STM32 MCUs Embedded software

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I want to add a USB CDC driver to my application on a STM32F446 (self powered device). However, I had to use the dedicated VBUS pin for another function.

According to https://community.st.com/s/article/FAQ-Management-of-VBUS-sensing-for-USB-device-design the software handling of VBUS presence event needs to be implemented by the customer.How can I implement VBUS sensing on another pin SW wise? VBUS i...

Marcus1 by Associate II
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Resolved! STM32 Ethernet

I use ethernet switch instead of PHY with stm32f4. While RMII pins are connected to STM32, I manage MDIO pins with SPI.There is basic things whic is I can not understand.What is the difference between the autonegation,speed settings in STM32 ethernet...

DCtech by Associate II
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STM32H743ZI2 USB Mass storage newbie question

Hello, I'm attempting to hook a USB flash drive to the STM32H743ZI2 EV board and access it using FatFs from my code.Is this possible ?Are there any examples for this specific board ? couldn't see any under the STM32CubeH7 repository.If so, a project ...

EMich by Associate II
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Comparators vs DWT

Hi guys,i just wanted to mention that there is a ****** in the header files.I am using an STM32G474:Just an example - stm32g474xx.h defines#define COMP3 ((COMP_TypeDef *) COMP3_BASE)And core_cm4.h uses __IOM uint32_t COMP3; ...

Albi G. by Senior
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  • 1 replies
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Linker script for ROM to RAM copying

I am writing a USB MSD bootloader for an STM32L4 processor with 2MB of Flash. The bootloader code will reside in Flash as will the application code. The application code will most likely be larger than 1MB so I’m thinking to have only a single bank. ...

erussell by Associate II
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