W5500 and ST7789V on SPI Bus

Alberk
Posts: 55
Joined: Sat Jun 19, 2021 1:49 am

W5500 and ST7789V on SPI Bus

Postby Alberk » Tue Dec 27, 2022 12:38 am

Hi,
I try to to have Wiznet W5500 SPI Nic on SPI2_HOST and ST7789V screen on the same bus. Both has different CS but same MOSI, MISO and CLK pins. It works but the display comes out corrupted (random pixel of color).

W5500 runs at 12Mhz where as ST7789v runs on 20Mhz or 40Mhz.

Is this supported?

If I put W5500 on SPI2_HOST and ST7789v on SPI3_HOST then it works.
Thank you.

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