STM32 MCUs Products

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STM32L4R in WLCSP package

STM32L4R5/7/9 data sheet has WLCSP144 package as an option, but this option is not available on Product Selector page. WLCSP part can't be found on any distributor site either. Does anybody know, if this MCU-package combination exists?

Zaro by Associate
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  • 1 replies
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STM32U585 - SDIO emmc

Hello,While using HAL_MMC_WriteBlocks API getting TXUNDERR error, please suggest to resolve this issue. Below is the code for reference.Mode: 8bitClock configuration :  void Write_SDMMC1(void) {uint8_t sample_buffer[512] = { 11, 1, 2, 3, 4, 5, 6, 7, ...

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Surya S by Associate II
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getting abnormal waveform MPN :STM32F765VGT6

Hi expert,  The MCU is given abnormal waveform when stepper motor is run. Found abnormal output waveform of the output signal of board. What will be the possible root cause for this particular failure?attached Image for your reference and pls support...

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Resolved! Why have STM32C0 workshop materials not been emailed as promised?

On Tuesday, June 27, 2023, I attended the "STM32C0: Your next generation 8-bit MCU is a 32-bit" workshop where we were told we would be sent the slides and a voucher to order the STM32C0 nucleo board for free, but I have not yet received any email co...

Rturo by Associate II
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  • 4 replies
  • 3 kudos

RTC not runnning on G0 Platforms

Hi, I've tried to test the RTC Peripheral on Nucleo-G071 and on Nucleo-G031 boards.RTC seems to be stopped.Can anyone please help in finding the bug? (I've Attached the 2 MX Projects and 2 Main.c)Thanks,Alfonso

ADesi.3 by Associate II
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  • 2 replies
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Two UART interfaces via DMA fail in DEBUG mode

HiI have a custom board with STM32U575. It has two UART interfaces:- UART1: Terminal interface (routed to the ST-Link header)- UART3: Communication with additional MCU on the boardAs the system is very busy, I implemented both UART to receive their d...

STM32F103 RTC Register problem

Hi. I have a problem with the RTC on STM32F103C6T6A. I wanted to add the ability to set the time. I would like to have a 24h clock. When CNTL overflows, CNTH does not increase making the clock reset close to 18h. void RTC_IRQHandler(void){ while ((RT...

How to understand that the data is transferred through DMA?

Enabled DMA in CubeMX settings to transfer data via UART.But I don't see any difference at all between non-DMA functions and DMA functions.I don't think it's important, but I use this code:Transferring characters from the COM port to the STM32 and re...

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MMust.5 by Senior II
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