STM32 MCUs products

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Pulse edge detection level of STM32 Timer input capture

I'm using STM32F407 and I want to capture a pulse of following detail:Frequency: 100~1000 HzLOW voltage: 0.7vHIGH voltage: 1.5vand I'm wondering that whether STM32 input capture can be triggered on such 0.7~0.8V height pulse, or not.If not, what is t...

BOh.1 by Associate
  • 1 replies
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Resolved! How to program simple data to OCTOSPI external flash?

Hi!I have a custom board with a STM32H725. The board has an external OCTOSPI flash memory from Infineon's S26KL/S26KS-series. I can read/write data back and fourth in memory-mapped-mode and now I want to be able to program persistent data using the i...


Resolved! Floating values ​​when writing to memory STM32L422KBT6

Hello, well I have some array of uint16_t data with is contains 50 records. If I truing to write it to the flash memory it looks like it have done an then if I write again, the HEX data in debug mode memory is randombly chenging. Ideally Firstly I ne...

YShe.1 by Associate II
  • 5 replies
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ADC sample rate for STM32H725

Hello,I am sampling two signals using ADC1 in master, and ADC2 as a slave.For this i am using ADC1 Input3 and ADC2 Input 5, with DMA filling the 32bit buffer, with a buffer size of 2048.Bellow are some setings how the master/slave is configured in a ...

Bogdan by Senior
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Resolved! STMCubeIDE wrong variable size shown in Build Analyzer

Hi, I am using an STM32F401CCU6 for a FreeRTOS project. My problem is that a variable shows up in the Build Analyzer as 64B instead of 80B. I am using some LoRa libraries. For simplicity, I will refer only to the information I think is relevant for t...

SOgal.1 by Associate II
  • 2 replies
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Resolved! Where are DWT_CTRL, DWT, CYCCNT and so on, explained

I wanted to do a simple test with my STM32f746 protoboard and count clock pulses. Problems are normal (I get all zeros) but in what datasheet/pdf are those registers explained or mentioned. I searched several pdfs in the net and none had those keywor...

LMI2 by Lead
  • 7 replies
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STM32F407VG6 for UAVs?

 I am wondering, how can I measure the program execution cycle speed? How fast while(1) section loops and how fast I can read the values from the sensors? This is the particular thing I wanna find out about.Thanks,Enes

EAktu.1 by Associate II
  • 1 replies
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Resolved! Writing to internal flash STM32L422KBT6

Hi I hove something trobels with writing data after erease. I have only option bank and page erease and nothing other. I doing a bank1 erease and after this tryuing to write something whith is complitly not writing to memeory. Only on another compila...

YShe.1 by Associate II
  • 1 replies
  • 0 kudos

Resolved! SPI Clock divider

STM32F103:I see in the SPI configuration only prescalers of powers of 2. How can I adjust a distinct clockrate for SPI?