STM32 MCUs Products

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SWV ITM Breaks Debugger

We have a new design using the STM32G474 and are having some weird issues with the SWV utility. Current setup:STM32Cube IDEST-Link V2-ISOL Debugger using SWCLK, SWDIO, and SWOSWD connection to micro with 33 ohm termination resistorsSWO was wired manu...

NSmit.9 by Associate II
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Resolved! STM32L496VG Using LPUART with LSE 32768 kHz with 9600 bd from Stop2 mode: No reliable evaluation of the first byte

I use Modbus RTU 8N1 with 9600 bd. I always have sent the same 8 byte request. The first byte of the message is 0x01.In about 85% of all tests the STM32 evaluates the request correctly. In a 15% of all tests the first byte is evaluated as 0x80 or 0x...

MKret.1 by Associate
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Resolved! Compiling with CIMSIS DSP LIBARY

I followed https://community.st.com/s/article/configuring-dsp-libraries-on-stm32cubeide to install.The linker is saying cannot find -larm_cortexM4lf_math.Hears is the project settings I followed https://community.st.com/s/article/configuring-dsp-libr...

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BFlin.1 by Associate II
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How is the STM32 required data hold time during read from QuadSPI flash guaranteed in the Discovery kit STM32L496G-DISCO?

We use STM32L496QGI6 with a 512Mb external flash connected to a QuadSPI interface.Principally like the Discovery kit STM32L496G-DISCO (with STM32L496AG MCU and 64Mb flash).We wonder how the STM32 required data hold time during read from flash can be ...

Timer Interrupt Code Doubt

Hello. I used to use the following code for starting a timer interrupt and used to set up the pre scalar and counter such a way I get the desired frequency but now this code is not working. My LED doesn't blink at all. I just wanted to check if the c...

STM32F103C8 SPI1 MOSI ISSIE

HiI try to run SPI 1 on STM32F103C8 but when i send data i have only SCK signal. MOSI(PB5) is in high state (dont change). SPI2 on PORTA works grate.void MX_SPI1_Init(void) {   /* USER CODE BEGIN SPI1_Init 0 */   /* USER CODE END SPI1_Init 0 */  ...

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MSkor.1 by Associate II
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