STM32 MCUs Products

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STM32H743 & ISSI IS42S32800G Self-Refresh Mode Problem

After the firmware is up and running, I am trying to put the SDRAM in self-refresh mode. We are using FreeRTOS. In order to put SDRAM into self-refresh mode, I write 0x4480D to FMC_SDCMR register. I am using IAR debugger, and I execute the statement...

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BGeor.1 by Associate II
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Resolved! STM32L4 HardFault_Handler?

Hello, I am very new to STM32 MCUs and hoping someone can explain to me the HardFault_Handler and possible reasons why my code is jumping to here? If there is a good resource which discusses this, that would also be very useful but I haven't been abl...

MCrew.1 by Associate III
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Resolved! Need help on MDMA in STM32H7

Hello,I want to use MDMA on STM32H7 to copy data from ADC to DTCM RAM. But it is not clear to me how to set it up . From ref manual I asume that there is a connection with "standard DMA" DMA1 or DMA2, maybe I have to set up a channel there to, but th...

STM32F072RB interfacing with nrf24l01

I am using STM32F072RB and I have interfaced it with NRF24L01 module.I have refer the library files attached below for nrf24l01 module.I am trying to send string "Hello World" from one module to another. .Transmission found ok, but at receiving side ...

Bs.1 by Associate II
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Resolved! STM32 Self reset

Is there a way to self reset other than watchdog?Without external pull-up resistanceI want to keep the GPIO high even if the MCU performs a soft reset.Is there any way?

LSang.11 by Associate II
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Hi Everyone, Weare working on a project where using SPI3 with DMA to communicate with flash. The problem we are facing is when copying a file from our module to PC, (file size is around 130 MB), it takes almost 14 minutes to complete the transfer.

Is there anyway we can decrease this time. We are using void DMA2_Channel2_IRQHandler(void) and void DMA2_Channel1_IRQHandler(void). Both RX and Tx callbacks are not firing and really not able to debug this issue. Looking forward to a solution. ...

SNata.1 by Associate II
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  • 10 replies
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STM32F4 - I2C Stuck Waiting for ADDR Bit

Posted on September 07, 2013 at 05:41Hi All,I am having an issue with I2C transmission on the STM32F4. After successfully transmitting an address byte with values of 0xE.. , the ADDR bit (Address Transmission Complete) in the SR1 register is set.How...

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jookhai by Associate
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