周立功的SD卡源代码,请大家参考,希望对大家有所帮助,

单片机学习的好资料，希望能帮助到需要的朋友-Single-chip learning good information, hoping to help a friend in need

很多8051的例子，对初学者而言，很有用！-many examples of 8051, for beginners, very useful!

CAN控制单片机扩展板电路原理图，比较实用。-Single-chip CAN to control the expansion of the circuit board schematics, more practical.

使用ADC模块的通道0、1进行电压的测量，然后将转换结果从串口输出。-0,1-channel ADC module used for voltage measurement, and then convert the results from the serial port

LCD7920汉字液晶操作程序，已经在产品使用中，-LCD7920 LCD characters operational procedures, already in use in the product,

移植到51单片机的UIP代码，可以用51实现TCP/IP功能-Transplanted to 51 Singlechip UIP code, can be used 51 achieve TCP/IP functionality

1602字符型液晶屏的c51驱动程序,详情见文件-1602 character LCD screen c51 driver, as detailed in the file

对于没有i2c接口的单片机来说，要用标准i2c器件通讯来说只能通过软件模拟了 本程序提供几个最高效的函数实现其功能，新方法，更高效-For there is no single-chip interface for i2c, i2c devices use standard communications software simulation run only through the procedures provided by several of the most efficient function to achieve its function, new methods, more efficient

C8051F020串口程序，波特率96-C8051F020 serial procedures, baud rate 9600

凌阳单片机的语音程序6，供学习凌阳单片机的学习者参考-Sunplus SCM procedures voice 6 for learning Sunplus SCM reference learners