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STM32 trying to get uasart to transmit

Hello, I wanted to upgrade my simple blinky program with the usart 2, so that it sends a simple 'B' over the serial port to my PC. I am using a Nucleo-F334R8. In the datasheet it says usart2 is connected with the USB port.Here is my code, that is not...

Facing issue while flashing code in STM32H745 Disco board?

Hi , I am trying to flash my code of GPIO toggle into the STM32H745 Disco board,but it is giving the error .While building the project I have seen an error "GPIO_CM4\GPIO_CM4.sct(7): error: L6235E: More than one section matches selector - cannot all...

psiva.13 by Associate II
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The question pertains to maximum rise time specification for STM32L151CC OSC32_IN when Low-speed external user clock is generated from an external source.

The question pertains to maximum rise time specification for STM32L151CC OSC32_IN when Low-speed external user clock is generated from an external source. This specification, according to the datasheet, is 10 nano seconds. This seems unreasonably fas...

faizal by Associate
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STM32H753AI Recommended Footprint

Hello,In the STM32H753AI datasheet, there are footprint guidelines for all the packages, except for the UFBGA169 (see attached image).Has anyone built a board with this package? Where did you find any info on this type of package?Is there a database ...

Yan Rosh by Associate II
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I2C Library for PCA9685 won't work

I'm creating an I2C library for PCA8596 to control servos using STM32F4 Discovery as master. I already checked the PCA using arduino, and it worked. It also compiled well and can be uploaded.The problem is the SCL and SDA from the stm didn't generate...

Uwii by Associate
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AN4861 for 'H7

ST,Please update AN4861 for 'H7Please link to AN4861 from the 'H7 product folder webpagesPlease fix links to AN4861 on forum - those given by Amel and Imen are usually broken, you can find them by searching for DM00287603Thanks,JW