摘要 |
<P>PROBLEM TO BE SOLVED: To provide an interruption control circuit for determining whether or not there is another masked interruption request while waiting for use permission of a function necessary for interruption processing. <P>SOLUTION: An interruption control circuit 120 controls a plurality of interruption requests with regards to interruption processing executed by a processor 110. The interruption control circuit 120 comprises: an interruption control module unit 150, which is detection means for detecting whether or not there is an interruption request masked by the interruption processing while executing the interruption processing; and a priority mask flag 140 for indicating whether or not there is the interruption request. By this configuration, it is possible to easily detect whether or not there is another masked interruption request. <P>COPYRIGHT: (C)2012,JPO&INPIT |