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片机电子钟的计时脉冲基准是由外部晶振的频率经过12分频后提供，采用内部的定时/计数器来实现计时功能。所以，外接晶振频率精确度直接影响电子钟计时的准确性。 -Machine electronic time clock pulse baseline is by an external crystal oscillator frequency, after 12 minutes after the frequency, using an internal timer/counter to achieve the timing function. Therefore, the external crystal frequency accuracy of a direct impact on the accuracy of the electronic time clock.

汇编课程设计显示彩色矩形块-compilation curriculum design rectangular blocks of color show

微型数字键盘的代码-micro-numeric keypad code

两位十进制数的四则运算，用菜单控制，减法支持负数，除法有8位小数。-two decimal number of four computing, using the menu control, subtraction support negative, the division has eight minority.

汇编语言 封装的输入输出函数 可以直接调用-Assembly language package input and output functions can be directly invoked

将data分段 经BPSK仿真 分段可加快仿真速度(BPSK simulation of the data by sub-section can speed up simulation speed)

U盘原代码,包括FAT16和USB的所有东东都是开放的,请认真看呀.-U disk source code, including FAT16 and USB all Dongdong are open, please carefully looked.

《三相交流异步电动机SVPWM开环调速控制程序（软件法）》 .include "240x.h" 寄存器地址 .global _c_int0 全局化标号 - Three-phase AC induction motor open-loop speed control SVPWM control program (software method) . Include 240x.h register address. Global _c_int0 overall grade of

RS232中断通信-RS232 communication disruption

C8051F020控制语音芯片的汇编语言程序。已测试通过。(C8051F020 chip voice control assembly language program. Have been tested.)