| 摘要 |
PROBLEM TO BE SOLVED: To provide a data communication device capable of stably performing communications even when a line noise is generated. SOLUTION: A DVD microcomputer 10 makes a flash memory 11 collectively store a correction program A2 and a sub correction program A4. Thus, even when correcting both a control program A5 and a sub correction program B1, the correction can be performed with only the DVD microcomputer 10. The amount of data is small because the correction, as well as reading and writing of data, is performed only for the correction program A2 and the sub correction program A4 corresponding to the correction parts of the control program A5 and the sub control program B1, and the operation time can be shortened. COPYRIGHT: (C)2007,JPO&INPIT
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