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FDCAN and Display with ILI9341

BNE
Associate II

‎2026-05-20 8:44 AM

Hello,

 

ich set up my project with CubeMX for a CAN-FD (1 MBit/s / 4,8 MBit/s) and a Display for communication. Now i have the problem, that the SCK Signal for the communication looks more like a sawtooth signal than a rectangle. Also the SPI-Prescaler for the baud rate does not affect this signal. i am really confused. I need to use the 48 MHz HSE for my 4,8 MBit/s data phase for CAN-FD.

I use an NUCLEO-C092RC and a LCD Display with ILI9341 (library from Mauro De Vecchi)

Thanks for the help

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mƎALLEm
ST Employee

‎2026-05-20 8:47 AM - edited ‎2026-05-20 8:48 AM

Hello,

Sorry your question is not clear. 

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Please focus on the problem and forget about the unnecessary info.

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