| 摘要 |
PROBLEM TO BE SOLVED: To save the wiring by multiplexing the signals of a signal output section and a signal input section, in a communication controller consisting of a plurality of distributed signal output sections and signal input sections.SOLUTION: A controller having a plurality of signal input/output sections includes a plurality of pairs of signal input/output sections performing transmission and reception of signals via a common signal line, switching means arranged corresponding to the plurality of signal input/output sections, respectively, and switching the connection and non-connection of each signal input/output section and the signal line, means for generating a synchronization signal, and switching control means for switching a pair to be connected with the signal line, by controlling the switching means so that signal input/output sections constituting one pair, out of the plurality of pairs, are connected simultaneously with the signal line for a predetermined period, in synchronism with the synchronization signal. |
