STMicroelectronics Customer Community

What's happening now

See the latest activity, browse open questions, and explore categories.

Recent activity
No best answer
Categories

nico23Senior III

STM32G0B0VET6 Out of stock and more than a year of lead time

I was wondering, despite the 10-year longevity commitment cited on the page of the STM32G0 microcontroller, the STM32G0B0VET6 has basically no more supply worldwide and lead time of more than a year.Is there a reason for that? Should I move to a more

1 hour ago

chrkarasAssociate III

STM32 MCUs Products

STM32H755 user button interrupt in both cores

Hello everyone, I would like to ask if it is possible (and if so, how) to make both m4 and m7 get an interrupt made by the user button in in the nucleo board, since the only Pin Context Assignment options on CubeMX is either m4 or m7. Do I have

2821

3 hours ago

SharifAssociate

STM32 MCUs Embedded software

STM32U535RET6 – IWDG EWI and Window Mode Clarification

Hello ST Community,I am working with the STM32U535RET6 and need clarification on the interaction between the IWDG Window feature and Early Wake-up Interrupt (EWI).I tested the following configurations:1. Window enabled, EWI disabledThe Window feature

772

7 hours ago

mechatronAssociate III

STM32 MCUs Products

G431 - Unable to program OB on MCU - first time flash

Among 20-odd PCBs populated with STM32G431CBUx controller, I am facing issue in programming one of them. All the others works fine, with no issues what so ever.The RDP is set to 0xFF, and the BOOT_LOCK bit was set. I searched through the community po

814

8 hours ago

BobWithBigNoseVisitor

STM32 MCUs Products

How to remap usart3 pins

hi,In STM32G070C, it seems there is no remap mechanism to select wich pin(PC5,or PC11) should be used for USART3_RX.if i configure PC5 and PC11 are USART3_RX all at once, simultaneously, what will happen?Best regards

121

9 hours ago

rockybalboa__Associate II

STM32CubeMX (MCUs)

CubeMX does not expose OCREF_CLR (Clear Input) for TIM16/TIM17 on STM32G4, although the silicon supports it

CubeMX Version 6.18.1 (tested with STM32G491VET6) shows no "Clear Input" parameter group for TIM16/TIM17, so the OCREF-clear feature cannot be configured from the tool.The hardware does support it, per RM0440 Rev 9:§31.4.17 "Clearing the tim_ocxref s

512

10 hours ago

paratoAssociate II

STM32 MCUs Security

AES-128-CTR using SAES through MCUboot is slower than software on STM32H533 — is this expected?

Hello,I am evaluating cryptographic performance for a secure boot using a NUCLEO-H533RE board and the OEMiRoT example from STM32CubeH5.I compared two AES-128-CTR implementations:Software: mbedtls_aes_crypt_ctr(). Hardware-backed: bootutil_aes_ctr_enc

100

11 hours ago

Maxime_BELAVALST Employee

STM32CubeProgrammer ported to Arm Linux: unlocks automated flashing

Engineering and validation teams building automated test infrastructure have a simple challenge. Automated flashing has traditionally meant relying on a general-purpose x86 PC to run the programming tool.But for a dedicated process that needs to run

361

17 hours ago

HaryVisitor

STM32 MCUs Products

What's the Correct Power Supply Scheme for STM32H725RGV6 VFQFPN68 Package

Hi Experts,I am facing an issue with my custom board based on the STM32H725RGV6. The VCAP voltage remains around 80 mV, preventing the MCU from starting.My intention is not to use the internal SMPS, and I would like to operate the controller in the 1

442

19 hours ago

saigsk10Associate

STM32 MCUs Boards and hardware tools

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

453

20 hours ago

nico23Senior III

STM32 MCUs Products

STM32G0B0VET6 Out of stock and more than a year of lead time

1 hour ago

chrkarasAssociate III

STM32 MCUs Products

STM32H755 user button interrupt in both cores

2821

3 hours ago

SharifAssociate

STM32 MCUs Embedded software

STM32U535RET6 – IWDG EWI and Window Mode Clarification

772

7 hours ago

mechatronAssociate III

STM32 MCUs Products

G431 - Unable to program OB on MCU - first time flash

814

8 hours ago

BobWithBigNoseVisitor

STM32 MCUs Products

How to remap usart3 pins

121

9 hours ago

paratoAssociate II

STM32 MCUs Security

AES-128-CTR using SAES through MCUboot is slower than software on STM32H533 — is this expected?

100

11 hours ago

HaryVisitor

STM32 MCUs Products

What's the Correct Power Supply Scheme for STM32H725RGV6 VFQFPN68 Package

442

19 hours ago

saigsk10Associate

STM32 MCUs Boards and hardware tools

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

453

20 hours ago

William133467Associate II

STM32 MCUs Boards and hardware tools

Clarification needed: in UM2408 (Section 7.12 Note 3) regarding Ethernet PHY SB13 on NUCLEO-H755ZI-Q (MB1363)

Hi ST Community & Support Team,I am working with the NUCLEO-H755ZI-Q (Board MB1363) and I noticed a potential typo in the User Manual UM2408 (Rev 6). 31/57In Section 7.12 - Ethernet, Note 3 states:"On MB1363 Rev.C: Ethernet PHY LAN8742A must be s

1905

21 hours ago

Anderson SantosAssociate

STM32 MCUs Embedded software

How to define safe and non-safe zone banks without using STMCubeProgrammer software

Hello everyone,I'm developing an application using the STM32H563 with TrustZone enabled. Online tutorials first show configuring the fuse bits using the STMCubeProgrammer software:TZENSECWM1_STRTSECWM1_ENDSECWM2_STRTSECWM2_ENDThen, the application is

853

22 hours ago