SAE J2602-1 2005 LIN Network for Vehicle Applications(2)

Frame Anomaly)...................................................................................................................22 Sporadic Frame (ref. Section 2.3.3, LIN 2.0 Protocol Specification)...................................22 J2602 API Requirements.....................................................................................................22 Master Node Configuration API...........................................................................................22 Diagnostic Transport Layer API...........................................................................................22 Additional API Requirements...............................................................................................22 J2602 Bus Operation...........................................................................................................22 Normal Communication Mode and Transmission Rate.......................................................23 Sleep/Wake Mode................................................................................................................23 Wake-up (ref. Section 5.1, LIN 2.0 Protocol Specification).................................................23 Go to Sleep (ref. Section 5.2, LIN 2.0 Protocol Specification).............................................23 Slave Node Sleep................................................................................................................24 LIN Controller Clock Tolerance............................................................................................24 Master-Slave Communication..............................................................................................24 Slave-Slave Communication................................................................................................24 Bus Electrical Parameters....................................................................................................24 LIN Bus Signals and Loading Requirements.......................................................................25 LIN Data Link (UART) Requirements...................................................................................26 Sample Point........................................................................................................................26 Synchronization....................................................................................................................26 Transmit Message Buffering................................................................................................26 LIN ECU Requirements........................................................................................................27 ECU Circuit Requirements...................................................................................................27 Master Node Resistor..........................................................................................................27 Master Node Pull-Up Reverse Blocking Diode....................................................................27 Master Node Capacitance...................................................................................................28 Slave Node Capacitance.....................................................................................................28 ESD Transient Suppressor..................................................................................................28 Board Layout Requirements................................................................................................28 Network Topology................................................................................................................28 Loss of ECU Ground............................................................................................................28 Loss of ECU Battery.............................................................................................................28 Bus Electrical Load Distribution...........................................................................................29 Bus Wiring Topology Configurations....................................................................................29

LIN Network for Vehicle ApplicationsIssued 2004-08Revised 2005-09Superseding J2602-1 AUG2004

7.7.5 Bus Wiring Constraints.........................................................................................................31 7.7.6 Bus Wiring Practices to Improve EMC Performance...........................................................32 7.7.7 Bus Wiring Harness and ECU Connectors..........................................................................32 7.8 ESD Immunity......................................................................................................................32 7.9 EMC Testing Requirements.................................................................................................32 7.10 Fault Tolerant Modes...........................................................................................................32 7.11 Ground Offset Voltage.........................................................................................................33 7.12 Operating Battery Power Voltage Range.............................................................................33 7.12.1 Normal Battery Voltage Power Operation............................................................................33 7.12.2 Battery Power Over-Voltage Operation...............................................................................33 7.12.3 Low Battery Voltage Operation............................................................................................34 7.12.4 Battery Offset Voltage..........................................................................................................34 7.12.5 Reverse Battery Blocking Diode................................................................................. …… 此处隐藏：6209字，全部文档内容请下载后查看。喜欢就下载吧 ……