《多功能电能表通信协议》补充文件（修改），DLT

・单片机系统中的汉字显.. ・c51的usb的通信.. ・ADC0809做的数.. ・基于avr单片机系统.. ・单片机usb2.0 ・单片机系统中的汉字显.. ・c51的usb的通信.. ・ADC0809做的数.. ・基于avr单片机系统.. ・单片机usb2.0 -SCM system of Chinese characters .. c51 marked the usb communications .. ADC0809 so few .. avr microcontroller-based system .. USB 2.0 SCM SCM system of Chinese characters .. c51 marked the usb communications .. ADC0809 so few .. avr microcontroller-based system .. USB 2.0 Microcontroller

单片机C8051F040与MAX5322（D/A芯片）的应用程序-C8051F040，MAX5322

51自制编译器。本资料免费提供，但作者仍保留版权，未经本人允许，请勿随意传播。任何人可以研究本资料的源程序及电路图以学习本编程器的制作思路，但不可以任意改造并用于商业用途。否则作者将会追究其责任。各位同仁请自觉遵守。-51 homemade compiler. This information is free, but the author retains the copyright, without my permission, do not circulate freely. Any person can examine the source of the information and to learning the circuit for the production of programming ideas, but not arbitrary transformation and for commercial purposes. Otherwise, the author will be held accountable. Colleagues invite you consciously observe.

该程序支持凌阳单片机的编译环境,主要实现对单片的某个端口进行置位-supported Sunplus the MCU compiler environment, the main achievement of a single portal in the home-

8051运算类子程序，包括双字节乘法子程序、多字节数乘10子程序、多字节无符号数出除法子程序、多字节ＢＣＤ码减法子程序、多字节ＢＣＤ码取补子程序、多字节ＢＣＤ码左移十进制一位（乘十）子程序。-8051 subroutine computing category, including double-byte multiplication subroutine, multi-byte count by 10 subroutines, multi-byte unsigned number of the division subroutine, multi-byte BCD subtraction subroutine code, code access multi-byte BCD complement subprogram, multibyte BCD code to the left of a decimal (by ten) subroutine.

单片机通过SPI读写SD卡.使用5v系统操作3.3V的sd卡.很有借鉴价值-SCM SPI literacy through SD cards. 5v use of the system 3.3V sd card. Very valuable reference

mps430轻松上手，十天精通，针对2008湖北省电子设计大赛总结-mps430 easy to use, proficient in 10 days for the 2008 Electronic Design Competition summary of Hubei Province

atmega16L的LCD经典试验已经通过验证-atmega16L the LCD classic trials have been validated

时钟芯片DS1302的设置、读取和测试程序-DS1302 clock chip settings, read and test procedures

基于89S51的称重系统，ADC0809加LED数码管动态显示-devised based on the weighing system, Connection between ADC 0809 plus digital LED control Dynamic Display