| 摘要 |
A microprocessor includes: a memory storing a program and various data; a processor core executing the program stored in the memory; an external bus interface serving as an interface portion of an external bus connected to an external device; a test circuit receiving a program counter value of an instruction to be executed by the processor core for outputting a test event signal for testing the microprocessor in synchronization with an operation timing of the processor core; a test event signal output terminal for outputting the test event signal to an external portion of the microprocessor, and an external event request signal input terminal provided for applying the processor core an external event request signal used by the external device to notify an event request with respect to the processor core.
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