STM32 MCUs Products

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Forum Posts

Do PWR and SYSCFG need to be clocked permanently?

Hi all: I have a general question about whether STM32 peripherals need to be clocked permanently. I am using an STM32G0 at the moment, and I am disabling the USB C Power Delivery "Dead Battery" feature, in order to make sure that the internal 5k1 pul...

Diez.R. by Associate II
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  • 1 replies
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Resolved! Confirm pin 1 on STM32L433

 I have had a board assembled and want to check they have fitted the STM32 in the correct orientation.  Pin 1 on the PCB is shown by the white triangle. But it’s not clear from the package where pin one is because there are two circles in opposite co...

IMG_3498.jpeg IMG_3497.png

STLINK debugging issue in stop mode (STM32U031C8U6)

Hi all,I'm having trouble debugging using STLINK when the STM32U031C8U6 microcontroller is in stop mode or running at a low frequency clockI already tried to:enable in the STM32CubeIDE the "Debug in low power modes" option (Debug Configuration, Debug...

Resolved! Reference manual RM0008 for STM32F107xx outdated or wrong?

The STM32F107Vx has 2 CAN interfaces.In the TRM RM0008 Rev 21 dated February 2021 on page 115 I can only find one entry to enable the CAN clock, bit 25. What CAN clock does this bit enable? CAN1, CAN2 or both? Or does the reserved bit 26 enable CAN2 ...

fxrb by Associate II
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  • 2 replies
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Resolved! STM32F407 decoupling capacitor 100nf or 10nf

The power supply scheme indicates to use 100nf for vref and vdd, but in the General PCB design guildines section (Figure 51 and 52) indicates that 10nf power decoupling capacitor should be placed. I am confused which capacitor is suggested for adc de...

DNI by Associate
  • 142 Views
  • 2 replies
  • 3 kudos