STM32 MCUs Products

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Problem with the HSI clock on the STM32F091VC

Hello,I use STM32F091VC the from 4 year without problem, I have used more than 20000 STM32F091VC. Recently, I have several STM32F091VC who have a big problem of accuracy on the clock HSI. The error is about 30% ! For exemple, the STM32F091VC give abo...

Arnaud1 by Associate III
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  • 17 replies
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Problems accessing QSI Flash with consecutive reads

I have a Cypress S25FL064 flash memory connected through QSPI interface to a STM32H753.The memory is booting in "single IO" mode (ie. classical SPI protocol with MISO/MOSI signals).In this mode I am able to erase, program and read the memory through ...

Gpeti by Senior II
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  • 5 replies
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Generated LIN break is too short

Hi everybody,I am using STM32G070KB and trying to generate a LIN break. But this seems to be only 10 bits long instead of the described 13 bits. If I am right the break should be about 680µs long at 19.2kBaud. But it is only about 520µs long which is...

FRieb.1 by Associate III
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STM32G474VET6 FMC

All health!I tried to connect the display on ILI9341 to STM32G474VET6 using FMC. There were no problems with stones F1, F3, F4, F7. And with G4, an interesting plug is obtained - for each byte, a 0x00 byte is added. I read Eratu - there is nothing. I...

mlitv.1 by Associate II
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  • 4 replies
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PWM on non PWM pin

I need to generate PWM on a non-PWM pinI know one method is to use an ISR triggered by a timer, but because I need to run the PWM at 10kHz, this will put a huge load on the CPU just to toggle 1 pin.I've seen examples of using DMA to send data to the ...

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how to stabilize ADC output

we are reading pH sensor by using nucleo 32L746RG.even though both VDD and sensor value looks stable on tester like 3.3v+-0.1mv/ 2v+- 1mv, the adc value shows about 10% up/down around the true value.the adc value seems to repeat increasing and decre...

Newcomer questions~Why is there only NVIC with no definition?And where can I find the "user manual" about the Core-CM4 HAL function configure method?

As titled, with little definition, how do I configure the NVIC_Type struct ? Directly use the numbers that are difficult to maintain later? Or in fact they have official definitions, but they were hidden somewhere else ?And another question, where ca...

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ZeroOne by Associate III
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  • 3 replies
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