文件名称:CAN 总线协议2.0(pdf)72页
文件大小:181KB
文件格式:PDF
更新时间:2011-12-24 17:14:13
CAN 总线协议2.0
1 INTRODUCTION................................................................................4 2 BASIC CONCEPTS............................................................................5 3 MESSAGE TRANSFER .....................................................................10 3.1 Frame Types ......................................................................................10 3.1.1 DATA FRAME ....................................................................................10 3.1.2 REMOTE FRAME ..............................................................................15 3.1.3 ERROR FRAME.................................................................................16 3.1.4 OVERLOAD FRAME..........................................................................17 3.1.5 INTERFRAME SPACING...................................................................18 3.2 Definition of TRANSMITTER/RECEIVER ..........................................20 4 MESSAGE VALIDATION ...................................................................21 5 CODING.............................................................................................22 6 ERROR HANDLING...........................................................................23 6.1 Error Detection ...................................................................................23 6.2 Error Signalling...................................................................................23 7 FAULT CONFINEMENT.....................................................................24 8 BIT TIMING REQUIREMENTS ..........................................................27 9 INCREASING CAN OSCILLATOR TOLERANCE..............................31 9.1 Protocol Modifications ........................................................................31