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Use pin as both SPI MISO and GPIO/EXTI input

I use external ADC (slave) with pins with dual function. And when SPI don't work , on MISO pin can check and "end of conversion". This is when SPI pin NSS is high.So: can I activate pin first like SPI "alternative pin" (pin is input - MISO)  and like...

Brussl by Associate III
  • 78 Views
  • 1 replies
  • 1 kudos

ADC not working with PCLK / 4 ?

Hi, Im using STM32g0b1 ADC in continous mode.I am continously converting channels 0,1 and 2. Everything works perfect when clocking the ADC with PCLK/2.SYSCLOCK is 64MHzPCLK is 64MHz so ADCCLOCK is 32MHz.I get End-of-Conversion Interrupts correctly a...

Nabidev by Associate
  • 57 Views
  • 1 replies
  • 0 kudos

Resolved! STM32U5G9J RTC 24 hours format doesn't work.

I work on the STM32U5G9J-DK2 and what I noticed, the RTC doesn't accepted properly hour value which is greater than 12. Than calendar doesn't work, don't actuallize and the hours going UP for example from 23 to 24 and from 24 to 25 and so on... It's ...

wegi01 by Associate III
  • 143 Views
  • 6 replies
  • 4 kudos

NUCLEO F411RE timer in order to generate an interrupt

Learning on how to code 4x4 keypad with F411RE I came to need to learn timer in order to generate an interrupt (saying simply C function should be called lets say every 1 second) I created STM32 project CubeIDE+CubeMX  selected TIM3 (in Timers)  -> s...

Roman_E by Associate II
  • 181 Views
  • 12 replies
  • 2 kudos

USB-PD attention callback never get's triggered?

Problem When i call * USBPD_PE_SVDM_RequestAttentionI get a OK message response but the callback never gets called.  * USBPD_VDM_SendAttention Curious to know if there's any good way to debug this?  Current debugging stepsI have a STM32G0-Disco board...

Current2.png Current capture.png Screenshot 2025-12-21 at 10.12.14 AM.png Screenshot 2025-12-21 at 10.01.39 AM.png

STM32N6 Power On sequence

Hello STM32N6 Tech supportI am writing with reference to power on sequence. My power sequence is as follow1. First VDDA1V8_AON, VBAT and VDD is applied. My VDDIO4 & VDDIO5 is also connected with VDD.2. VDDCORE is supplied from an external SMPS step-d...

STM32U5 internal RTC time greater than 24 hours

We are using the STM32U5 MCU and its internal RTC in our project.We are facing an issue where the RTC time sometimes goes beyond 24 hours — for example, we observed a timestamp showing 37 hours. The RTC is configured in 24-hour format, and we have in...