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1. 发明申请

WO2015040454A1 ELECTRONIC DEVICE HAVING MULTIPLEXED INPUT/OUTPUT TERMINALS 审中-公开
标题翻译：具有多路输入/输出端子的电子设备
公开(公告)号：WO2015040454A1
公开(公告)日：2015-03-26
申请号：PCT/IB2013/058638
申请日：2013-09-18
申请人： FREESCALE SEMICONDUCTOR, INC. , LITOVTCHENKO, Vladimir , KRUECKEN, Josef Maria Joachim
发明人： LITOVTCHENKO, Vladimir , KRUECKEN, Josef Maria Joachim
IPC分类号： H03K19/0175 , H03K19/173
CPC分类号： G06F11/3051 , G01R31/31723 , G06F11/2221 , G06F11/3041 , H03K5/04 , H03K19/1737
摘要： An electronic device (200) has terminals (202) for interfacing internal signals to other electronic devices. Each terminal is electrically coupled to a terminal driver (203) and a terminal control circuit (212) for receiving a terminal configuration defining the properties and multiplexing of the terminal. The actual configuration of the terminal driver is set according to the terminal configuration. The device has at least one terminal checker (204,204') arranged for comparing the actual configuration to at least one check configuration, the check configuration defining a configuration of the terminal driver that is either allowed or not allowed, and for, when said comparing indicates a not allowed configuration, setting the actual configuration to a default configuration. Advantageously safe operation of the device in a system is achieved by monitoring the configuration of the multiplexed terminals, and switching to a default configuration when in error.
摘要翻译：电子设备（200）具有用于将内部信号与其他电子设备接口的终端（202）。每个端子电耦合到终端驱动器（203）和终端控制电路（212），用于接收定义终端的属性和复用的终端配置。根据终端配置设置终端驱动程序的实际配置。所述设备具有至少一个终端检查器（204,204'），用于将实际配置与至少一个检查配置进行比较，所述检查配置定义终端驱动器的配置，所述配置被允许或不被允许，并且当所述比较指示一个不允许的配置，将实际配置设置为默认配置。通过监视多路复用终端的配置，并且在错误时切换到默认配置，可以实现系统中设备的安全操作。

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