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...


Chinese STM32F407VET6 Fakes?

I've got a few of the Aliexpress Chinese STM32F407VET6 development boards that arrived recently. I became suspicious when the content of 0x1FFF7A22 is reported as 0xffff, when it should be the flash size in KB. The MCU chip itself reads:STM32f407VE...

Resolved! Handling of more than 15 EXTI lines

Hi there,I just wondered if any of you would have an idea about my current problem, or faced similar challenges:For a new project I would need about 20 configurable EXTI lines, which exceeds the number of any STM32 MCU as far as we know. How could we...

Issues about STM32H723 Timer1 PWM Generation

I have a problem with Timer1 PWM generation.We need to generate three pairs complementary PWM signals. The compare value can be modified at counter overflow and underflow event, as below shows.It seems the PWM center-aligned mode can’t meet the requi...

pliao.1 by Associate II
  • 6 replies
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48 kHz 32 bit sampling on STM32F769DI

I've used pizza and beer's code ( for a 48 kHz in out CODEC routine on a STM32F769DI board successfully. My issue is that the incoming data in memory needs shifting before I can convert it to a floa...

IWhit.2 by Associate II
  • 1 replies
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Resolved! RTC external quartz drive level impact

Hi,I have questions about drive level impact on RTC configuration.I'm using a STM32U575, with a 32kHz quartz as LSE for my RTC.Transconductance of my quartz is 1,5µA/V, and drive level is 1.0µW max.I'm using medium high for my drive level, according ...

I2.1 by Associate II
  • 2 replies
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Resolved! set timer to interrupt every 500ns(2MHZ)

I am using stm32F103RE with 72mhz timer clock for using timer 1. I set prescalor to 0 and ARR to 35 to make 2MHZ timer interrupt.(72/36=2) to check it I use a variable and add it every 2,000,000 like the code below...I expect it to be added every 1s ...

Zakba.1 by Senior
  • 4 replies
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STM32H750VBT6 ADC 4 channels using DMA

I am using stm32h750vbt6 for 4 channels adc conversion using dma, unable to do so. I have done it in stm32f407 but couldn't implement in this controller. The buffer that ive assigned to dma always says zero. I am using stm32cubemx to generate code an...

Zain by Associate II
  • 7 replies
  • 0 kudos