STM32 MCUs Products

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Resolved! SMT32L4xx blocked by bootloader

Hi all,I'm using stm32l431 and met a problem as below.After power up a new stm32l431 board which had not been programmed before, the MCU enter bootloader progam and the PC value is 0x1FFF xxxx.  Downlaod my own code to MCU but the code and not run.Th...

WYWF by Associate
  • 1145 Views
  • 3 replies
  • 1 kudos

Using the Hardware CRC for a CRC-8 calculation

Hi together,I am communicating over different interfaces and these are from different suppliers. There it is used the CRC-8 algorithem to secure the the communication data.I have two cases, in both we use a table to realize the crc calculation, now I...

Resolved! STM32L0 SPI and CS HAL Speed

Hi there!First time on the community, but have been programming with STM32s for some time now. I am currently facing a speed challenge using the HAL_SPI_Transmit() function. In order to toggle the CS line, I have always done something along the lines...

bwefers by Associate
  • 2148 Views
  • 3 replies
  • 2 kudos

Resolved! STM32 Bootloader firmware write over uart

Hi everybody,I'm working on a project where I have a pi cm4 connected to a STM32 (during testing we're using a STM32G07 dev board, but production will be using an STM32G03 chip). I've been asked to write a program to allow the cm4 to update the firmw...

jbreaper by Associate II
  • 3532 Views
  • 9 replies
  • 5 kudos

Issue coming out of standby mode using RTC

Hi I am having issues coming out of standby mode using RTC timers. I am using both timers and the periodic counter, all at different times. If I dont go into stanby mode all works as expected, and the interrupts are generated for each clock and timer...

Programming internal flash

I´m about to use the STM32L471xx circuit and want to program it from an external source.What type of interface can I use to program the device?I want to avoid using the JTAG interface.Is it possible use USB or SPI interface?

Andreas3 by Associate
  • 915 Views
  • 3 replies
  • 2 kudos