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How does FDCAN time stamping work exactly on the STM32H7 ?

The FDCAN module generates timestamps for sent and received messages, and you can configure it to use TIM3 as the source. Unfortunately, the documentation is rather thin, so I am left with a few questions:Do TIM3 and FDCAN need to run from the same c...

K M by Associate II
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  • 2 replies
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Connect SN65DSI83 LCD to STM32F469

Hi, i'm developing a board with 7" lcd (LVDS) so i'm really hesitating about if is right to use a SN65DSI83 for this, my STM32F469IIT6 only have 2 DSI Lanes. I'm connecting the i2c lane from SN65DSI83 to i2c of STM, i just copied the circuit of cm4-b...

Dallton96 by Associate II
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  • 5 replies
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Resolved! AN2867 compatible crystal tables

I am currently choosing an LSE and HSE crystal for an STM32H743 project. AN2867 includes tables of compatible STM32 crystals. There is also a crystal selection tool from ECS which i've used. My question is, after selecting a crystal from the tables, ...

BobaJFET by Associate III
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  • 1 replies
  • 1 kudos

H7 USB doesn't work with Core WFI

The USB Host seems to not work if WFI is executed in the FreeRTOS Idle task.  Is it not possible to use USB with a WFI Core sleep?Thanks for any insight.  A forum search yielded mention of similar problems on other devices (over years!) but no defini...

Resolved! Reinitialize RTC upon watchdog reset

In my application, I have a watchdog timer that resets every 45 seconds if not fed. I also have an RTC. The application records sensor samples, along with timestamps from the RTC.Problem is, when there is a watchdog reset, the RTC is re-initialized t...

STM32F410RBTX_RAM.ld File Missing

I am using STM32F410RB Nucleo Board for my developement. When I am creating new project chossing the same board STM32F410RBTX_RAM.ld Files is Missing. Due to which I am not able to flash my board and getting error.On the other hand I tried selecting ...

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Resolved! Comparator Bug Report on STM32G0

I have configured the comparator 2 PB6 on the STM32G071RB Nucleo board. It is configured for rising edge interrupt.  As soon as HAL_COMP_Start is called on the COMP you can see the EXTI rising edge interrupt flag immediately go high. (well not immedi...

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Carl_G by Senior
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  • 4 replies
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STM32F417 SPI interrupt timing issue

Hello,We have run into some issues regarding SPI in interrupt mode, especially when building with optimizations turned on. We are running SPI at 21MHz.The situation:We transmit one byte using HAL_SPI_Transmit_IT. This immediately triggers a TXE inter...

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Marijn25 by Associate II
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  • 6 replies
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