通过51控制8155，再将LED和键盘连接到8155上，来实现LED和键盘的正常工作...

实现2*2键盘扫描，使用的扫描方式为行列扫描法-Realize 2* 2 keyboard scan, used for scanning the ranks of scanning method

自己编写的作息时间表单片机程序,比如说8点上课,铃声响,8点10秒铃声停止,8点50下课铃声响......此程序可管理学校电铃,以及其他要求作息时间的场合-Their written work schedule SCM procedures, such as 8 o" clock class, a bell rang, 8 Dian 10 seconds ring tones stop, 8:50 after class ring ring ...... this procedure to manage the school bell, as well as other requirements of work and rest time occasions

实现H.264图像编结吗的优化，重点对DCT模块以及先行预测模块进行-achieve H.264 image of knitting? Optimization, with a focus on the DCT module and module to forecast

包括多种12864的驱动程序，有用51写的，有其他的汇编，希望对大家有帮助-Including a wide range of 12,864 drivers, a useful 51 written have other compilation, and they hope to have everyone help

it is about resturant billing software which help us to use billing software in resturant

编写一个函数，输入为偶数时，调用函数求,当输入为奇数时，调用函数1(利用指针函数)-The preparation of a function, even when the input, call function for, when the input is odd, one function call (using indicator functions)

一个汇编语言集成开发写平台,对初学汇编有一定的帮助,是一个压缩包,直接解压即可(不需解压密码)-a compilation of written language integrated development platform for beginners compilation is certainly helpful, is a compressed, can be extracted directly (without extracting passwords)

software UART using one wire

ch451显示和四位共阴极数码管1234-ch451 four common cathode display and digital tube 1234

实例为新手提供msp430开发注意事项，熟悉IAR编辑环境.-Provide examples for new MSP430 development of attention editor familiar with the IAR environment.