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Are the pin configurations for TSV321RAILT and TSV321RILT exactly the same?I'm having trouble finding this information in the datasheet.

We have successfully tested the  ST67W6X Network Driver CLI example on a NUCLEO-U575ZI-Q with X-NUCLEO-67W61M1 development boards.We would like to port the example to an STM32F746.However, this is not simple due to the tight timing constraints required by the ST67W6x - e.g. the examples utilise the advanced SPI DMA available in the STM32U5xx family.Searching the internet shows other developers noticing dropped data on other processors. There are also reports that the following requirements must be met:Respond within ~30us of SPI_RDY going highNo breaks of more than ~2-3us in the DMA while streaming the SPI data.Do you have an example port for the STM32F746? Or at least on a processor with similar limited DMA capabilities? 

I am working with the STM32N6-GettingStarted-ObjectDetection demo.  I found that doing a full chip erase wipes some bootloader code.  I was able to get my project going again by flashing the .hex file that came with the STM32N6-GettingStarted-ObjectDetection demo, the loading my code. Digging around on the net suggested that the prebuilt demo has a bootloader.  I have been unable to locate the bootloader.Can you provide me with the bootloader, preferably as a .hex file?

I have connected X-STM32MP-GNSS1 with my STM32MP157F-DK2 board. I have connected it directly to serial COM port on windows to use Teseo-suit. I updated the firmware for TESEO-LIV3FL to STA8090_4_6_15_1_CP_LIV3FL_UPG48 by using Teseo-suit. I still can not see my correct position on map. Can anybody please help? 

Hi ST Community,I am working on a project using the SensorTile.box Pro. My goal is to implement a highly accurate step counter using the LSM6DSV16X's embedded pedometer.What I have done:I recorded data patterns at 30Hz and successfully ran the Pedometer Regression Tool in MEMS Studio.The tool generated the optimum configuration files (pedometer.json ).I converted these register settings into a .ucf file format.The Problem: I need to apply these "Golden Settings" to the sensor initialization in AlgoBuilder so they persist after a reset. However, I am unable to find a standard method to load this configuration:I checked the Sensor Hub block properties, but I do not see a "Load Configuration/UCF" option.I searched the Library for a "Register Write" block to manually input the values, but this block seems missing or hidden in my version of AlgoBuilder (I only see Acceleration, FSM/MLC, Sensor Hub, etc. under the Sensor Hub folder).My Question: What is the correct way to inject a custom reg

Hi, I am using STM32U385CGU6 with 1.8V supply. My GSM peripheral using the 3.3V Uart port for a dedicated time (2sec) then turn back to 1.8V level of UART.  Could you offer 3.3V tolerant pin? I am using PA8 to communicate with GSM module. thank you & best regards, feramuz karşil 

Heyho,using L073 at 32MHz, so even I2C transfers "seem" fast, at least in "fast mode plus" at SCL 1 MHz. And I don't want to over-use clock stretching.I'm looking for a way to use I2C slave receive with DMA, but an unknown transfer length.Right now it looks to me as if I could do the following:I2C & DMA prep: all stuff & addresses set, DMA in I2C enabledon I2C ADDR match interrupt:set DMA CNDTR to max buffer lengthenable DMA on I2C STOP match interrupt:disable DMAAny problems with that?Have only 1 device for now...Thanks!

I've built at least a dozen boards using the same communication interface -- a custom debug monitor for communication through stlink -- all on stm32l42x processors. The debug monitor looks roughly like the following code. Although the macros are for ChibiOS, their purpose should be clear.Basically, the host software, after attaching to the debug interface, communicates by passing small commands through DCRDR and getting 32 bit results (which may be memory addresses) in DCRDR.  The DEMCR is used for triggering the monitor interrupt and the MON_REQ bit is used as a semaphore.  This has worked great until now.  I received prototypes of a new design.  Reading/writing of DCRDR works fine, but writes to DEMCR have no effect.  I can debug the code on the board with gdb, and I can write test code that triggers the monitor interface running on the board and even stop in the monitor with a breakpoint, but I don't seem to be able to write a value to DEMCR through stl

Dear All, Could you please share us a technical document to show us what was the exat meaning of "N" letter of your part BAT54CNFILM-H/J ? Actually we ordered 6K pcs of your part BAT54CFILM from Digikey and its Digikey part number is 497-3786-2-ND but received this part as its part number was written as BAT54CNFILM-H/J on the manufacturer label of this part and our customer needs to learn what is the meaning of "N" letter on this part number. So please provide us a document to explain this "N" letter as this informations is not available neither in digikey nor in its datasheet

