Timer 0 overflow interrupt the experiment, based on the AVR MCU Experimental pro...

字符液晶显示驱动程序，用c语言编程，具体功能见程序。

设计使得原本需要14个IO接口的键盘显示少用了9个单片机IO接口,虽然该设计的优势在本实验中没有完全体现出来,但若在现代工业设计中应用此方案,在对引脚需要较大的产品中其优点将体现得淋漓尽致。.-Design makes the original needs 14 IO interface shows the use of a keyboard 9 Singlechip IO interface, although the advantages of the design in this experiment did not fully reflected, but in modern industrial design in the application of this program in the pairs of primers Products feet larger in its merits and will be reflected most vividly. .

记录切换次数，并通过数码管显示记录到的次数-录 谢 通 示 录 拇

电子秒表的设计 1、用系统8253定时器提供的55ms定时单位，设计秒表定时程序。 2、有关系统定时方法： PC机系统中的8253定时器0工作于方式3，外部提供一个时钟作为CLK信号, 频率：f=1.1931816MHz。 定时器0输出方波的频率:fout=1.1931816/65536=18.2Hz。 输出方波的周期Tout=1/18.2=54.945ms。8253A每隔55ms引起一次中断-Electronic stopwatch design one, using the system timer 8253 provides 55ms timing units, design stopwatch timing procedures. 2, the system timing method: PC system timer 0 of 8253 working in the way of 3, to provide an external clock as the CLK signal, the frequency: f = 1.1931816MHz. Timer 0 output square wave frequency: fout = 1.1931816/65536 = 18.2Hz. Cycle square wave output Tout = 1/18.2 = 54.945ms. 8253A every 55ms caused a disruption

液晶12864驱动c 中英文显示驱动程序-LCD 12864 driver c in both English and Chinese display drivers

在c51下液晶显示块LCD20040411的编程实例。-Under the liquid crystal display in the C51 block LCD20040411 programming examples.

16位10进制除法程序，KEIL51编写，适合单片机运算-16 10 M division procedures, KEIL51 prepared for single-chip computing

c51primer

485单相电能表开发程序，液晶显示。采用AD7755设计，可与掌上电脑连机通信设置各种电能表参数。-485 single-phase energy meter development process, liquid crystal display. Design using AD7755 can be connected Pocket PC communication settings of various parameters of energy meter.

cmx868的应用程序 用于电话机的缴费终端的设计 经过调试 可以应用欢迎大家下载 -cmx868 application fee for the telephone terminal can be applied to the design after debugging welcome you to download