U6 and U7). -
Page 16: Clock Sources
UM3449 Hardware layout and configuration Clock sources 7.5.1 High-speed clock The 40 MHz clock high precision quartz for best RF performances is on the ST67W611M1A6B module. 7.5.2 Low-speed clock (low-speed external clock) To get the low-power mode feature with the ST67W611M1A6B module, the host must provide a 32 KHz frequency clock to the ST67W611M1A6B module. -
Page 17: Current Consumption Measurement
When the current measurement is not needed, JP1 and JP2 are not mounted. SB9 and SB10 must be ON to bypass the current measurement feature. USART and Virtual COM port usage The ST67W611M1A6B module USART is addressed on different connectors of the X-NUCLEO-67W61M1 board: ® •... -
Page 18: Solder Bridges
7.10 Solder bridges Fifty-six solder bridges are located on the X-NUCLEO-67W61M1 board. All the solder bridges present in the board are used to configure several I/Os and power supply pins for feature and pinout compatibility with the host. Table 9. - Page 19 UM3449 Hardware layout and configuration Solder bridge control Solder bridge State Description UART_RXD signal connected to theGPIO expansion connector (CN10) SB29 UART interface UART_RXD signal not connected to CN10 connected to the GPIO UART_TXD signal connected to the GPIO expansion connector expansion connector (CN10) SB36...
- Page 20 UM3449 Hardware layout and configuration Solder bridge control Solder bridge State Description SB to short circuit JP2 JP2 is open (I_RF current measurement is possible at JP2) JP1 is shorted (no I_IO current measurement is possible) SB to short circuit JP1 SB15 JP2 is open (I_IO current measurement is possible at JP1) 3V3 voltage connected to JP2...
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Page 21: Board Connectors
UM3449 Board connectors Board connectors The four different board connectors and their pinouts are detailed in this section. MB2230 2‑pin VBAT connector (CN3) The CN3 connector is a standard 2‑pin VBAT connector (2.54‑mm pitch). The X-NUCLEO board can be powered from the VBAT connector (CN3) by either: •... -
Page 22: Arduino ® Uno V3 Connector
UM3449 Board connectors ® ARDUINO Uno V3 connector ® CN5, CN6, CN8, and CN9 are bottom-male, top-female connectors compatible with the ARDUINO standard. These connectors can be used for SPI data exchange with the host, power supply, USART, LED, button, and GPIO control. -
Page 23: Table 12. Arduino ® Connector Pinout
UM3449 Board connectors ® The pinout for the ARDUINO connector is listed in Table ® Table 12. ARDUINO connector pinout ST67W611M1A6B Connector Pin number Pin name Signal name Function module pin IOREF I/O reference NRST T_NRST NRST RESET 3.3 V input 5 V output VIN to host Board GPIO10... -
Page 24: Raspberry Pi ® Gpio Header
UM3449 Board connectors ® Raspberry Pi GPIO header ® CN10 is a female bottom, male top standard expansion connector, compatible with the Raspberry Pi GPIO header. It transmits SPI, USART, power supply, and control signals. It is intended to interface X‑NUCLEO with STM32MPxx DK1 or any other boards with an expansion connector. -
Page 25: Rf Connector
UM3449 Board connectors Table 13. Expansion connector (CN10) pinout GPIO Signal Signal UART_RXD UART_TXD GPIO0 SPI1_MOSI SPI1_MISO SPI1_CLK SPI1_NSS GPIO2/BOOT_SEL GPIO3 CHIP_EN GPIO16 GPIO1 GPIO17 GPIO20 RF connector ® ® The ST67W611M1A6B module includes the Wi‑Fi /Bluetooth /802.15.4 transceiver, the complete front-end structure, a PCB antenna (12.28 x 17.28 x 2.2 mm, 1.27‑mm pitch, 32‑pin, 4‑side LGA (4‑layer PCB)). -
Page 26: St67W611M1A6B Module I/O Assignment
UM3449 ST67W611M1A6B module I/O assignment ST67W611M1A6B module I/O assignment Table 14. ST67W611M1A6B module I/O assignment ® Module name Pin name Power domain Main/optional feature ARDUINO JTMS GPIO0 VDDIO1 ARD_D8 Button/T_JTMS JTCK GPIO1 VDDIO1 ARD_D7 T_JTCK BOOT GPIO2/BOOT_SEL VDDIO1 ARD_D6 BOOT/T_JTDO JTDI GPIO3 VDDIO1... -
Page 27: X-Nucleo-67W61M1 Product Information
UM3449 X-NUCLEO-67W61M1 product information X-NUCLEO-67W61M1 product information 10.1 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 28: X-Nucleo-67W61M1 Product History
UM3449 X-NUCLEO-67W61M1 product information 10.2 X-NUCLEO-67W61M1 product history Table 15. Product history Order Product Product details Product change description Product limitations code identification MCU: • ST67W611M1A6B MCU errata sheet: The current module revision is at XN67W61M1$CZ1 Initial revision 100 µA power consumption in •... -
Page 29: Federal Communications Commission (Fcc) And Ised Canada Compliance
Federal Communications Commission (FCC) and ISED Canada Compliance Statements 11.1 FCC Compliance Statement Identification of products: X-NUCLEO-67W61M1 Contains an STMicroelectronics transmitter module, model ST67W611M1A6B. FCC ID: YCP-67W611M1A01 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 30: Ised Compliance Statement
ISED Compliance Statement Identification of products: X-NUCLEO-67W61M1 Contains an STMicroelectronics transmitter module, model ST67W611M1A6B. IC: 8976A-67W611M1A01 Identification du produit : X-NUCLEO-67W61M1 Contient le module émetteur de STMicroelectronics, modèle ST67W611M1A6B. IC : 8976A-W611M1A01 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 31: Ukca Compliance Statement
UKCA Compliance Statement SIMPLIFIED UK DECLARATION OF CONFORMITY Hereby, the manufacturer STMicroelectronics, declares that the radio equipment type “X-NUCLEO-67W61M1” 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 32: Red Compliance Statement
RED Compliance Statement Simplified EU declaration of conformity Hereby, STMicroelectronics declares that the radio equipment type "X-NUCLEO-67W61M1" is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available on demand at the following internet address: www.st.com. -
Page 33: Product Disposal
UM3449 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 34: Revision History
UM3449 Revision history Table 17. Document revision history Date Revision Changes 02-Jun-2025 Initial release. UM3449 - Rev 1 page 34/39... -
Page 35: Table Of Contents
UM3449 Contents Contents Features................2 Ordering information . - Page 36 X-NUCLEO-67W61M1 product information ........
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Page 37: List Of Tables
UM3449 List of tables List of tables Table 1. Ordering information..............3 Table 2. -
Page 38: List Of Figures
Figure 6. X-NUCLEO-67W61M1 board mechanical drawing (in millimeters) ....... . 10 Figure 7. - Page 39 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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