The SMSC COM20020I is a 5Mbps ARCNET (ANSI 878.1) controller with 2K x 8 dual-port RAM. It is ideal for industrial/factory/building automation and transportation applications. The controller requires minimal microcontroller and media interface logic and supports flexible interfaces for use with all microcontrollers or microprocessors. It features automatic detection of microcontroller interface type, command chaining for packet queuing, software programmable node ID, support for various network topologies, and more.
