STM32 MCUs Products

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Resolved! Read wrong content of MCU's internal flash

HelloI am working in dual bank mode with STM32G474RET6 MCU. I want to store some default values in internal flash beyond last programmed firmware's data address.For example I have following contents in flash (shown from STM32CubeProgrammer):Data star...

AlexHalf_0-1704730435486.png
AlexHalf by Associate III
  • 3136 Views
  • 10 replies
  • 1 kudos

Resolved! Getting problems with CAN on a NUCLEO-F207ZG Board

Hello everyone,   for a project I try to build a small CAN Bus with several Nucleo 144F207 Boards. Sadly, I have a really hard time to get it to work even though it should be rather simple. The minimum setup consists of two boards and two CAN Trancie...

CANconfig.PNG Scope1.jpg

Resolved! TSC Example

I am a begginer in the st enviroment, but still. I'm trying to use the touch sensing library, but there is very little good examples of how to just use one button as a sensor. I real all the documentation, still no good examples. I downloaded the lib...

mihaheh by Associate
  • 1610 Views
  • 3 replies
  • 0 kudos

NUCLEO-G071RB flash unlock hardfault

Hello,I'm new in ARM programming, I'm trying to study how CHIP work using the documentation.I wanna unlock the flash memory and according with documentation:1. Write KEY1 = 0x4567 0123 in the FLASH key register (FLASH_KEYR)2. Write KEY2 = 0xCDEF 89AB...

dmrsim by Associate III
  • 1115 Views
  • 4 replies
  • 1 kudos

Resolved! JTRST and NRST of STM32 MCU

Hello!What is the difference between JTRST and NRST of stm32 mcu?When using SWD, where should the RESET pin be connected? NRST or JTRST?

ellie99 by Associate
  • 3777 Views
  • 2 replies
  • 2 kudos

Resolved! STM32U575 : simple USB VCP UART

I have my own little board: with STM32U575CIT6Q (LQFP48 package). The USB is very simple and just DM (PA11) and DP (PA12) are connected. No USB-C, no USB-C Power Detector neither external chips for USB-C (as on NUCLEO-Board for USB-C-power).I want to...

tjaekel by Lead
  • 5636 Views
  • 17 replies
  • 1 kudos

Resolved! STM32U5xx: QSPI as multi-master (release QSPI signals)

I use the OCTASPI as QSPI. So far ok (QSPI transactions work).But I have realized:a) the QSPI does not release any signals after a transaction has finishedb) it does not seem possible to use OCTASPI (in QSPI mode, maybe as well in single SPI mode on ...

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tjaekel by Lead
  • 1252 Views
  • 3 replies
  • 0 kudos

STM32F103C8 GPIO Output

I'm trying to control LED using GPIO.The GPIO pin settings are as follows.PB 8~15 : input dataPB 4~7 : output LEDAfter analyzing the input data, I want to export the output, but when PB 4 is exported, PB 12 is turned on, and when PB 5 is exported, PB...

inkong by Associate II
  • 724 Views
  • 1 replies
  • 0 kudos