STM32 MCUs Products

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Internal Flash (STM32F042G6)

*How to save varibales or array of data in Internal memory on STM32F042G6*Can i get some example to understand this thing more clear.Thanks in advance.

Ss.61 by Associate III
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STM32H7 SPI low speed stabilization problem

I am communicating Nucleo H743 with several PN532s using SPI. I edited waveshare's stm32 codes, I didn't use DMA or interrupt. I am trying to reduce the SPI speed so that the reader can work when I extend the cable length. Since I could choose the SP...

K.I.S.S. STM32L0xx persistent storage / non-volatile memory

I need a to read and write a simple 16 bit user configuration value that's stored in non-volatile memory. The STM32L0xx is famously short on memory and as such bringing the entire HAL in is out of the question. It swells up the code space well beyond...

JMath.2 by Associate II
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  • 3 replies
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adc dma reading

I am using 6 channels adc with 46uSec sample rate. the reading is pretty good with dma. and I use TIMER trigger adc reading and get data from dma call back function. but every time I only get one sample for each channels, it is possible to set multip...

yang hong by Associate III
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How to access the 2KB user option bytes in H7

In the STM32H7 datasheets, page 23 (H750) or 26 (H743) - ST says the device has 2KB user option bytes flash area. Does anyone have idea if this is a typo? Or how to access this memory?If it really is there - it has a good potential to be used as conf...

Dan4 by Associate II
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  • 8 replies
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SPI loopbacking not working

I am using nucle-h745ziq ,SPI1 as Full duplex master and SPI4 as Full duplex salve.And both have same freuncy 25MHZ .And spi1 prescalar is 2.But SPI4 is not start the communication.Both structure parameter are same.In spi.c libabry I am uing if(HAL_...

MDeva.1 by Associate II
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  • 9 replies
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