| 摘要 |
PROBLEM TO BE SOLVED: To provide a data processor capable of using an arbitrary pin of a plurality of pins as a specific I/O port without modifying software, etc. SOLUTION: A plurality of I/O modules 15, 16, 17, which function as the same I/O port, respectively, is provided to the data processor 10. An interruption number and a base address which should be assigned to the respective I/O modules are changed according to contents of an interruption number table 121 and a base address table 122. A sequencer 13 reads interruption number information and base address information from a serial ROM 31 and sets the interruption number information and the base address information in the interruption number table 121 and the base address table 122. Then, CPU 111 is started and an I/O module is controlled using the predetermined specific base address and specific interruption number. COPYRIGHT: (C)2008,JPO&INPIT
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