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    • 9. 发明授权
    • Image forming apparatus for reducing a system return time
    • 用于减少系统返回时间的图像形成装置
    • US06792223B2
    • 2004-09-14
    • US10352594
    • 2003-01-29
    • Kazunori Kobayashi
    • Kazunori Kobayashi
    • G03G1500
    • G03G15/50H04N1/00H04N1/00912H04N1/00928H04N1/0097
    • An image forming apparatus can reduce a system return time by reducing a time required for initialization of peripheral control integrated circuits according to a control program and achieves a low-power consumption so as to improve convenience for a user. A CPU performs a control of the image forming apparatus. A control bus for address and data is controlled by the CPU. A memory is connected to the control bus and is configured to store a control program of the CPU. A reset IC initializes the CPU when a power is turned on. A peripheral control ASIC controls each part of the image forming apparatus in accordance with an instruction of the CPU. An exclusive control bus is connected to the peripheral control ASIC. An operation of the exclusive control bus is started according to an input from the reset IC so as to perform an initializing process of the peripheral control ASIC.
    • 图像形成装置可以通过减少根据控制程序的外围控制集成电路的初始化所需的时间来减少系统返回时间,并且实现低功耗,从而提高用户的便利性。 CPU执行图像形成装置的控制。 用于地址和数据的控制总线由CPU控制。 存储器连接到控制总线,并被配置为存储CPU的控制程序。 当电源打开时,复位IC初始化CPU。 外围控制ASIC根据CPU的指令控制图像形成装置的每个部分。 专用控制总线连接到外围控制ASIC。 根据来自复位IC的输入开始专用控制总线的动作,以进行外围控制ASIC的初始化处理。