Esp32 c5 to LAN8720

Azhaque
Posts: 1
Joined: Sat Dec 27, 2025 11:04 am

Esp32 c5 to LAN8720

Postby Azhaque » Sat Dec 27, 2025 11:10 am

Hi
Newbie here.
Can a LAN8720 module be connected to ESP32-C5 devkit? Chatgpt tells me that it cannot be connected directly because the C5 does not have an RMII built into it like the previous versions of the esp32.

Please clarify.
Thanks
Azhaque

Minatel
Espressif staff
Espressif staff
Posts: 432
Joined: Mon Jan 04, 2021 2:06 pm

Re: Esp32 c5 to LAN8720

Postby Minatel » Mon Dec 29, 2025 9:52 am

Hi,

The ESP32-C5 has no Ethernet, as the ESP32 does, so you can't use the PHY on it as you do on the ESP32.
Only the ESP32 and the ESP32-P4 have Ethernet capability with an external PHY.

The alternative is to use an SPI Ethernet IC.

mikemoy
Posts: 687
Joined: Fri Jan 12, 2018 9:10 pm

Re: Esp32 c5 to LAN8720

Postby mikemoy » Mon Dec 29, 2025 4:24 pm


mikemoy
Posts: 687
Joined: Fri Jan 12, 2018 9:10 pm

Re: Esp32 c5 to LAN8720

Postby mikemoy » Mon Dec 29, 2025 4:24 pm


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