NUCLEO-WBA25CE1 "Bootloader limitation"
Hi, As per UM3610 « section 7.7 », a "Bootloader limitation" has been found in NUCLEO-WBA25CE1. Please refer to "Workaround" section if you are facing this limitation.
STM32 MCUs Wireless
Ask questions and discuss STM32 wireless solutions and their implementation for running Bluetooth LE, Zigbee, LoRaWAN applications.
Forum Posts
Matter software expansion for STM32Cube
Dear all, The X-CUBE-MATTER Expansion Package is now available on our official website following this link MATTER - Matter software expansion for STM32Cube - STMicroelectronics It is a reference implementation for the demonstration of Matter on ST...
Please go and visit our wiki pages to support your projects on our wireless product families.
Please go and visit our wiki pages where you can find a lot of information on our wireless product families (WB, WBA, WL) and the supported protocols: BLE, Zigbee, Thread, Matter, Lora, ... To begin your technical journey, please start from this top ...
NUCLEO WL55JC1 P2P(GW) Support and LoRaWAN Node Capacity
Hello,We are currently working with the NUCLEO-WL55JC1 board for LoRa communication and have a few technical queries. 1. STM32WL as Gateway / P2P ReceiverWe are planning to use two NUCLEO-WL55JC1 boards, where: One board will act as a LoRa end node ...
Resolved! BLE not starting on original STM32WB55
Hello,Recently, I’ve been asking several questions about STM32WB55 BLE behavior, and the respected @FilipKremen has provided me with great support.It turns out that all this time I was actually working with fake Chinese chips. I suspect that some of...
Blue NRG-2 Bringup
On a custom board, I would like to use the BlueNRG GUI (v.4.7.1) to run the tests described in AN4818 (rev.8) using the DTM firmware embedded in BlueNRG-1_2 DK 3.2.3.I got a connection and I am able to send basic commands, like ACI_TEST_TONE START an...
Resolved! RM0473 Typo
Hello ST Community team,About the Typo, on the Table 1 of the RM0473, we have a reserved region between SRAM1 and SRAM2a (from 0x2000 3000 and 0x2002 FFFF) the size of this region is 180 Kbytes and not 36 KBytes as mentioned on the Doc.please have a ...
Is the SubGHZ Radio only usable by CPU2 (Cortex M0+) in the STM32WL55JC?
I am configuring a dual-CPU project for the STM32WL55JC in CubeMX. This microcontroller has two CPUs: a Cortex M4 and a Cortex M0+. CubeMX lets users select the CPU that each peripheral is bound to. As illustrated in the image at the bottom of this p...
Resolved! Confusion about PA impedance specification of STM32WL31xx
Hi!If I look at the datasheet of STM32WL31xx, I find Table 34. PA impedance which tells e.g. an optimum load impedance of 32 Ω // 16 nH in line 5 (high power, 868MHz) This STM32WL31xx is (according to the datasheet) available in VFQFPN32 and VFQFPN48...
LoRaWAN End Node DualCore on Linux
Hello, I'm having troubles building the two projects of the STM32 Nucleo WL55JC1 belonging to the LoRaWAN End Node DualCore Example under Linux (Ubuntu 24.04). It works on Windows 11, though.Until now I have all projects developed on Linux, this is m...
Clarification on HSE Load Capacitance formula in AN5646 (STM32WL55) with Series Capacitor
Hello ST Community,I am currently designing a board based on the STM32WL55 and I am aiming to optimize the BOM by utilizing the MCU's internal programmable high-speed capacitors, avoiding external load capacitors for the 32 MHz HSE.I am referencing A...
Resolved! STM32WL5MOC LSE 32kHz accuracy
Hi, In the STM32WL5MOC datasheet I can find the 32MHz TXCO HSE accurancy, but not the LSE 32kHz RTC clock accuracy. Could someone look into this and provide the min/max values similar to TXCO characteristics in Table 10? Best Regards,Dave
STM32WL55JC1 – Sigfox_PushButton example fails in E2P_Init()
Hello ST Community, I am working with the NUCLEO-WL55JC1 and the official Sigfox_PushButton example. When running the application, the firmware consistently fails during EEPROM emulation initialization. The execution enters E2P_Init() and stops very ...
