STM32 MCUs Products

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Resolved! STM32H747 SDRAM write problem

HI, I have a strange issue with our STM32H747 board using the IS42S16400J SDRAM chip.We have been reading the "How to set up the FMC peripheral to interface with... - STMicroelectronics Community" page and this all seems OK.The differences between th...

RobJ by Associate II
  • 409 Views
  • 4 replies
  • 1 kudos

Resolved! I cannot receive from PCAN Viewer from my board

I'm trying to establish communication with FDCAN and view the signal via PCan View, but nothing appears on the screen. There are no errors in the connections. These are the codes: /* USER CODE BEGIN Header */ /** ***********************************...

kyruss_21 by Associate II
  • 447 Views
  • 7 replies
  • 12 kudos

STM32F411 RTC 32768 cal Freq only 490Hz

Post Edited by ST moderator to apply source code formatting to comply with the community rule: I wonder if any one can help me.The rtc Cal freq produced by the init code below produces on 490Hz.  The RTC clock is loosing about 55 sec in 20 minutes.Is...

erastusC by Associate III
  • 505 Views
  • 11 replies
  • 5 kudos

ADC and DAC issue-Hardware

I’m using an STM32F439VIT6 on a custom board. PA5 is used as the DAC output, and PA0/PA1 as the ADC inputs. On 1 out of 5 boards, the ADC and DAC functions stopped working, but the same pins still work correctly as GPIO.Setup (failing board)PA5: DAC ...

Amal1 by Associate
  • 233 Views
  • 3 replies
  • 1 kudos

USB Device Connection and Disconnection

STM32F4 is working in USB Device MSC mode successfully.I need to detect the USB connection state. I put the HAL_PCD_ConnectCallback function in main.c but on compiling I received warning.Debug/../USB_DEVICE/Target/usbd_conf.c:307: multiple definition...

Nico3 by Senior
  • 4192 Views
  • 8 replies
  • 0 kudos

Resolved! G071RB oversampler

Hello...I wish to setup ADC oversampler but seems that i really dont understand if its capable to do what i want. this is what i wish to got: ADC triggeredSample adc0, 1 of 4 in oversamplerSample adc1, 1 of 4 in oversamplerADC triggeredSample adc0, 2...

eslavko by Associate
  • 161 Views
  • 2 replies
  • 0 kudos

Resolved! [STM32H730ZBT] FMC memory management fault

Hello, I'm trying to run SDRAM (AS4C4M16SA-5TCN) with FMC. It looks like all connections are correct. When I try to read/write to memory pointer, I got memory management fault handler.My FMC configuration:Clock connected to FMC is 275MHz (HCLK3). I'v...

sebxx4_0-1771156931814.png sebxx4_1-1771157270163.png
sebxx4 by Associate III
  • 312 Views
  • 5 replies
  • 1 kudos