Renesas announced the RX72N Group and RX66N Group of 32-bit microcontrollers (MCUs), new additions to the RX Family that combines equipment control and networking function on a single chip. Built around the Renesas proprietary RXv3 CPU core, the RX72N features a maximum operating frequency of 240 megahertz (MHz) and two Ethernet channels, and the RX66N features a maximum operating frequency of 120 MHz and one Ethernet channel.