基于FPGA编程的流水灯，很适合初学者入门的初学者学习与使用，欢迎大家下载-The scope of this document is, to define the content of the physical layer and the basic

characteristics of the physical medium, for communication according to the Controller Area

Network protocol specification (CAN) between different types of electronic modules in general

industrial applications. CAN is a serial communication protocol supporting distributed real-time

control and multiplexing.

This part refers to using a differentially driven two-wire bus line with common return as physical

medium.