STM32 MCUs Products

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Resolved! STM32F446RET6 DAC to generate "an ideal square wave"

Hi,   I want to generate a bipolar square wave with a pulse width of 100us per phase using the DAC in STM32F446RET6.        But when I measured the DAC output (PA4), I found that the DAC output was not an ideal square wave, but a trapezoidal shape w...

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Junzhe by Associate II
  • 704 Views
  • 13 replies
  • 6 kudos

How to set this RCC_RDCR reigster for bootrom?

MCU: STM32N6Register: RCC reset duration control register (RCC_RDCR)Bits 27:24 EADLY[3:0]: External access delayThe bit field is security-protected by the 1 bit. Set and reset by software.Time to wait before the BOOTROM performs any external device a...

Resolved! STM32F7 USB Device Not Recognized as Virtual COM Port (VCP)

Hello everyone,I’m working on an STM32F7 project where I’m trying to establish USB communication between my STM32F746 Discovery board and a PC. I am really new at this really first time. I have configured the board for USB_OTG_FS in STM32CubeMX, and ...

Rlakos by Associate II
  • 3010 Views
  • 8 replies
  • 5 kudos

Resolved! Vector address & interrupt handler

Hello at everyone,I setup on CUBE Ide on STM32C011 mcu without the configurator TIMER1 and I would to manage it on update interrupt, but I have not the stm32c0xx_it.c file that would contain the irqHandler routines.In this case, how the compiler iden...

VSimo.18 by Associate II
  • 321 Views
  • 6 replies
  • 0 kudos

Resolved! STM32G0B1CCT6 have FDCAN1 or FDCAN2

My question is that stm32g0b1cct6 have fdcan2 or not because i getting confuse i read many document and reference some are said that stm32g0b1cct6 is low budget mcu and its have only fdcan1 not fdcan2 . so dear support team plz response fast regard V...

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F446 Bitwise operator MODER & PUPDR

Hello.. i m programming F446 using registers, and i found from F446 reference manual to configure PA1 as both input and pull-down mode. i don't understand , can anyone advise how could1. MODER &= ~(3<<2)  is to set MODER1 as 00 input? 2. PUPDR |=  (1...

Resolved! Use Ethernet on nucleo STM32F767zi without RTOS

Objective:Use ethernet cable to talk to MCU.Don't want RTOS, just want to use simple CAT5e cable to link to PC server and can ping and can send some messages to and from server via JSON format messages.I have swept through nearly all available thread...

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Wai Siang by Associate III
  • 2851 Views
  • 4 replies
  • 2 kudos

Resolved! FDCAN Tx callback not triggered on STM32U5

I’ve written code that performs a CAN Tx transmission when an interrupt occurs while in STOP2 mode.The transmission request via HAL_FDCAN_AddMessageToTxFifoQ() succeeds,but the HAL_FDCAN_TxEventFifoCallback(FDCAN_HandleTypeDef *hfdcan, uint32_t TxEve...

dlagyals by Associate II
  • 442 Views
  • 7 replies
  • 0 kudos

Resolved! L476RGT6 ADC1 Driver Not Working (Incorrect Reading)

Hi! I have the following code for an ADC1 driver running in ADC1_IN1 (PC0) in an L476RGT6 and it runs fine. However, I am testing it by reading a potentiometer and the value read is constant. I've already double-checked everything, including channel ...

gabofv by Associate II
  • 399 Views
  • 3 replies
  • 1 kudos