74HC244和74HC164与串行口实现多个LED显示的一种简单方法-74HC244 and 74HC164 serial interface with a number of LED display, a simple method

此PDF文件为一51串口下载烧录器电路的PCB图,可直接打印于光面纸上用于热转印制作,对于单片机初学者有一定的实用度.-This PDF document is a 51 serial download burner PCB circuit diagram, can be directly printed on glossy paper used to transfer the production of, for Singlechip beginners have a certain degr

一种高速串行通讯中需要用的PECL，LVEPCL，CML与LVDS之间的电平转换。-A high-speed serial communication with the need PECL, LVEPCL, with the level LVDS between CML.