AMIS-42770 Dual High-Speed CAN Transceiver
For Long Networks
6.0 Typical Application
6.1 Application Description
Data Sheet
AMIS-42770 is especially designed to provide the link between a CAN controller (protocol IC) and two physical busses. It is able to
operate in three different modes:
•
Dual CAN
•
A CAN-bus extender
•
A CAN-bus repeater
6.2 Application Schematics
VBAT
CAN BUS 1
CAN BUS 2
5V-reg
VCC
EN1
10 12
EN2
2
Rx0
Tx0
Text
Rint
PC20071011.3
C
D
100 nF
Vref
8 13
CANH1
R
LT
60
Ω
7
4
3
9
14
CANL1
CANH2
AMIS-42770
19
R
LT
5
6 15 16 17
18
CANL2
60
Ω
GND
Figure 2: Application Diagram CAN-bus Repeater
VBAT
CAN BUS 1
CAN BUS 2
5V-reg
VCC
C
D
100 nF
VCC
EN1
10 12
EN2
2
Rx0
C
D
100 nF
Vref
8 13
CANH1
R
LT
14
CANL1
CANH2
60
Ω
µC
7
4
3
9
CAN
con-
troller
GND
Tx0
Text
Rint
AMIS-42770
19
R
LT
5
6 15 16 17
18
CANL2
60
Ω
PC20071011.5
GND
Figure 3: Application Diagram Dual-CAN
AMI Semiconductor
– October 2007, Rev. 1.0
www.amis.com
Specifications subject to change without notice
3
AMI [ AMI SEMICONDUCTOR ]
