My first thought upon reading the title was "lots of embedded/IoT devices do that." Here's an 8051 with embedded 10/100 Ethernet: https://www.asix.com.tw/publi

My first thought upon reading the title was "lots of embedded/IoT devices do that." Here's an 8051 with embedded 10/100 Ethernet: https://www.asix.com.tw/public/index.php/en/product/Microcontrollers/Ethernet_SoC/AX11001 https://www.asix.com.tw/public/index.php/en/product/Microcon...