STM32 MCUs Products

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Resolved! Different Voltage Level on IO Pins

Hello, I am developing an application using STM32N657I have datasheet DS14791 Rev 4. There are pins for VDDIO2 to VDDIO5 and the datasheet implies that I can run the GPIO on an independent voltage supply. Chapter 5.3.17 even specifies low levels and ...

Panda by Associate II
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  • 7 replies
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SSD1963 Initialization

I am trying to get a 7" LCD to interface with a STM32F407VET6 microcontroller. I am using a display from winstar which the product number is WF70A2TIFGDBT0. The screen is 800x480 pixels and uses 8080 interface. The display uses a SSD1963 driver and I...

Resolved! Understanding Power Consumption using SMPS on STM32N6

I am unsure if I correctly understand the power consumption of the N6 Family. I want to supply the MCU with 1,8V and use the internal SMPS to supply Core with 0,81V.When it comes to designing the 1,8V voltage source, how much current do I have to exp...

Panda by Associate II
  • 171 Views
  • 5 replies
  • 2 kudos

STM32H7 SRAM ECC Triggered unexpectedly

Hi,I am testing the ECC on DTCM on the STM32H7A3ZI.  At start of day I initialize all of DTCM apart from a single test location.  I have a test which reads from that uninitialized location and successfully provokes the SRAM ECC interrupt, correctly r...

ChrisO by Associate II
  • 148 Views
  • 6 replies
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Resolved! Can't flash, debug or even erase STM32

Hi,I made some custom PCB's with a STM32L476RG. Here are some of the features:-USB-C connector (CC channel configured as device) with DM/DP routed to PA11/PA12.-Step down converter 5V (VBUS USB) to 3.3V (VCC for most components)-Tactile switches for ...

JonasHSLU by Associate III
  • 164 Views
  • 7 replies
  • 1 kudos

STM32H7x3 ADC synchronous mode: clock ratio confusion

Board: NUCLEO-H723ZGMCU: STM32H723ZG (applies to others as well)Reference manual: RM0468 Rev. 3 Link  Dear community,I want to do a phase measurement of an approx. 75kHz analogue sine signal with respect to the HSE clock. For that purpose, I aim to t...

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H7user by Associate
  • 82 Views
  • 0 replies
  • 0 kudos

Resolved! STM32H755 WWDG interrupts

Hy every one,I'm facing up the WWDG usage on a STM32H755 MCU.I noticed that WWDG peripheral has 2 interrupts: normal one and the early wake-up EWI one.What is the difference?Manual is not clear! Thanks in advance

iTTy by Senior
  • 246 Views
  • 9 replies
  • 3 kudos