DES是一种分组密码。假定明文m是由0和1组成的长度为64位的符号串，密钥k也是64位的0、1符号串。...

单片机控制的时钟芯片1302的应用电路及代码-Single-chip clock control chip 1302 and the code of the application circuit

被除数由高到低存于TEMP_STR-->TEMP_STR+4中，除数存于TEMP_STR+10-->TEMP_STR+14中, 运算后商存于TEMP_STR-->TEMP_STR+4中，余数存于TEMP_STR+5-->TEMP_STR+9中 高字节在前 方法：移位相除 10位BCD码除法 XUE:20080729-High to low dividend deposited in TEMP_STR-> TEMP_STR+ 4, the divisor stored in TEMP_STR+ 10-> TEMP_STR+ 14, the operations are kept in after TEMP_STR-> TEMP_STR+ 4, the remainder stored in TEMP_STR+ 5-> TEMP_STR+ 9 in the high byte of the former method: shift 10 BCD division code division XUE: 20080729

A/D测试首先对A/D模块进行初始化操作，当A/D不忙时，进行A/D转化，A/D转化完毕产生中断，并将结果存入数组中。-A/D test first A/D module to initialize the operation, when the A/D not busy when conducting A/D conversion, A/D conversion completion interrupt generated, and the results into the array.

《汇编语言课程设计案例精编》源代码-"assembly language curriculum design case intensive series" source code

IIR型3阶切比雪夫1型高通滤波器的采样频率（Fs)为1200Hz,截至频率为200Hz-IIR-three bands a Chebyshev high-pass filter sampling frequency (Fs) 1200Hz. As the frequency of 200 Hz

利用8051芯片制作一个数字电压表，能够测量电压并用4段数码管显示。-Manufactures a digital voltmeter using 8051 chips, can survey the voltage and demonstrate with 4 sections of nixietubes.

发个嵌入式主板的PCB，不错，很有价值-Fat months embedded motherboard PCB, good, great value

6221mada.asm.........遥控电机程序， 按遥控器0-9步进电机正转0-9步，按遥控器11-19步进电器分别反转 dianji.asm..........步进电机正转，反转各3圈 keyd.asm............步进电机控制程序p3.2正转,p3.3反转,p3.4停止 步进电机接p1.0p1.1p1.2p1.3 abdian.asm...........步进电机正反快慢转！ madatest.asb.............步进电机测试，最简单的转圈程序 -6221mada.asm ......... electric remote control procedures, in accordance with the remote control stepper motors 0-9 to 0-9 are step-by-step, 11-19 step by remote control electrical inversion, respectively dianji.asm ... stepper motor is ....... turn, reversal of the 3 lap keyd.asm ............ stepper motor control program to p3.2 is, p3.3 inversion, p3.4 stepper motor to stop p1.0p1.1p1.2p1.3 abdian.asm ........... then stepping motor speed to the pros and cons! stepper motor test madatest.asb ............., the simplest circular motion the procedures

TC9012编码芯片的编码格式及其解码汇编程序-TC9012

很好的多功能数字钟的HDL代码不可多得的哦-Good multi-function digital clock of the HDL code rare Oh