简易系统级芯片内置高精度阻容振荡器的校准方法Calibration method of high-precision RC oscillator built in a simple SoC
张岩松,梁步阁,赵党军,杨德贵
摘要(Abstract)：
通过实验探究一种适用于超大规模集成电路(VLSI)领域系统级芯片片内阻容(RC)振荡器的校准方法。针对集成电路内部阻容振荡器输出时钟频率容易出现温漂、工艺离散导致不精确等现象,通过改良片内时钟校准逻辑,得出一种易于实现的、高效的、低成本的、可靠的方法。经试验验证,该方法可以有效保证振荡电路的输出精度,解决工艺、温度、电压等改变引起振荡器输出频率变化的问题。
关键词(KeyWords)： 超大规模集成电路;系统级芯片;高精度校准;阻容振荡电路;时钟校准逻辑;频率变化
基金项目(Foundation): 湖南省自然科学基金(14JJ3024)~~
作者(Author): 张岩松,梁步阁,赵党军,杨德贵
DOI: 10.16652/j.issn.1004-373x.2018.16.008
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