摘要
介绍了MAX7219的功能和应用;重点介绍了MAX7219的工作原理。最后给出了用一片MAX7219驱动8位7段共阴极LED数码管的硬件电路和汇编程序。
The functions and applications of MAX7219 are introduced in this paper.The operating principle of MAX7219 is presented.Finally,the hardware circuit and assembly programm of 8-bit of seven segments drived by MAX7219 are given.
出处
《国外电子元器件》
2008年第10期89-91,共3页
International Electronic Elements