Ethernet PHY Wiring

By connecting an Ethernet PHY such as LAN8720 to the ESP32, the ESP32 can be used via wired LAN. You can connect to the Internet with

Available Ethernet PHYs

  • LAN8720
  • TLK110

Wiring

LAN8720

Reference Circuit: https://www.olimex.com/Products/IoT/ESP32/ESP32-GATEWAY/open-source-hardware

ESP32 GPIOLAN8720
5RESET(This is not on LAN8720)
23MDC
18MDIO
17CLKIN
19EMAC TXD0
22EMAC TXD1
21EMAC TX EN
25EMAC RXD0
26EMAC RXD1

Network settings in the above case


PhyAddr:0
ClockMode : 3
PowerMode : 5
MDC GPIO : 23
MDIO GPIO : 18
CHIP : 0

TLK110

There are no references.