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Internal Reference voltage VREF of STM32L4R9

Hi,I am using STM32L4R9ZIJ6 microcontroller.I have connected an external reference voltage of 3.3V to VREF+ pin and wanted to use internal reference voltage over this one for internal ADC read operation. Is that possible?I tried configuring the MCU t...

MoniR by • Associate
  • 146 Views
  • 2 replies
  • 1 kudos

STM32U585 - Low Power Mode and UART DMA Issue

Dear STMicroelectronics Support Team,I am working with the STM32U585I-IOT02A development board, and I need assistance with the following:Entering and waking from low power modes (STOP2 or STANDBY) using the RTC wakeup timerConfiguring UART1 with DMA ...

shivss by • Associate II
  • 185 Views
  • 1 replies
  • 0 kudos

Resolved! STM32H753 CAN set up with both CAN-FD & CAN 2.0 frames

Hi, I'm trying to configure an STM32H753 FDCAN peripheral to be compatible with both CAN-FD & CAN 2.0 frames, in both the Tx & Rx directions.   How should I configure the FD-CAN peripheral to achieve this? I've been through he RM0433 document as best...

CZ_Home by • Associate
  • 293 Views
  • 2 replies
  • 0 kudos

STM32 N6 Octo SPI and FLASH on same PN Port/Pins

I want to use the SMT32N6 VFBGA142 or VFBGA169 package.  These parts do NOT have XPSIM_P1(on port PO).  They only have XPSIM_P2(on port PN).Can I connect both Octo FLASH and Octo PSRAM on port PN and use the two chip selects (NCS1 & NCS2) to independ...

Paul_V by • Associate
  • 187 Views
  • 1 replies
  • 0 kudos

Resolved! GPDMA Linked List in Secure code on STM32N6

Hi,The example for FSBL works as describedhttps://community.st.com/t5/stm32-mcus/how-to-configure-the-linked-list-mode-in-stm32cubemx/ta-p/693779But if the same approach is applied to Appli (Secure) code, the "User Setting Error" raised in DMA IRQ.I ...

ERROR by • Senior
  • 516 Views
  • 5 replies
  • 1 kudos

How to use ADC with DMA on the STM32H7S78-DK

Hi everyone,I am currently trying to use the ADC with DMA on my STM32H7S78-DK. To do so, I am following this guide: https://community.st.com/t5/stm32-mcus/stm32h7r-s-how-to-configure-an-adc-dma-transfer-in-circular-mode/ta-p/737149. I've made little ...

VPguy by • Associate II
  • 279 Views
  • 3 replies
  • 0 kudos

STM32F407 I2C ADDR bit not being set

Hi, Im using my own I2C library but after i write the device adress when i receive SB interrupt the adress bit never seems to be set to 1. I have tried testing it with HAL and it seems to work fine. I would be happy if someone could helpvoid I2C_Even...

How to drive the VD55G0 in N657B0

I want to use N657B0 to drive VD55G0, and the camera side can already enter the Stream state. After I use the function HAL_DCMIPP_CSI_PIPE_Start, I track the variable csi_instance through single-step debugging and find that several bits in its SR1 re...

eureka by • Associate II
  • 290 Views
  • 1 replies
  • 0 kudos
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