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STM32WL55CCUX – SubGHz RF BUSY and 32 MHz TCXO/VDDTCXO Not Starting

Dear ST Community,I am on the STM32WL55CCUX and am facing an issue with both the SubGHz radio initialization and the external 32 MHz TCXO/HSE32 clock.I have a working STM32WL55JC1 board for comparison. The same/general SubGHz software flow works corr

231

11 minutes ago

GenoVisitor II

STM32 MPUs Software development tools

script make_mp2_FIP.sh doesn't work while script sdk_compilation-stm32mp2.sh works

Hello,I’ve migrated from sdk V25.06.11 to sdk V26.06.10 to compile FIP, tfa, boot and kernel for STM32MP257F-DK board.While the scripts “make_mp2_FIP.sh” and “make_mp2_KERNEL.sh” were working properly with sdk V25.06.11, the script “make_mp2_FIP.sh”

221

19 minutes ago

saigsk10Visitor

STM32 MCUs Products

NUCLEO-H753ZI – ST-LINK Target Not Detected, U2 Heating

NUCLEO-H753ZI Board Recovery Case Description: STMicroelectronics ST-LINK GDB server. Version 7.11.0Copyright (c) 2025, STMicroelectronics. All rights reserved. Starting server with the following options:Persistent Mode : DisabledLogging Level : 1Li

30 minutes ago

amaljishnu7Associate

STM32 MCUs Boards and hardware tools

STM32F407G-DISC1 USART1 (PA9/PA10) UART Bootloader Flashing Issue

On the STM32F407G-DISC1, I try to flash the MCU through USART1 using PA9 (TX) and PA10 (RX) with STM32CubeProgrammer.BOOT0 is connected to 3.3V (HIGH), and BOOT1 is connected to GND (LOW). I have also disconnected the resistors and capacitors connect

223

37 minutes ago

Anthony_ModRetroVisitor

STM32 MCUs Embedded software

ADC Enable Required after Calibration, STM32C0

In RM0490 Rev 6, Reference Manual for the STM32C0, the ADC Software Calibration Process is specified as follows: Software calibration procedure1. Ensure that ADEN = 0, AUTOFF = 0, ADVREGEN = 1, and DMAEN = 0.2. Set ADCAL = 1.3. Wait until ADCAL = 0 (

221

1 hour ago

yashg25Associate II

GNSS positioning

ST87M01 NB-IoT module — no AT response after wake sequence, requesting wake/power-up timing confirmation

We're bringing up an ST87M01 module on a custom board and have not yet achieved a successful first AT command response. We've implemented what we believe is the correct wake/power sequence based on your EC-Lib reference source and a third-party open-

1 hour ago

ShockFrostArcherAssociate

STM32 MCUs Boards and hardware tools

Beginner, trying to select STM32 for school related project

GreetingsI am apprentice in electronics and for a school project I am trying to build a digital clock based on an STM32. I want to use an ST7735 based SPI display to show the time, because I am already familiar with the Adafruit GFX library (I did so

595

2 hours ago

Mars_and_beyondAssociate

Power management

STGAP3SXI UVLO and RDY signal

Hello, I’m using 6 of the STGAP3SXI as part of an IGBT 3 phase bridge driver. Each chip has its own 24V to isolated +15V and -9V switching supply (Meanwell GD2-241509) and the logic side is powered with a separate +5V supply. Everything runs normal e

562

3 hours ago

qwertymanAssociate II

Others: hardware and software

STHV1600L assembly origin

hi good day,may we seek your expertise regarding discrepancy on assembly origin in packaging vs country origin on top marking of the chip.is it correct to interpret that China is the country of diffusion(wafer) and Italy is the final assembly and tes

3 hours ago

GeminiVisitor

STM32 MCUs Embedded software

How do I switch SDMMC2 from 3.3V to 1.8V signaling on STM32N6570-DK ?

Hi,I'm working with an STM32N6570-DK and need the microSD slot (CN13, SDMMC2) to run at 1.8V signaling instead of the 3.3V default. The device I'm connecting only supports 1.8V, and the target speed is modest, around 25 MHz.What's the correct procedu

3 hours ago

dilipraj1709Associate

STM32 MCUs Wireless

STM32WL55CCUX – SubGHz RF BUSY and 32 MHz TCXO/VDDTCXO Not Starting

231

11 minutes ago

GenoVisitor II

STM32 MPUs Software development tools

script make_mp2_FIP.sh doesn't work while script sdk_compilation-stm32mp2.sh works

221

19 minutes ago

saigsk10Visitor

STM32 MCUs Products

NUCLEO-H753ZI – ST-LINK Target Not Detected, U2 Heating

30 minutes ago

amaljishnu7Associate

STM32 MCUs Boards and hardware tools

STM32F407G-DISC1 USART1 (PA9/PA10) UART Bootloader Flashing Issue

223

37 minutes ago

yashg25Associate II

GNSS positioning

ST87M01 NB-IoT module — no AT response after wake sequence, requesting wake/power-up timing confirmation

1 hour ago

ShockFrostArcherAssociate

STM32 MCUs Boards and hardware tools

Beginner, trying to select STM32 for school related project

595

2 hours ago

Mars_and_beyondAssociate

Power management

STGAP3SXI UVLO and RDY signal

562

3 hours ago

qwertymanAssociate II

Others: hardware and software

STHV1600L assembly origin

3 hours ago

GeminiVisitor

STM32 MCUs Embedded software

How do I switch SDMMC2 from 3.3V to 1.8V signaling on STM32N6570-DK ?

3 hours ago

John_MVisitor II

Automotive MCUs

SPC5studio issues.

Hi All,Ok new to SPCSudio and currently using version 6 - have big problems with components inparticular PAL.Basically all the tutorial talk about using PAL to flash an LED or toggle a GPIO pin.But version 6 appears not to support this!!!So far eve

6 hours ago