| 摘要 |
PROBLEM TO BE SOLVED: To provide a device controller capable of flexibly corresponding to the addition or change of a control device, in an image system without having to alter microcomputer program. SOLUTION: In the device-control controller having a plurality of device- control procedures 104-106 for controlling a plurality of devices to be controlled 107-109, device-control selecting procedure 102 selecting either of the procedure 104-106 and a serial bus 103 connecting the procedure 104-106 and the procedure 102 to a bus type, the control contents of the procedure 102 and the procedure 104-106 can be changed by the rewriting of data, without altering internal programs.
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