An optimized design of microprogrammed control unit including the predicted unit 支持預取的微程序控制器的一種優化設計
A typical calculator chip from rcl semiconductor inc , c9821 , is referenced and developed . the chip of the calculator consists of several function units such as rc oscillator , power management module , microprogrammed control unit ( mcu ) , register group , lcd driver and keyboard interface 在硬件方面,在完成計算器的功能模塊劃分的基礎上,對包括rc振蕩器、電源模塊、 lcd顯示驅動模塊、鍵盤接口、寄存器組、微程序控制器在內的各個功能模塊的系統結構和電路原理進行了分析,掌握了它們的設計方法。