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Controller
Area
Network
Controller
Area
Network
was developed by the
Robert BOSCH company in
1983
as a bus system for cars.
CAN 总线
CAN 总线
网络控制单元数据交换
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CAN 总线的特点
传输速度快
相关控制单元可共用传感器
更少的线束、更小的控制单元，节省了空间
CAN data bus network
(CAN –Controller Area Network)
两根数据线缠绕可防止电磁干扰
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左转向信号
右转向信号
A4
2001
J 285
M1 M4M2 M3
J 519
X
J 527
舒
适
系
统
C
A
N
b
us
E 1
58
D
P
E 1E 2
M1 M4M2 M3X
J 218
58ri
58 ri
5858le
58 le
58
58 ri58 leP
D
P
S
58
SS
配线
A4
Predecessor
例如：停车灯
最多45根配线
9 个插头
60 种配线变化
最多17根配线
2 个插头
2种配线变化

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CAN总线AudiA4 2001
CAN –驱动500 kBaud
CAN –舒适100 kBaud
CAN –信息娱乐100kBaud
三条数据总线
。