STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...


STM32H743 SAI DMA noise

Hello,I took over working code that I have for a DSP project from an STM32F439 to an STM32H743. On the F4 I had the external audio codec connected to the I2S peripheral but switched over to the SAI on the H7. Now I am experiencing excessive noise whe...

Screenshot 2023-09-05 165736.png Screenshot 2023-09-05 170054.png Screenshot 2023-09-05 191001.png Screenshot 2023-09-05 191015.png
JP_ama by Associate III
  • 1 replies
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STM32 SPI with CC1125 (TI)

The CC1125 is a TI sub-GHz transceiver: User's Guide - - says that, after asserting CS, the SPI Master must wait for the CC1125 to pull MISO low before starting the transfer:I th...


Resolved! what is H5 IDAU configuration ?

I could not find yet a specific information regarding IDAU configuration of H5. Is it same as U5 as described in AN5347 ?Edit: I think it is the one in the reference manual (RM0481), I realized colors (Figure 2) indicate the IDAU mapping.

mete by Senior
  • 1 replies
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STM32G474RE Startup Issue

Hi everyone,I have a hardware problem with STM32G474RE on startup. If I try to supply this MCU directly from the lab power supply, it runs correctly, but when I have dips or drops or fast switching on the supply, I notice that the MCU doesn't start. ...

DKlew.1 by Associate
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Echo cancellation on STM32F769I-DISCO

Hi, I need to perform a noise reduction and echo cancellation on an audio signal coming from an analog microphone and going out on a loudspeaker in order to make VOIP between 2 boards. I have an STM32F769I-DISCO board containing an STM32F769, a WM899...

PascalB by Associate
  • 1 replies
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OV5640 Issue in JPEG mode

Hi,I try to use your OV5640 board with your OV5640 driver in STM32H747 BSP in JPEG mode.The problem is that the FPS drop to 1 or 2 even at low resolution QVGA.Can you show me what registers needed to be modified to make it work correct since your dri...

MSale.1 by Senior
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STM32U575: pullup needed on NRST pin?

We have designed, build and assemble a board with a STM32U575OGY6QTR. The first tests went well with the ST-LINK/V2 programmer connected to the board (driving the NRST). Now we have removed the programmer, and under some circumstances the MCU does no...

tcachat by Associate
  • 1 replies
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Resolved! FIR-filter for STM32F4 and several frequency bands?

Hi,there are a lot of examples and tutorials available that describe how to use a FIR-filter (via function arm_fir_f32()). Unfortunately all these examples are either simple low-, high-, or bandpass-filters. Now what I'm looking for, is a possibility...

BSchm.6 by Associate III
  • 4 replies
  • 1 kudos