STM32 MCUs Products

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USART Receive multiple characters

Hello,I am trying to recognize a number sent to USART:If I send '123' over USART to MCU then MCU receives only '3' (the last character). Variable recv has uint8_t (unsigned integer) type. How could I receive the complete number ('123')?I am using STM...

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Indois by Associate II
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  • 2 replies
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how we should configure the gpios using LabVIEW

Hai,I just want to enable the gpio through the LabVIEW using VISA communication, for this how can i make changes in stm32 firmware code to enable the gpio through the labview, if anyone have idea about to how to write the firmware code to access the...

VRajk.1 by Associate II
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SDMMC breaks when interrupted during writing?

Hi,I'm trying to sample data inside an ISR, write it to a buffer, and then write the data in the buffer to an SD card. The SD interface uses the SDMMC devices.It seems that when the ISR interrupts the SDMMC performing a write, the SDMMC errors and re...

RBamf.1 by Associate III
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  • 3 replies
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NUCLEO-G474RE pwm issue

i am using NUCLEO-G474RE board, TIM1 to output PWM wave, it works fine ,i can see the pwm wave through scope, but when i use HAL_TIM_PWM_Stop(&htim1, TIM_CHANNEL_3);HAL_TIMEx_PWMN_Stop(&htim1, TIM_CHANNEL_3);to stop PWM , there is a attenuated wavefo...

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CJi by Associate II
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  • 1 replies
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I am using STM32G483CE MCU. I can't find out what will be the default value of DBANK bit in Flash Option Register. In Reference Manual it's default value is given as 0xFXXX XXXX. So which value we have to consider 0 or 1?

Also Which is better option to use Single Bank mode or Dual Bank Mode?I want to upgrade my application via bootloader and at the time of upgrade it is not necessary to continue currently running operation.And In DBANK bit ,description is written as ,...

djtilava by Associate II
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  • 1 replies
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Can not find STM32G483 MCU in stvp utility?

I have made combine hexfile of BOOTLOADER+Application and i want to load that hexfile using STVP utility. But can not find STM32G483 MCU in device selection of STVP tool.As before i were using STM32F030CC mcu which is available but can not find STM32...

djtilava by Associate II
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  • 1 replies
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STM32G4 wakeup

Hi,I try to wakeup STM32G471 with RXD, but always failed. and there is so little materials. Would you please help share the complete demo source code​?Thanksbr**** Bing

BWang.1 by Associate II
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  • 1 replies
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G474 DMA + DAC bug?

I'm trying to set up DMA to DAC waveform generation on the G474 using CubeMX for setup. I have the device configured as follows:TIM6 at 10KHz, Trigger Out on updateDAC1 OUT1, Trigger 6 Trigger Out eventDMA configured for DAC1_CH1, DMA1 Channel 5 circ...

SOCal by Associate
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