STM32 MCUs Products

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Forum Posts

Program data on flash from PC

Hi, I have a simple code running on STM32L0 MCUs. I will need to change some data on their firmware on each board depending on some analog properties of another component.There is a practical way to program a portion of memory with some data after th...

GMont.4 by Associate II
  • 978 Views
  • 5 replies
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Resolved! How to receive hex data from the terminal using UART?

I want to receive hex data from terminal like 0x66, 0x55, 0x44, 0x23, 0x11, 0xaa, 0xbb, 0xcc. Normally we can receive messages in string over UART. But I want to receive hex data instead of character or string from terminal. I am using stm32cubemx HA...

MAlam.2 by Associate II
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  • 6 replies
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Resolved! Speculative access and STM32H7 Memory Protection Unit

After seeing the MOOC about the MPU Usage I am wondering about the speculative access reads. From the video it seemed, that they could occur to any random location unless that area was configured as strongly ordered or device memory. What about the a...

JRS by Associate III
  • 4305 Views
  • 4 replies
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Any option to go with STM32H745ZIT3 in VOS0 and VOS1 mode to use the maximum clock frequency in the industrial temperature Range variant.

Due to the current semiconductor shortage the microcontroller STM32H745ZIT6 is not available in the quantity of 210, so I had to buy the variant with higher temperature range. However, the data sheet says in small print that this variant does not sup...

SMein.1 by Associate II
  • 564 Views
  • 2 replies
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Custom SPI Datasize

Hello, I am trying to interface to an external ADC via SPI. I amusing the STM32Cube IDE with a Nucleo-144 STM32L552. The issue I am having is that the ADC requires an unusual number of clock pulses (18 as per data sheet - see attached screenshot). No...

SJohn.5 by Associate II
  • 2789 Views
  • 3 replies
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STM32F4 using DMA2 for USART1

I am using a STM32F407, and I would like to use DMA to receive data from USART1 and store in a buffer.HAL is not being used.USART1 is configured and is receiving the first byte of the message correctly. That is, the data shows up in USART1->DR.Here i...

0693W00000HnYbgQAF.jpg 0693W00000HnYbqQAF.jpg
gahelton1 by Associate III
  • 2156 Views
  • 6 replies
  • 0 kudos