Hi,I have few custom boards with STM32MP257 mostly running PTP related tasks. Once in a while (once in a few days of continuous run) I have noticed the following error in the dmesg (as it seems UART related - I have 4 UARTs enabled in the DT, while 3 of them have DMA enabled (the console one does not have the DMA enabled), but only one UART (other than console) is being used in the system for RX only):[251158.390476] Unable to handle kernel paging request at virtual address dead000000000108[251158.392934] Mem abort info:[251158.395854] ESR = 0x0000000096000044[251158.399679] EC = 0x25: DABT (current EL), IL = 32 bits[251158.405114] SET = 0, FnV = 0[251158.408235] EA = 0, S1PTW = 0[251158.411457] FSC = 0x04: level 0 translation fault[251158.416489] Data abort info:[251158.419408] ISV = 0, ISS = 0x00000044, ISS2 = 0x00000000[251158.425041] CM = 0, WnR = 1, TnD = 0, TagAccess = 0[251158.430173] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0[251158.435607] [dead000000000108] address between us

HelloI am currently developing an AC switch for a heating boiler in a coffee machine.The boiler has a power rating of approx. 1200W.  To control the boiler, I have opted for a triac circuit (T1250H-6I) with an optotriac (14230634300) and ZCC. I used Application Note AN5114 to size the resistors. The description is generally excellent. However, I have a question regarding the voltage ripple on the triac. The note recommends a value of 4V. I cannot achieve this value with the standard resistor values available. My calculations give a voltage ripple of approx. 25V. Is that too much? Or what can I do to get down to the recommended value of 4V, triac with lower Igt?Best regardsJohn 

Hi All,I’m working on a project using an 8-bit microcontroller connected to an ST25DVXXKC NFC chip over I²C. The standard NFC features are working correctly, and the code is already in production.Now I’m trying to implement Fast Transfer Mode (FTM) for OTA updates and bidirectional data transfer between the microcontroller and the NFC reader.I’m currently using ST’s ST25FTM library and the ST25DV64KC-DISCO Kit v2.2.1 package, but I’m confused by the available examples and documentation, which seem limited and unclear regarding how to properly port and use the library.In the v2.2.1 package, there is a Demonstrations folder containing two projects:ST25DVDemoUses ftm_demo.cCalls functions from the ST25FTM library & uses callback functionsST25DVDemo_FwUpgdUses mailbox.c and mailboxfunc.cAppears to implement Fast Transfer Mode using a single function FTMManagement(void)From my understanding:The first project is more library-driven (ST25FTM-based).The second project seems to implement FT

Hi!I have a STM32103 processor and I wonder if something bad can occurs if I use an external oscillator to OSC_IN and leave the OSC,_OUT floating. With a ceramic crystal HSE configuration in CubeMX.I know that the BYPASS clock source is the best HSE configuration for an external source (as I have) because then the OCS_OUT is not oscilating. But for me, it won't make any difference because my OSC_OUT is floating and not connected to anything. Or will this break after few years of running?I know that my OSC_OUT have the same oscillations as OSC_IN due to the "wrong" configuration. 

Hello everyone, I am working on a design using STM32F401RE and need to interface a barcode scanner that works over a standard 5 V USB interface. The barcode scanner behaves like a typical USB device (likely HID/CDC) and expects: USB host on the other end 5 V VBUS supply it also has RS232 interfacing option aswell. However, as per STM32F401RE documentation, it supports only VBUS voltage max 3.6V. I would like guidance on: Whether it is technically possible to interface a 5 V USB barcode scanner directly with STM32F401RE. If not, what practical alternatives are recommended. The goal is to reliably read barcode data into the MCU in an embedded system (no PC involved). Thanks in advance for your support.

I want to add NFC functionality to an existing product. Because the PCB is made of aluminium, I can't use a PCB antenna.On the enclosure of the product, there is a small PCB with 2 pushbuttons and some leds. My idea is to place the PCB antenna on this small PCB.But because of space restrictions, I can't add positions to the existing connector.My idea is to connect the antenna in parallel to the pushbuttons (see attached drawing). The GPIOs of the uP are inputs. I'm aware that the NFC does not work if a pushbutton is being pressed.My questions are: Do you think this can work? Can the ST25DV04 take damage, if an antenna connection is shortet to GND? Can the 1K resistors remain in the circuit or do I need to replace them with 0R resisorts?

Hi Team,I am working on a custom board with STSPIN32F0601S3, after generating code using MCSDK Version 6.3.0 with cube Mx 6.10.0, I tried to connect Motor pilot just start/stop and change RPM but it did not connect, Pls confirm which steps I am missingBelow are the steps I followed but still it did not connect 1.Uploaded and RUN code (using cube ide)2. RESET board3. Opened workbench and selected Motor Pilot but it leads to default App Mode (pls refer screenshot) not detecting firmware although code is in run mode and not able to use Motor pilot which was along with MCSDK Pack 6.3.0  

Dear ST Support, I am using the STM32WB55 series and have encountered an issue where the Flash erase operation gets stuck when BLE scanning is active. Specifically, the Flash erase call (SHCI_C2_FLASH_EraseActivity(ERASE_ACTIVITY_ON)) does not proceed as long as the BLE scan procedure is running, even if the scan interval and window are configured with minimal values (e.g., SCAN_P = 0x320 and SCAN_L = 0x10). It seems that as long as BLE scanning is ongoing, the Flash operation remains blocked. From my understanding, the BLE stack on the M0 core occupies some resources during the scan procedure, and Flash operations are blocked until all BLE activities are terminated. This behavior persists even when BLE is only actively scanning for a small portion of the interval. Could you please clarify: Is it expected that Flash erase/write operations cannot be performed during any ongoing BLE activity, regardless of scan interval/window settings? Is there a recommended method to sa

