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low power modes

this part in my code completely making my prototype to sleep which should not.As my standby should workout if the main power supply is OFF for 30 seconds.I have tried shutdown mode and exti thats too behaved the samePlease help what may be wrong  _...

meena by Associate III
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  • 0 replies
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ADC multi channels STM32U585

Hi, I try to make a project that seems easy. but I am not good to code so I ask ChatGPT  but still I need  human GPT to help. appreciated 1) hardware STM32U585 ( (B-U585I-IOT02A)2) use software generate 0 to FFF and output analogue voltage to Pin PA4...

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Forest.Xu by Associate II
  • 1742 Views
  • 4 replies
  • 1 kudos

Power on built in test for STM32F446RE

Hello,   I am using STM32F446RE in my project and as per the project requirements I need to have power on built in test, initiated built in test and continuous built in test on STM32F446RE. Please let me know how different built-in self-tests can be ...

PAcha.1 by Associate
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  • 4 replies
  • 1 kudos

Resolved! Mysterious memory behaviour in simple DSP test program

Hello,I am currently developing a DSP application on an STM32F439ZI Nucleo board in combination with a Pmod I2S2 audio codec board. So far, basic testing and filtering worked fine until I started to try FFT processing. I isolated the issue in a simpl...

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JP_ama by Associate III
  • 10691 Views
  • 20 replies
  • 3 kudos

Resolved! Multiple USB virtual com port

Hi, I would like to make a serial to usb converter. The problem is that I need to make a usb-to-32 serial port converter.I've seen that there is nothing like this on the market and not even chips that do this.What I came up with, is to use STM32s to ...

FMass.1 by Associate III
  • 4576 Views
  • 2 replies
  • 1 kudos

How to write your own DAC driver in STM32?

I was using HAL Driver for DAC, however, it turned out not to be suitable for my project because at high sampling frequency, using HAL_DAC_Setvalue() inside a timer interrupt caused problem. So i need to write my own driver for DAC. But I have no ide...

RShre.2 by Associate III
  • 4215 Views
  • 22 replies
  • 0 kudos

Resolved! STM32U585 TZEN Program Error when reset command is used

Hi @channelI am using the B-U585-IOT2A board based on STM32U585 and am configuring TZEN and checking some sample programs. i am not able to reset the board either through the push button or through the software code "NVIC_System_Reset()" and when deb...

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PJose.4 by Senior
  • 3266 Views
  • 5 replies
  • 1 kudos

STM32H723ZGT6 vs STM32H743ZIT6 P2P compatibility

Hi,I am planning to replace STM32H723ZGT6 with the STM32H743ZIT6. I am interested in the following interfaces and using the respective in numbers MII/RMII(1 no.), SPI(1 no.), UART(4 no.), I2C(4 no.), QSPI(1 no.), OSPI(1 no.). Please do let me know if...

Sandeep1 by Associate II
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  • 2 replies
  • 0 kudos