| 摘要 |
A data processing device (302) used in a serial communication system, in which a communication is carried out with a host computer (300) via a serial interface includes: a central processing unit (310) for executing a process operation with respect to a bus event; an interrupt mode setting unit (308) for previously setting any one of a first interrupt mode and a second interrupt mode every bus event; and a process executing unit (308) for executing either a process made of the first interrupt mode or a process made of the second interrupt mode based upon a content previously set by the interrupt mode setting unit when a bus event occurs.
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