Multiple-task controller having a plurality of task memory input/output devices, input/output processing device, and a plurality of tasks controlled by external devices

摘要

A multiple-task controller includes a plurality of tasks which are controlled with first and second external devices: task memory input/output devices provided respectively for the tasks; a serial input/output processing section and a parallel input/output processing section which process signals transmitted between the first and second external device and the input/output processing section, and perform writing and reading operations with respect to the task memory input/output devices; and a task control section which applies commands written in the task input/output devices respectively to the tasks, and applies the states of process of the tasks respectively to the task memory input/output devices.