Hi there, We are troubleshooting an issue with our module where the GPGGA return shows no satellites detected. We have verified our circuitry according to the hardware instructions document on ST's website - https://www.st.com/resource/en/user_manual/um2832-teseovic3d-and-teseovic3da-hardware-instructions-stmicroelectronics.pdfWe are currently using a similar antenna that came with the GNSS dev kit. We know that there are satellites that can be picked up as the dev kit operates fines. If anyone has any troubleshooting recommendations, sharing them would be greatly appreciated.The datasheet doesnt have explicit bring-up guidelines. As a result, i have only configured the PSTMINITGPS field, and nothing else. Are there other fields required to be configured out of the box? Also, our ANT_OFF pin is currently floating. I have measured 3.3V on the antenna itself though. 

Hello STM Community,I am a beginner working with the STM32H7B3I-EVAL evaluation board based on the STM32H7B3LIH6Q MCU, and I am currently setting up my development environment on Ubuntu 24.04.3 LTS.I installed STM32CubeIDE 1.18.0 using the following installer:st-stm32cubeide_1.18.0_24413_20250227_1633_amd64.sh.zipI am facing a few issues and would really appreciate your guidance.1. Need existing demo codes for STM32H7B3I-EVALI would like to get the existing/demo example codes available for this board, especially the examples related to the firmware version currently flashed on my board, which shows:Firmware Version: V1.0.1Could anyone please guide me on where to find the exact demo code corresponding to the factory-flashed board behavior, if available?I am specifically looking for separate demo examples for:LEDADCGPIOUARTSPII2CTFT/LCDTouchCameraWi-Fiother onboard peripheralsI am using Linux Ubuntu 24.04.3 LTS, so Linux-compatible steps would be very helpful.At the moment, I mainly need

We have a custom stldr file that we generate to program external flash on our board with STM32U599VJ MCU, we use STM32 CUBE IDE with Jlink. How do I point the IDE to use my stldr file when loading code to onchip and external flash? The option to point to an external loader stldr appears on my if the debug configuration is chosen with STLink, not for Jlink.  ThanksSansh 

Hello, What HAL2 API can I use to turn on/off the output of a timer? In HAL (ver 1) this could have been done like this:TIMx->CCER &= ~TIM_CCER_CC1E; // Example for Channel 1: ~TIM_CCER_CC1E // or __HAL_TIM_MOE_DISABLE(&htimx); Thank you,-Gil

Hello.I am trying to implement RFID using NXP's NT3H2211W0FT1. The microcontroller I am using is the STM32C031F6.After powering on the board, the first thing I do is read the data from the NT3H2211W0FT1 via I2C, but sometimes I can read it and sometimes I can't.I tried leaving a wait of more than one second after powering it on, but that didn't change the situation.The program for the I2C part is below.while(icdata_flg==0){ HAL_GPIO_WritePin(GPIOA, ANNTENA_SW_Pin,GPIO_PIN_SET); HAL_Delay(10); tdata[0]=0x01;//Read HAL_I2C_Master_Transmit(&hi2c1,0xaa,tdata,1,100); HAL_Delay(10); HAL_I2C_Master_Receive(&hi2c1,0xab,rdata,8,100); HAL_Delay(10); HAL_GPIO_WritePin(GPIOA, ANNTENA_SW_Pin,GPIO_PIN_RESET); } I would appreciate any advice you could give me regarding I2C communication.

Dear all, I have an arm Ubuntu system and would like to use the st32programmer. Unfortunately, ST provide only this code for Intel Linux machine Any chance to have this tool ready for arm Ubuntu machines? Kind regards, Edo  

Hello,I am working with an STM32F407VGT on the Discovery board using bxCAN.I can communicate successfully at 125 kbps, but when I switch to 250 kbps or 500 kbps, communication completely fails:No messages are transmitted or receivedPCAN shows Bus Heavy / error framesSetup:MCU: STM32F407VGTCAN interface: bxCANTransceiver: PCA82C251Tool: PCAN-USBTermination: 2 x 120Ω (verified ~60Ω between CANH and CANL)Cabling: short wires, common GND connectedObservations:125 kbps works reliablyAt 250 kbps and 500 kbps:No TX/RX activityPCAN reports Bus HeavySame wiring and hardware used for all speedsAdditional checks:Filters configured to accept all messagesCAN1 clock enabledGPIO configured as AF9, very high speedTested with single node + PCANQuestion:What could cause CAN to work at 125 kbps but completely fail at higher bitrates on STM32F407?Any suggestions or known hardware limitations on the Discovery board?Thank you.

Hello, I have 2 boards an STM32F407 disco and an STM3F746DISCO and i want to create a project that implements an external LCD screen to the board however when the project runned well with the F746 the screen didnt work with the F407 any guidelines?