STM32 MCUs Products

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SMT32L4 USART Vs LPUART Power Consumption

Hi,We using stdio for debug output in an Mbed OS app. I don't think Mbed OS is particularly relevant to my question. It's just some simple output without flow control or anything fancy.Currently we're using USART2 for our debug output. USART2 wasn't ...

MBrow.13 by Associate II
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STM32H7 USB_OTG_HS internal DMA not working

Hey,I am trying to get the internal DMA of my USB HS interface to work. I am using an USB3320 as my ULPI transceiver connected as Device. I have no trouble using the USB interface without the internal DMA, however, it is extremely slow. I only get ab...

P.R. by Associate II
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Hello, I am using ETM on ARM Cortex M4 on NUCLEOF411RE and I would like to access its registers from software application. The problem is that I am not able to control ETM registers. More details below.

 I am following this procedure:- set the lock access register for software access, by writing on it the value of 0xC5ACCE55.- set the programming bit in ETM control register- check whether the programming bit is set or not in ETM status register.The ...

alkalir by Associate
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Impossible to access my STM32L011D3 with SWD

Hello all,So I've recently made a new PCB design with a STM32L011D3 chip. I also possess a BMP (bl*ck magic probe), that worked for other projects. So I am unable to see the chip with my BMP , when I do a swdp scan to list devices. The probe detects ...

Loïc by Associate II
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STEVAL-ISB042V1 ... code writing... programming adivices.

I got 2 STEVAL-ISB042V1 and i want to create some code for the MCU to use the GPIOs for several functions. But i cant find the correct IDE for my MCU and i m looking for some programming adivices. I hope anybody can give me some help. The Datasheet o...

roku by Associate II
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Cannot flash chip after sectors erasing

Hello, I want to flash my program in STM32 chip after sectors erasing. I cannot upload my soft and I need help from you.I tried to upload my ST-link V2 debbuger but since it seems to not work fine. Any idea ?Thanks in advance.

TAKSO by Associate
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