CONTROL DEVICE FOR GAME MACHINE

专利名称：CONTROL DEVICE FOR GAME MACHINE发明人：段上 輝文,藤井 満士,伊藤 一彦申请号：JP2015124984申请日：20150622公开号：JP69536B2公开日：20190213

摘要：PROBLEM TO BE SOLVED: To prevent a fraudulent command from beingexecuted in a memory chip supporting a serial interface without delaying the execution ofa normal command in a control device for a game machine.SOLUTION: A fraudulentcommand detection circuit 38 is provided which is connected in parallel to a serial signalline 36c and monitors a command input to a memory chip 33. When a fraudulentcommand is input to the memory chip 33, a bit pattern included in the fraudulentcommand is detected by the fraudulent command detection circuit 38, and a prescribedterminal of the memory chip 33 is controlled by a latch circuit until a prescribed triggeroccurs. Thus the memory chip is disabled so as to prevent an execution of the fraudulentcommand in the memory chip 33.SELECTED DRAWING: Figure 6

申请人：山佐株式会社

地址：岡山県新見市高尾３６２－１

国籍：JP

代理人：松浦 喜多男,山本 優,岩田 康利

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