【作者】 王锐； 杜高明； 李灏； 朱晓春；

【Author】 Wang Rui DuGaoming Li Hao Zhu Xiaochun Hefei University of Technology, Hefei 230009

【机构】 合肥工大微电子设计研究所； 合肥工大建筑设计院； 合肥工大计算机学院；

【摘要】 本文介绍了控制器傲据流和控制信号译码提前控制操作一个周期的设计方法。第一种设计方法是把芯片划分为控制器和数据通道两大部分分别设计,这种方法使得电路设计简单、易于优化。第二种方法使控制信号提前译码,这增加了建立时间的裕度,有利于电路的频率提升。本文还讨论了MCU核的验证方法和验证方案,这些方法应用于八位微控制器测试芯片的设计中,取得了良好的效果。更多还原

【Abstract】 In this article, we describe two methods to improve micro controller unit (MCU) design. In the first method, chip is divided into controller and datapath and designs for each of them are performed separately, which simplifies the circuit design task and make it capable for optimization. In the second method, we propose an approach to implement the control signal decoding one circle prior to the operation, in which control signal is decoded in advance. We demonstrate that by increasing the remaining of setup time, raising signal frequency is made possible. In addition, we discuss the MCU verification method and verification schedule. The MCU verification, together with the other two methods, has been successfully employed in designing 8-Bit MCU test chips.更多还原