Esp-idf 4.4 and Ethernet phy device ksz8091

mrdebug
Posts: 43
Joined: Sat Jul 27, 2019 8:26 am

Esp-idf 4.4 and Ethernet phy device ksz8091

Postby mrdebug » Mon Jan 16, 2023 11:23 am

Hi, the ksz8091 is not officially supported by esp-idf 4.4. The supported devices are ksz8041 and ksz8081.
The ksz8091 has got the same chip id of ksz8041 and ksz8081.
Can I use it as ksz8081? Does someone using it?

ESP_ondrej
Posts: 210
Joined: Fri May 07, 2021 10:35 am

Re: Esp-idf 4.4 and Ethernet phy device ksz8091

Postby ESP_ondrej » Tue Jan 17, 2023 8:39 am

Yes, you can use it. The ESP-IDF PHY driver "runs" the PHY chip only in the basic mode and this is the same for both chips.

Difference between the chips is described here:
https://microchipsupport.force.com/s/ar ... ernet-PHYs

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