STM32 MCUs Products

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Debugger *.elf file erase the data.

I use NUCLEO-H743ZI with TrueSTUDIO.I write some datas to flash memory 0x081e 0000 (bank=2,sector=7).This address is separate from the program downloaded,but when I start Debugger, *.elf file erase the data.What's the problem?I confirmed the data is ...

roboSaga by Associate II
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Resolved! STM32F413 DMA1 peripheral restrictions?

I'm having trouble understanding this from the datasheet and reference.What peripherals are allowable targets for DMA1 memory-to-peripheral transfers?Thanks, Best Regards, DavePS: I tried to use a stream in DMA1 to write to a DMA control register, an...

PMOD interaface sample pin configuration code

Hi Team,Am working with STM32L4R9 Discovery board,In this SOC, PMOD interface is configured to UART in defaultWhen am trying to use this a SPI interface, am facing issueCan you pls share me the sample pin configuration for PMOD connection to configur...

AGumm by Associate II
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Timer 2 - STM32F427ZIT6

Hello.I try timer 2 on STM32F427 and I have a problem. It ticks too quick.Here is my system clock. I have external crystal: 25MHzClock I want to: 168MHzvoid SystemClock_Config(void) { uint32_t i;   LL_FLASH_SetLatency(LL_FLASH_LATENCY_5);   if...

Performance Optimization of software

I am using STM32F070 controller. Currently, I am in need of improving performance of the software. I tried to do some measures such as optimization of my code itself and raising the optimization level of compiler to -Ofast. However, I need to gain mo...

Vvine by Associate II
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What happened to FSMC?

Many of the "older MCUs" like STM32F4xx had an FSMC. I've been thinking about switching to the newer STM32F7xx and have bought a Discovery board for STM32F7508, but there are no references to FSMC in the documentation. Apparently F765/7/8/9 have a "F...

DRobe.4 by Senior
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Resolved! Are the VSS and AVSS pins internally connected?

Hello community, I have a little doubt. Are all the GND pins internally connected inside the microcontroller? Is the analog reference (AVSS) internally connected with the digital one (VSS)? If it not, how is the isolation between them?I don't know wh...

Luis Ber by Associate II
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