Two-Wire ETH Click is a compact add-on board with the purpose of a generic interface to many third-party processors in 10BASE-T1S applications. This board features the LAN8651B1-E/LM, a low-power single-port 10BASE-T1S MAC-PHY Ethernet Controller with SPI from Microchip. The LAN8651B1-E/LM combines a Media Access Controller (MAC) and an Ethernet PHY to enable low-cost MCUs access to 10BASE-T1S networks (allows for creating both multidrop and point-to-point network topologies). The simultaneous transfer of both Ethernet transmit and receive packets between the station controller and the LAN8651B1-E/LM is performed over a high-speed Serial Peripheral Interface (SPI), according to the OPEN Alliance 10BASE-T1x MAC-PHY Serial Interface specification. This Click board™ is suitable for functional safety-related applications such as industrial control, process/factory automation, sensor/actuator networks operating at high bandwidth, building automation, and more.