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SPI External Flash Loader for STM32F407VE

I am trying to create external flash loader for STM32F407VE. The flash is w25q64jv - 8MB.I tried to follow the tutorial but since this is QuadSPI and I think STM32F407VE does not support QuadSPI.https://www.youtube.com/watch?v=XqCq0xtQmbI&list=PLnMKN...

MSing.8 by Associate III
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I want to generate a PWM signal using DMA TIMER, in which the duty cylce should change in very frequently. Till 10 times the Duty Cycle changes with out any issues after which when I increase the array size the waveform is getting not correct. Kindly help

DMA config as below hdma_tim.Instance = TIMx_CC1_DMA_INST;   hdma_tim.Init.Channel = DMA_CHANNEL_6;   hdma_tim.Init.Direction = DMA_MEMORY_TO_PERIPH;   hdma_tim.Init.PeriphInc = DMA_PINC_DISABLE;   hdma_tim.Init.MemInc = DMA_MINC_ENABLE;   hdma_...

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JohnsAby by Associate II
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Resolved! Embedded Flash memory in STM32F401xD

The STM32F401xD has 384Kbytes FLASH and the STM32F401xE has 512Kbytes FLASH.Is there a mistake in the reference manual?3.3 Embedded Flash memory in STM32F401xB/C and STM32F401xD/EAccording to the manual STM32F401xD/E have the same number of sectors. ...

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T B by Associate II
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Resolved! STM32H7A3 internal temperature equation Doubt

Hi all,In STM32H7A3 reference manual section 27.4.33 internal temperature sensor equation Temperature in °C = TS_CAL2_TEMP - TS_CAL1_TEMP / TS_CAL2 - TS_CAL1*( TS_DATA - TS_CAL1) + TS_CAL1in Last TS_CAL1 i have doubt because all other H7 family like ...

STM32L476 SPI slave mode with DMA repeated first character

I have a STM32L476 operating in spi slave mode and an embedded linux master. It is meant to offload the contents of a file stored on an SD card. I do this in 2052 byte bursts (2048 data + 4 byte checksum). The very first transfer I send duplicates th...

LM.2 by Associate II
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FLASH is Zeroed Automatically!

helloI am using a STM32f030c8t6. it takes 2 ADC and shows them on a seven segment. I set some parameters in FLASH and save them. my problem is that it suddenly stopped saving values and just returns 0. I noticed this happened just as I detached ADC i...

Ala by Senior
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  • 10 replies
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