STM32 MCUs Products

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Resolved! STM32F7xx Family Undocumented QSPI Hardware Bug

Peripheral: QSPIBug: Bit 4 of FTHRES[4:0] in the Control Register is not set when written with threshold values in the range0x10 - 0x1F. Works fine for threshold values in the range 0x00 - 0x0F. So, for example, if one writes 0x16 for athreshold leve...

psymo000 by Associate II
  • 499 Views
  • 4 replies
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Resolved! Composite USB device MSC + Vendor

Hello,I'm working on a firmware which currently run in USB vendor interface (bInterfaceClass = 0xFF) and it's working.Now I want to add MassStorage. My Firmware is a bit older so I add all usb composite parte by my self (in usbd_core ...) . I defined...

MA4 by Senior
  • 388 Views
  • 4 replies
  • 0 kudos

Resolved! Inexplicable extra pulses when using PWM + DMA

I'm try to generate some pulses to PB0 using STM32F103C8T6 with the following code#include <stdint.h> // STM32F103C8 is a medium density device, hence we use the xB header #include <stm32f103xb.h> #if !defined(__SOFT_FP__) && defined(__ARM_FP) #warn...

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Beartama by Associate II
  • 417 Views
  • 4 replies
  • 2 kudos

stm32f765xx internal temperature sensor

Hello, I am currently trying to measure the temperature using the internal temperature sensor of STM32F765. The Reference Manual stated to do temp = ((V_sense - V_25) / Avg_Slope) + 25,but the address of calibration data existed in the Datasheet.In t...

STM32U083 wakeup from pin reliability

Hi all,we are designing a product based on a STM32U083. The device is battery powered (not removable) and it can remain in storage for at least 2 years. To reduce battery drain we are putting the mcu in shutdown mode to then wake him up via a button ...

stefanod by Associate
  • 113 Views
  • 1 replies
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Extremely Large Binary Size When Using DTCMRAM

Hi, I am working on a project with the STM32H730. In order to make full use of the onboard memory I have the project set up to load some objects into DTCMRAM. This works, however the binary size is huge, like 403 MB, and subsequently is crashing cube...

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EPala.2 by Associate III
  • 2528 Views
  • 12 replies
  • 1 kudos

Resolved! STM32L433 NRST pin status

This is a very basic question.I built a custom board using the STM32L433.After applying power (+3.3V), I checked the NRST pin state, but it did not reach the default voltage.Could you please tell me any possible causes?For reference, I have confirmed...

Resolved! MPU causes unaligned access fault

Hi,Master:MCU: STM32H743IIQuestion:I configure the MPU for RAM as follows:mpu_set_protection( 0x24000000, MPU_REGION_SIZE_512KB, MPU_REGION_NUMBER1, MPU_REGIO...

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Lyu.1 by Senior
  • 151 Views
  • 2 replies
  • 1 kudos