SCM RS485 communication

DES/3DES算法的C语言实现，我对代码进行优化。只需要几十个字节的内存就可以。很适合用于单片机等下位机使用。-DES/3DES algorithm in C language, I optimized code. Only need dozens of bytes of memory can be. SCM is very suitable for such use under the plan.

摩托罗拉单片机的串行通信查询方式的原代码-Motorola MCU serial communication inquiry of the original code

eeprom24c128读写程序，绝对可靠-eeprom24c128 read and write procedures, absolutely reliable

该程序为USB HUB程序，其作为开发USB HUB类型的产品很有帮助。-procedures for the USB hub procedures, as the development of types of USB hub products helpful.

一份51的编译程序,dos版本的. 英文名字MCS-51 Microcontroller Family Macro Assembler-a 51 compiler, dos version of the. English names MCS-51 Microcontroller Family Ma tis Assembler

在C51下编写的频率计函数，可以对测得输入信号的频率-Prepared in the C51 Cymometer function, can be measured by the frequency of the input signal

用C51制作的红外通讯装置，有详细的源代码，可以直接使用-C51 produced by the infrared communication device, a detailed source code, can be directly used

用51单片机的PWM实现DA -PWM using 51 single chip realize DA

sd2000系列实时时钟芯片应用说明及开发应用程序。-sd2000 serial real-time clock chip application and development applications.

使用cnpic18f452的MS320240Bled初始化，使用PIC_CCS编译-MS320240Bled use of cnpic18f452 initialization, use the compiler PIC_CCS