STM32 MCUs Products

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STM32F7 usart DMA tx

Hello ; I am trying to test usart DMA on F7 . I only can transmite one time ; when i call usart init again its ok . but i still could not understand why . Could you help please while (1) { /* USER CODE END WHILE */   /* USER CODE BE...

Using UART and I2C on the same pins

Hi, I'm using Nucleo-L432KC board and I've got quite a few devices plugged in to it already. And I need to add another device using UART, but I'm using UART2 for debug output already and I2C1 (which always shares pins with UART1) for a couple i2C dev...

kj.obara by Associate III
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Something wrong in program using STM32F103 ADC.

Dear readerI hope someone can help me with my question. I have programmed an ADC1 on a STM32F103 with the following functions activated:Continues conversion modeScan mode with two channels A0 And A1 DMA to an array in memory ADC_data[2]( ADC Interrup...

WOGoos by Associate II
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  • 4 replies
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STM32G474 - using upper 16kB of CCM-SRAM breaks debugging

Hi guys, I have a crazy curiosity at my hands. The STM32G474 is a "category 3" device, therefore it has 128kB of RAM with the upper 32kB being CCM-SRAM. It is really nice that it is all addressable in one continuous block.When i use the upper 16kB of...

Albi G. by Senior
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Resolved! Example for using DAC on STM32

Hello,I'm working with the NUCLEO-F722ZE EVB on STM32CubeIDE.I'm Looking for a C example that explains how to use the device's DAC (Digital to Analog Converter)

skon.1 by Senior
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  • 2 replies
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Why (stm32 discovery) pins are resetting ?

When i use iar embeded workbench its work correctly with out f11 .While it works by itself , its pins are resetting.I want to learn what happening here .Even power is enough.Model : stm32f429COD:CONTROLREAD LDR R0, =USART2_DR         LDR R1, [R...

YAY.1 by Senior
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  • 14 replies
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stm32h743 random hard fault while reading flash

Hi everyone!i have a custom board with h743vit6 on it when i'm trying to access flash like this:cell_data = * (__I uint32_t *) address;i'm getting random hard faults from time to timeat first everything works fine, but after hard fault happens once, ...