This document is both a tutorial and a reference tool. The various chapters of the document will explain the 8051 step by step. The chapters are targeted at people who are attempting to learn 8051 assembly language programming. The appendices are a u

基于汇编语言开发设计DAC1210与CPU 8051/52的接口电路，输出0-5V的周期锯齿波，频率可调，并提供DAC0832的仿真电路，可在proteus软件上结合示波器进行仿真模拟，供大家进行基础学习选择使用。.(Based on assembly language, we develop and design the interface circuit between DAC1210 and CPU 8051/52, output the periodic sawtooth wave of