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EXTERNAL INPUT/OUTPUT DATA CONTROL APPARATUS IMPROVING SYSTEM PERFORMANCE USING AUTOMATICALLY SET CONTROL PARAMETERS AND METHOD THEREOF
EXTERNAL INPUT/OUTPUT DATA CONTROL APPARATUS IMPROVING SYSTEM PERFORMANCE USING AUTOMATICALLY SET CONTROL PARAMETERS AND METHOD THEREOF
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机译:外部输入/输出数据控制设备使用自动设置的控制参数来改善系统性能及其方法
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摘要
A device and method for controlling external input/output data is provided to add a logic for automatically setting control parameters in order to access an external input/output device after a system power is turned on. A system bus interface logic(210) receives system bus interface signals, latches and outputs the signals. A timing and controlling register(220) stores default control parameter(DCP) information and final control parameter(FCP) information. An input/output controlling logic(230) performs an initial setting procedure using the default control parameter(DCP) information, extracts the final control parameter(FCP) information for accessing an external input/output device, and stores the final control parameter(FCP) information in the timing and controlling register(220). The input/output controlling logic(230) controls the access to the external input/output device according to an interface signal outputted from the system bus interface logic(210).
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