Keil C语言优化手册

C51库只提供长整形乘法，对于超过长整形的计算只能自己编辑软件。-C51 for only provide long-plastic multiplication, long plastic over the calculation only their own editing software.

读写C8051F020内部FLASH的代码-Read and write code C8051F020 internal FLASH

利用单片机的中断口来测PWM码的宽度，通过本实验仪配备的遥控，单片机解码在数码管上显示（图20）。实际应用例如：红外遥控-use SCM I interrupted to test PWM-yard width, the passage of the experimental apparatus equipped with the remote control, microcontroller decoding in a digital display tube (Figure 20). Practical applications such as : infrared remote control

利用c51单片机的定时计数模块进行实现的设置时间到点蜂鸣功能的程序-use c51 SCM regularly counting module to achieve the set time to witness the faint buzzing functional procedures

C Flash Drivers for the AT89C51RD2_ED2_ID2 for Keil Compiler rev 1

电梯的51单片机控制资料(电路图+工程代码)-51 Singlechip elevator control data (circuit diagram+ Project code)

8051-led light-..........................................

多功能按键电子时钟，由两个独立按键分别以单击，双击，长击，联击等功能控制，创意新颖。-Multi-function button electronic clock, respectively, by two separate buttons to click, double, long strike, strike and other functions associated control, creative novelty.

C51源程序和文档-C51 source code and documentation

利用单片机c8051f020由于端口功能很多，需要对端口进行配置。-C8051f020 SCM function as ports, we need the right port setup.