STM32 MCUs Products

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Can't write to CM4 core

I have an stm32h745zit6 on my own board, where I can write correctly to the CM7 section (0x0800 0000 to 0x080F FFFF range) but not to the CM4 section (0x0810 0000 to 0x081E FFFF range), I also can't do a full erase of the chip, and it will give me an...

Skippy by Associate II
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  • 5 replies
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Can NAND flash be used with STM32L475VGT6

I want to used NAND Flash with QSPI interface in STM32L475VGT6. Its not clear in the datasheet if NAND can be used on one page NAND driver shows up on block diagram and another one under the revisions of the part it says NAND has been removed.Can you...

BBV by Associate II
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  • 2 replies
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STM32 Confusing users with description of Vref and VDDA

Hi,in my opinion there is some confusion in description of VREFINT_CAL and VREFINT_DATA to determine VDDA.My opinion: One determines VREF, not VDDA. One does not need to know VDDA in respect to measured values by ADC. One must know VREF (no matter if...

JuM by Senior
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  • 3 replies
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ADC Sampling Without Any Delay For 1 Minutes

I need to save adc data for 1 minutes. I am using ADC interrupt for 2651 sample per second. I have 2 buffer on adc interrupt. In main, in the while section if flag is 1 i am writing adc1 buffer values to sd card with dma. If flag is 2 i am writing ad...

D.K. by Associate II
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  • 0 replies
  • 0 kudos