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Timer/Usart priority problem

While testing the Blackpill Timers and Usarts I came across this problem. If I set for example 6 timer channels using two timers. (In my case Tim2 and Tim3 and Usart1. If I set all six channels to PWM generation, I find it difficult to dynamically re...

techdesk by Associate III
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Resolved! Pushbutton causing multiple ISR flags (EXT-> PR) to set??

So I have three switches (nothing special just momentary push button) wired into the board PC2, PC3 and PA4. All are using internal pullups. PC2 and PC3 are set for rising / falling trigger IRQs and PA4 is set for falling IRQ. They all have their own...

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SWenn.1 by Senior III
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Odd Behavior of TIM2 PWM Output on STM32U073

In a system using FreeRTOS, there are currently two timers: TIM6 (the timer used by FreeRTOS) and TIM3 (a general-purpose timer). I am not experiencing any issues with these timers, and I can successfully run functions like interrupts. However, whene...

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STM32H7A FMC Common and Attribute Memory Space

Hello. I am working on a project where I need to access an external Flash chip on a STM32H7A3ZIT6 chip. I am trying to use the FMC and I'm just having a hard time understanding it. My biggest lack of understanding is coming in how in the world do I p...

FMC_common_attribute_split.png Screenshot 2024-11-23 162458.png
L42Liam by Associate
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Resolved! Maximum supported resolution for the STM32U5G9?

Hello, I would like to know what is the maximum display resolution that can be supported by the STM32U5G9 chip, I calculated based on the MIPI clock that I can drive a 1024x768 screen at 16 bit, but I am very unsure. Thanks for your help.

Resolved! STM32F407 with LAN8742A custom board init issue

Hi I have created Ethernet custom board using STM32F407 + LAN8742A attached is my schematic design based on Nucleo board for STM32F429ZI.on my custom board MX_LWIP_Init is getting error in HAL_ETH_Init in following section.    /* Wait for software r...

STM32H757: Can't enter Low Power Mode for Cortex M4

GOAL:Currently I am trying to get to know the low power capabilities with the STM32H757I-Eval Board. Therefore I want to write a simple program. I want to use only the Cortex-M4 for this. The program running on m4 should state with an uart message (M...

Michael4 by Associate
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