Search - clock-C51

Search - clock-C51 - List

[Other] I2C_C51 DL : 0: #include "intrins.h" unsigned char SystemError sbit SCL= P1^6 //定义串行时钟线所在口使用时根据自己的需要 sbit SDA= P1^7 //定义串行数据线所在口使用时根据自己的需要 #define SomeNOP() {_nop_() _nop_() _nop_() _nop_() }-# include "intrins.h" unsigned char Syste mError sbit SCL = P1 ^ 6// definition serial clock line where I use according to their needs sbit SDA P1 = ^ 7// definition of serial data lines where I use according to their needs# defin e SomeNOP () (_nop_ () _nop_ () _nop_ () _nop_ (
Date : 2025-12-23 Size : 224kb User : zhusheng
[Other] C51 DL : 0: MCS-51单片机内部结构存储器特殊功能寄存器时钟电路和复位电路引脚-MCS-51 single chip special function registers the internal structure of memory, clock circuit and reset circuit pin
Date : 2025-12-23 Size : 558kb User : 谢
[Other] pingyuji-biyesheji DL : 0: 在电子技术中，频率是最基本的参数之一，并且与许多电参量的测量方案、测量结果都有十分密切的关系，因此频率的测量就显得更为重要。为了实现智能化的计数测频，实现一个宽领域、高精度的频率计,一种有效的方法是将单片机用于频率计的设计当中。本课题介绍以51单片机作为核心器件，另外还包括信号输入、信号放大、信号选择、时钟提供、数据显示等功能模块的数字频率计的设计方法。频率计的硬件电路是用Protel绘图软件绘制而成，软件部分的单片机控制程序，是用C51语言编写而成。由于本设计采用了模块化的设计方法，提高了测量频率的范围。-Among electronic technology, frequency is one of the most basic parameters, and result of measuring have a very close relation to a lot of electric parameters, so the measurement of frequency seems even more important. In order to realize the counting of intellectuality examines frequently, realize a wide-range, high-accuracy cymometer, an effective method is to use one-chip computer for the design of the cymometer. This subject recommends regarding 51 Single-Chip computer as the key device, include signal input, signal amplify, signal choose, clock offer, data person who reveal function digital design method of cymometer of module still in addition. The hardware circuit of the cymometer is drawing with Protel mapping software, the one-chip computer control procedure of the software part, wrote the assembler language. Because originally design the design method to adopt module, improve the range of measuring frequency.
Date : 2025-12-23 Size : 200kb User : c51com