Output input control apparatus and control method thereof
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United States of America Patent
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Dec 15, 2015
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N/A
app pub date -
Feb 8, 2013
filing date -
Mar 3, 2012
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Abstract
An output input (I/O) control apparatus and a control method thereof are provided. The I/O control apparatus includes an interface control unit, a read-only memory, a random access memory, a multiplexer and a micro-process unit. The interface control unit is coupled to a memory apparatus through a bus, and the memory apparatus is external to the I/O control apparatus. The read-only memory stores judgment codes. The multiplexer is controlled by the micro-process unit to switch to the interface control unit, the read-only memory or the random access memory. When the bus is not busy, the micro-process unit can read data from the memory apparatus. When the bus is occupied and busy, the micro-process unit can read and execute codes from the read-only memory or the random access memory so as to avoid computer system instability or thermal damage.
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