Patent
1997-01-27
1999-08-17
Heckler, Thomas M.
G06F 108
Patent
active
059406070
ABSTRACT:
A device and method for automatically selecting a CPU (central processing unit) driving frequency may include one or more of frequency selecting apparatus that receives a control signal, and outputs a selection signal, clock supply apparatus that receives the selection signal from the frequency selecting apparatus and outputs an external supply frequency, a CPU that receives the external supply frequency from the clock supply apparatus and the selection signal from the frequency selecting apparatus, and operates by determining the internal operation frequency, and frequency selection controlling apparatus that receives an output signal from the CPU and outputs the signal controlling the frequency selecting apparatus. Since the present invention selects and supplies the appropriate frequency to the CPU after identifying an ID (identification) of the CPU, it has no trouble in selecting an appropriate frequency.
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Bushnell Esq. Robert E.
Heckler Thomas M.
Samsung Electronics Co,. Ltd.
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