For IoT, Silicon Labs Buys RTOS Vendor Micrium

Silicon Labs announced Monday the acquisition of Micrium, a supplier of real-time operating system software. The move effectively positions Silicon Labs as the only IoT chip vendor offering multiprotocol wireless MCUs complete with an embedded RTOS.

from EETimes: http://www.eetimes.com/document.asp?doc_id=1330564&_mc=RSS_EET_EDT