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Forum Posts

I2C fail in case of UART interrupt?

Hello everyone!I'm asking for your help with the following: I have a board equipped with an STM32L151 processor, with which I use an STM32 ISM330DHCX IMU via I2C. The ODR is set to 52Hz for both the gyroscope and the accelerometer, and I request an a...

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Resolved! STM32H743VIT6 vs STM32H743ZIT6

Hello everyone.Is it possible to directly replace STM32H743VIT6 processor with STM32H743ZIT6 without changing the program code? Will there be any differences in the performance of the DSP device with this processor?Thanks in advance for your reply, C...

eLKa by Associate II
  • 1544 Views
  • 5 replies
  • 6 kudos

Resolved! A Question regarding DMA controller trigger source

Hi, STM experts, This question is regarding STM32L4 series MCU. It is about DMA controller's trigger.Let's say we have two DMA channel, DMA_A and DMA_B. Is it possible to configure the system so that when DMA_A's task is finished, DMA_A send a trigge...

JC1985 by Associate II
  • 1109 Views
  • 5 replies
  • 2 kudos

STM32G473VE: FDCAN register callback question

We are using the STM32F429 in an ongoing project.The CAN bus is used for the communication. In a new project we change to the STM32G473VE.The STM32G43VE is equiped with an FD CAN.The low level interface is slightly different between CAN on the STM32F...

Resolved! Help needed to identify manufacture

Dear ST Community,I'm hoping to get some help identifying the manufacturer, year, and month of manufacturing for an STM32f103c8t6 microcontroller I have. The part number on the chip is 991KA 93 MYS A03.I've searched the code online and in the datashe...

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Resolved! Pack alignment exception issue

Hi,Master:platform: STM32G070CBkeil ide:  arm Compiler:version 5 (c99 mode)Question: #pragma pack(8) typedef struct{ uint32_t a; uint8_t b; uint32_t c; uint32_t d; uint32_t e; } x_t; #pragma pack() x_t a[10] = {0}; int sz = siz...

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Lyu.1 by Associate III
  • 1153 Views
  • 4 replies
  • 1 kudos

Resolved! A Question on I2C Device in a Mixed I3C Bus

Hi, STM Experts,Recently, we are investigating if STM-H5 MCU with I3C SDR support could meet our system requirement. We now have a following question, and hope get support from you.In our system, there will be not only I3C devices but also I2C legacy...

JC1985 by Associate II
  • 1248 Views
  • 2 replies
  • 2 kudos