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Apparatus and method for extending frequency range of a circuit and for over-clocking or under-clocking
Apparatus and method for extending frequency range of a circuit and for over-clocking or under-clocking
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机译:用于扩展电路的频率范围以及用于超频或欠频的设备和方法
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摘要
Described is an apparatus for over-clocking or under-clocking, the apparatus comprises: a locked loop (e.g., phase locked loop or frequency locked loop) having a feedback divider, the locked loop to receive a reference clock and to compare it with a feedback clock which is output from the feedback divider, and to generate an output clock; a post locked loop divider, coupled to the locked loop, to receive the output clock and to generate a base clock for other logic units; and a control logic to adjust first and second divider ratios for the feedback divider and the post locked loop divider respectively for over-clocking or under-clocking the base clock such that the locked loop remains locked while being over-clocked or under-clocked.
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