一个可以基于ROM运行的、可裁减的、抢占式、实时多任务内核，具有高度可移植性，特别适合于微处理器和控制器，是和很多商业操作系统性能相当的实时操作系统(RTOS)-A can be based on uc/os2 ROM running, can cut, preemptive, real-time multitasking kernel, with high portability, is particularly suitable for microprocessor and controller, and a lot of business operating system performance quite a real-time operating system (RTOS)