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    • 1. 发明公开
    • Electronic control circuit for preventing abnormal operation of a slave control circuit
    • 用于防止后续控制电路异常运行的电子控制电路
    • EP0288292A3
    • 1990-06-06
    • EP88303628.7
    • 1988-04-21
    • BROTHER KOGYO KABUSHIKI KAISHA
    • Yamakawa, Kiyoshi
    • G06F1/00
    • G06F1/24G06F1/26Y10T307/461
    • In an electronic control system having a main CPU (20) and a slave CPU (40,50) which is under the control of the main CPU (20), a power control circuit (10) is provided between the power source (Vc) and the slave CPU (40,50) to stop supplying power to the slave CPU (40,50) until the main CPU (20) starts normal operation when the power to the overall system is turned on. The slave CPU (40,50) does not start operation until the main CPU (20) becomes capable of normal operation and control over the slave CPU, which prevents unexpected action of the slave CPU and the subordinate control object. The power control circuit (10) is also effective in preventing the abnormal action of the slave CPU when the power to the overall system is turned off. The system is applicable to a system in which the slave circuit is a display driver for a liquid crystal display
    • 在具有在主CPU(20)的控制下的主CPU(20)和从CPU(40,50)的电子控制系统中,电力控制电路(10)设置在电源(Vc) 和从属CPU(40,50),当对整个系统的电源接通时,直到主CPU(20)开始正常操作,停止向从CPU(40,50)供电。 直到主CPU(20)能够正常操作和控制从CPU为止,从CPU(40,50)才能开始运行,从而防止从CPU和下属控制对象的意外动作。 当关闭整个系统的电源时,功率控制电路(10)也有效地防止从CPU的异常动作。 该系统适用于从属电路是用于液晶显示器的显示驱动器的系统
    • 5. 发明公开
    • Electronic control circuit for preventing abnormal operation of a slave control circuit
    • 用于防止相关的控制电路的异常操作的电子控制电路。
    • EP0288292A2
    • 1988-10-26
    • EP88303628.7
    • 1988-04-21
    • BROTHER KOGYO KABUSHIKI KAISHA
    • Yamakawa, Kiyoshi
    • G06F1/00
    • G06F1/24G06F1/26Y10T307/461
    • In an electronic control system having a main CPU (20) and a slave CPU (40,50) which is under the control of the main CPU (20), a power control circuit (10) is provided between the power source (Vc) and the slave CPU (40,50) to stop supplying power to the slave CPU (40,50) until the main CPU (20) starts normal operation when the power to the overall system is turned on. The slave CPU (40,50) does not start operation until the main CPU (20) becomes capable of normal operation and control over the slave CPU, which prevents unexpected action of the slave CPU and the subordinate control object. The power control circuit (10) is also effective in preventing the abnormal action of the slave CPU when the power to the overall system is turned off. The system is applicable to a system in which the slave circuit is a display driver for a liquid crystal display
    • 在具有主CPU(20)和从CPU(40,50),所有这些是主CPU(20),一功率控制电路的控制下,电子控制系统(10)的电源之间(Vc)的 和从CPU(40,50)停止供电给从属CPU(40,50),直到主CPU(20)当电源对整个系统的导通开始正常操作。 从CPU(40,50),直到主CPU(20),变得能够正常操作和控制从CPU,这将阻止从CPU和下级控制对象的意外动作的不启动运行。 电源控制电路(10)是防止从CPU当电源对整个系统的关断的异常操作,以便有效的。本系统适用于其中从电路为液晶显示驱动器的系统 显示