Lattice Semiconductor, a business in low power, small form factor, customisable solutions, is helping engineers quickly implement optical Ethernet designs up to 100Gb/s with the publication of a new reference design for IEEE 802.3 Management Data Input/Output (MDIO) interface controllers.
Reference design RD1194 uses the world’s smallest, lowest cost per I/O programmable platform, the MachXO3 family, or the new ECP5 family. The ECP5 features the industry’s highest functional density with up to 85k LUTs and SERDES in tiny 10mm x 10mm packages. With their small size and low power, MachXO3 and ECP5 devices are perfect for implementing I/O expansion, bridging or connectivity needed to deliver Multi gigabit Ethernet applications such as CFP2/4 modules.
Designers can use the reference design to implement a simple Wishbone user logic interface that enables the user to access the PHY registers. It supports MDIO IEEE 802.3 Clause 45/22 master/slave controllers and features pre-amble pattern selection through the input port.
To learn more, please visit www.latticesemi.com/MDIO
