STM32 MCUs Products

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STM32 RTC Fixed to 21st Century?

Hey everyone. During my work with the RTC on the STM32H753, I've noticed that you can't set the century or millenium in the Date Register (RTC_DR). Is this correct?Therefore, I can infer that the hardware is hardcoded to work within the 21st Century,...

Is it possible to automate flashing a STM32?

Hi, I've designed a custom board that has a STM32F411 and a STM32f446 on it. I would like to be able to have customers update the firmware on the boards as easily as possible. Currently, I program the chips using an ST-Link but can also program over ...

CDyer.1 by Senior
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  • 11 replies
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error undefined reference

Good morning when compiling a project to which I added files (.h and.cpp) returns the error of "undefined reference" on a function that is in these files. I also add that I added other files (always .c and.h) of which I called a function without havi...

Icont.1 by Associate II
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  • 2 replies
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Resolved! Strange behaviour with STM32G474QE pin PB4

I use pin PB4 on STM32G474QE as normal GPIO output. The external load is ~20kOhm to GND.There is a strange behaviour after reset without any further initialization:1. It seems to be an internal pullup <10kOhm that drives the output to high2. Another ...

SStor by Senior
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  • 5 replies
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STM32F105RCT6 vs GD32F105RCT6

HiDue to a shortage of STM32F105RCT6 we need to use the GD32F105RCT6. So a firmware that is running on the ST MCU needs now to run on the GD MCU. Does anyone know if the GD32F105RCT6 is fully compatible with the STM32F105RCT6?Not just the pinout but ...

EGonc.5 by Associate II
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  • 5 replies
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PWM Output on STM32F031C6TX

HI all,Does anyone know how to configure the One Pulse mode on this chip using the HAL library?I tried producing a constantly on-pulse on a timer by setting the CCR value to be greater than the ARR value. And it produced no outputP.S: I accounted for...