This tutorial starts with a simple conceptual model of an analog Phase-Locked Loop (PLL). Through elaboration it ends at a model of an all digital and fixed-point phase-locked loop. The final model can serve a starting point for code generation (both

EM78P468的4时钟C语音程序，利用TIMER1为中断记数，高频采用PLL方式-EM78P468 4 clock C voice procedure, and use TIMER1 interrupt count, high-frequency mode with PLL