STM32 MCUs Products

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Resolved! Option Bytes changes does not work

HIUsing stm32f303veh6.Changed the option bytes with the CubeProgrammer. 2.20.0 to override the BOOT0 signal. ( its floating )nBOOT1 - > uncheckedBOOT_SEL -> unchecked I see that the address on start is 0x1FFFF.. and my FW on flash does not run. For d...

Rado1 by Associate
  • 69 Views
  • 3 replies
  • 1 kudos

SMPS on STM32N657

Hello,Regarding the STM32N657, I'm not using the internal SMPS.  My question is:  Do we need to put capacitors on the 6 VDDSMPS pins or can they be left as no connect?   Same question on the VLXSMPS pins... do we need the capacitors on these pins, or...

mattcrc_0-1761592495500.png
matt-crc by Senior III
  • 125 Views
  • 8 replies
  • 1 kudos

STM32U031 freezing IWDG counter in STOP 0 mode.

Hello Everyone,I am facing an issue with my MCU entering low-power mode.My idea is to freeze the Independent Watchdog (IWDG) counter in STOP mode so that the MCU will not reset due to the IWDG counter elapsing.From my understanding, this can be achie...

sureshkumar1_0-1761636863691.png

About FDCAN ERROR

Dear STM experts:     I am using the STM32G473RET6 chip for classic mode communication debugging in FDCAN, but there is a phenomenon where I cannot send information. In FDCAN-PSR, I can see an error of LEC being 5. After removing the CAN chip (SN65HV...

Resolved! STM32N657 IO 3.3V tolerant?

Hello,I'm using the STM32N657 processor and have the HEXASPI device running at 1.8V.  VDDIO2 is connected to 1V8 supply (which affects: PO[5..0] and PP[15..0]The FMC is placing the A23 line on pin PO1 (this is the only option for the FMC-A23) and the...

mattcrc_0-1761602911315.png
matt-crc by Senior III
  • 88 Views
  • 5 replies
  • 1 kudos

Query about internal SMPS of STM32H757

I am trying to apply this configuration to my STM32H757 MCU where I am making a development board. here few things confuses me. 1. I have selected this configuration for better efficiency + noise performance. guide me if I am wrong2. What is the VDD ...

taj_0-1761655986257.png
taj by Associate II
  • 30 Views
  • 0 replies
  • 0 kudos