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用于控制电压位准之方法及设备

申请公布号:TW200641597

申请号:TW095109937

申请日期:2006.03.22

申请公布日期:2006.12.01

申请人:
ARM股份有限公司

发明人:锺怡康

分类号:G06F1/32(2006.01)

主分类号:G06F1/32(2006.01)

代理人:蔡坤财;李世章

地址:英国

摘要:一种电压位准控制装置,其可运作以控制一自一第一电压位准来源供应至电路之电压位准,该电路经排置于该第一电压位准来源与一第二电压位准来源之间,该第一及第二电压位准可运作以输出不同的电压位准;该电压位准控制装置包含:一电力电晶体,其可运作以连接于该第一电压位准来源及该电路之间,该电力电晶体包含一可运作以接收一睡眠信号之睡眠信号输入;一切换装置,其系以并联方式与该电力电晶体排置,并且包含一可运作以接收一虚拟(pseudo)睡眠信号的睡眠信号输入;其中该电压位准控制装置可按照该睡眠信号及该虚拟睡眠信号而运作,以将一输出电压输出至该电路,该输出电压包含三个电压位准之其中一者,该等三个电压位准位在由该第一及该第二电压来源所输出的电压位准之间。

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