NORTi3 is a realtime multitasking operating system conforming to the micro-ITRON 3.0

specification. NORTi3 is divided into two packages: NORTi3 Standard and NORTi3 Extended. The

product NORTi3 Extended has implemented all the system calls of level E placed as \"added and

extended functions” in the micro-ITRON specification as well as the system calls equivalent to level X.-NORTi3 multitasking is a realtime operating system conforming to the micro-ITRON 3.0 specification. NORTi3 is divided into two packages : NORTi3 NORTi3 Standard and Extended. The product NORTi3 Extended has implemented all the system calls of level E placed as "added and extended functions "in the micro-ITRON specification as well as the system calls equivalent to level X.