MikroElektronika ETH 3 Click
Overview
ETH 3 Click is an accessory board in mikroBus™ form factor. It features LAN9250 [2], a 10/100Mbps BASE-T stand alone Ethernet Controller with an on-board MAC & PHY, 16Kbyte FIFO Buffer and SPI serial interface. More information at ETH 3 Click Shield website [1].
 
MikroElektronika ETH 3 Click (Credit: MikroElektronika)
Pins Assignment of the Eth Click Shield
| Shield Connector Pin | Function | 
|---|---|
| RST# | Ethernet Controller’s Reset | 
| CS# | SPI’s Chip Select | 
| SCK | SPI’s ClocK | 
| SDO | SPI’s Slave Data Output (MISO) | 
| SDI | SPI’s Slave Data Input (MISO) | 
| INT | Ethernet Controller’s Interrupt Output | 
Requirements
This shield can only be used with a board which provides a configuration for Mikro-BUS connectors and defines node aliases for SPI and GPIO interfaces (see Shields for more details).
Programming
Set --shield mikroe_eth3_click when you invoke west build. For example:
# From the root of the zephyr repository
west build -b mikroe_stm32_m4_clicker --shield mikroe_eth3_click samples/net/dhcpv4_client