STM32 MCUs Products

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stm32g071 is locked after I programed option bytes.

I used related functions of HAL in Keil to program option bytes. I cannot connect to MCU again after I write option bytes. I think MCU is locked , and I've tried two MCUs , both is locked, How can I unlock this MCU? It's external boot pin seems usele...

rpip.1 by Associate III
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Calculation of Sense capacity from TSC value

Hello, I would like to ask you, if there is any way to calculate the value of sense capacity? I am using TSC peripheral on STM32L083 and I am trying to interpret the output value from TSC. I've read every application note for TSC, and I didn't find ...

DBarv.1 by Associate
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  • 1 replies
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STM32H750vb External Loader issue with W25Q128JV

Hi , I am trying to develop the external loader for W25Q128JV flash interfaced with STM32h750vb through QSPI. I have tested each function for its operation in STM32CUBE_IDE.But i am not able to get the External loader to work it cannot read write or ...

JP_RS by Associate II
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Detecting SD card with quad data on STM32 (H7)

Hi,I have my design using STM32H750 (which does not matter in fact it is general question) and I uses Yamaichi microSD connector hat does not have card detect pin. In single data mode, I use one of the SD-Card pins to detect card bit obviously I cann...

Duddie by Associate II
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Resolved! Hello All, I interfaced buzzer with my NucleoF103RB board, schematic and code attached with this post. now the problem is my buzzer is not playing loudly and I used one loop to increment the duty cycle, it is was not playing continuously.

/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file : main.c * @brief : Main program body *****************************************************************...

Resolved! STM32H7 DMA request mapping table

Posted on April 19, 2018 at 20:16Hi,Where is the STM32H7 DMA request mapping table documented ? we want to use DMA on USART1 RX and TX.In STm32Cube for STM32H7, example UART_HyperTerminal_DMA , the DMA mappings are:/* Definition for USARTx's DMA */&...

stm32f070c6 boot issues

Hello,I'm using stm32f070c6. When pulling up 'BOOT0' with 10kΩ to VCC(3.3V) , I'm able to run my code on my custom designed board using STM32CUBEIDE.When I press RST or power cycle board, nothing runs. This is expected right? Since I'm in Bootloader ...

RKUMA.2 by Associate II
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Differentiating between multiple uart interrupts

Hi,I am using STM32L07xxxI want to use USART4 and USART 5 So i generated code using STM32CUBEMXBelow is generated code for interruptvoid USART4_5_IRQHandler(void) { /* USER CODE BEGIN USART4_5_IRQn 0 */   /* USER CODE END USART4_5_IRQn 0 */ HAL...

SA.17 by Associate III
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MCU resets after couple hours

Hi, everyone I have a weird problem, my stm32f103c8 chip goes to reset mode(nRST pin voltage goes below 1.5 v) after working for couple hours. The MCU is switching the GPIOB1(frequency is 500KHz). Do you have any suggestion about this issue? Is it a ...

Adistrict by Associate II
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  • 10 replies
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