Protel元件？

51单片机模拟串口SPI方式接收和发送数据-51 single-chip analog SPI serial receive and send data

FREESCALE 16位单片机片MC9S12DG128的键盘驱动程序,键盘缓冲区大小可设,支持按键的快加快减操作-SCM MC9S12DG128 keyboard driver, keyboard buffer size can be installed to support the button to accelerate quickly to reduce operating

用于手持时钟受时，时钟芯片的工作稳定性，以D18B20温度传感器的采集，微调时钟芯片的内置电容，改变震荡频率-For hand-held by the clock, the clock chip of job stability to temperature sensor D18B20 collection, fine-tuning of the built-in clock chip capacitors to change the vibration frequency

单片机TCP/IP源代码-SCM TCP/IP source code

AT91所有开发板的资料 AT91所有开发板的资料-porting all development board all the information porting Development Board of porting all of the information development board

C8051F52xA_53xA型单片机的串口驱动源码-C8051F52xA_53xA-based single-chip serial driver source code

51单片机定时器初值计算软件，很有用的工具-51 SCM timer initial calculation software, very useful tool

51开发板调试程序，包括LED驱动接口，串口，AD/DA,EEPROM，蜂鸣器，键盘以及16*2LCD驱动模块，并提供单字节和字符串显示接口-51 development board debugger, including the LED drive interface, serial, AD/DA, EEPROM, buzzer, keypad and 16* 2LCD driven module, and provides single-byte and string display interface

C51只提供长整形除以长整形数据，现已经有函数（经过长期验证）6字节数除以整形数据。-C51 only provide long-divided by a long plastic plastic, are already function (with a long track) 6-byte data divided by plastic.