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Mike Hooper
Senior
since ‎2018-07-19
‎2023-06-14

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  • 47 Posts
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STM32F756VGT6 DFU USB not working

2022-10-21
I have used DFU USB to program hundreds of STM32F7 devices over the past several years. It has worked reliably until the most recent batch of 200 boards using STM32F&56VGT6 devices. We had approximately a 10% failure of the DFU USB connection (USB no...

UART Framing Error immediately after initializing DMA transfer

2021-07-16
I am using the UART4 in DMA mode. But as soon as I initialize the UART in RX mode, I get a framing error that calls the HAL_UART_ErrorCallback Error _Handler which halts the program. Below is my init code./* UART4 init function */ void UART4_Init(voi...

Can I load & run my 192kb program into multiple smaller FLASH sectors?

2021-04-25
Can I load my 192kb program file into multiple smaller FLASH sectors (i.e. Sector 1 (32kb) + Sector 2 (32k) + Sector 3 (32k) + Sector 4 (128k). Can it run from these smaller segments?Guidance appreciated....

STM32F746 Flash Memory Organization?

2021-03-27
The datasheet for the STM32F746VET shows that it has 512k bytes of Flash. But the Reference Manual for the STM32F74xxx shows 1Mbyte of Flash (sectors 0 thru 7). Do we just assume that sectors 6 and 7 don't exist? This seems a bit vague.

Pin Compatible Alternatives to STM32F765VIT6?

2021-02-22
Due to the global chip shortages, we need to purchase a pin-compatible (LQFP100) version of the STM32F765VIT6. Since we don't need the 2k Flash we are looking at the STM32F7767VGT6, or the STM32F746VGT6. Both appear to have the same essential archite...
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