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STM32F105 unsigned division wrong result

Hello community,Processor : STM32F105 (Cortex M3)Compiler : GCC 6.3.1I would like to execute the following assembly instruction :udiv R3,R2,R3where :R2 = 64 000 000R3 = 1Instead of getting R3 = 64 000 000, I get R3 = 2047I tried to execute strictly t...

JPasc.2 by Associate II
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DFSDM DMA: Which CPAR register?

Hi - I'm having trouble getting DFSDM input to work with DMA - I'm unable to set the `DMAEN` bit in the DFSDM register.One troubleshooting angle: What register pointer to you pass to the DMA's CPAR? I assume `DFSDM_ FLTxRDATAR` for regular (non-injec...

DOCon.1 by Senior
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Resolved! DMA using USART3 on STM32H7 part

I am trying to get the USART3 to work with DMA, and so far have been unable to. After the initial cubeIDE project setup, I verified that standard (non DMA) RX and TX were working fine.Moving to DMA, I was getting Direct Mode Error interrupts, and a l...

dawime by Associate II
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Can QSPI flash store large program memory code?

 Hi,I am using STM32F746G_DISCO board to create different pages for the LCD. I see only one page with 4 tabs project already takes 300KByte flash memory code space. The STM32F746 only has 1MByte flash. So I like to store the LCD graph code related mo...

JChen.24 by Associate III
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