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Single-pair function board from MicroMod

Sparkfun's ultra-low power Ethernet function board is the result of a collaboration with Analog Devices, Harting and Würth Elektronik.

SparkFun's MicroMod COM-19038 function board introduces the ADIN1110 10BASE-T1L two-wire Ethernet protocol to the SparkFun MicroMod ecosystem. Utilizing the ADIN1110 Ethernet transceiver from Analog Devices Inc. the feature board provides a development tool for single-pair 10BASE-T1L Ethernet 10BASE-T1L long-range 10Mbps applications.

The SparkFun MicroMod for single-pair Ethernet is equipped with the industrial single-pair Ethernet connector Harting T1 and passive components from Würth Elektronik. All of this is housed on the MicroMod board, which can be easily added to the MicroMod system via the M.2 connector - plug-and-play, no soldering required.

The ADIN1110 is a single-port, two-wire Ethernet transceiver with ultra-low power consumption. It features a built-in Media Access Control (MAC) interface that provides a direct connection to the host controller via Serial Peripheral Interface (SPI) at 10 Mbps in full-duplex mode. The specified cable length for edge nodes is up to 1700 meters.

The Ethernet 10BASE-T1L uses a single twisted pair for data and power. This function board is not designed to carry power over the cable. It is designed for long distance connections with reduced cable weight and increased connector integrity for edge node devices in applications such as industrial plants and field devices. Ethernet 10BASE-T1L is IEEE 802.3cg compliant, supports high bandwidth up to 10 Mbps, and transmits and receives data over Ethernet connections longer than 1 kilometer.