AMIS-42770 Dual High-Speed CAN Transceiver
For Long Networks
6.3 Pin Description
6.3.1 Pin Out (top view)
Data Sheet
NC
EN2
Text
Tx0
GND
GND
Rx0
Vref1
Rint
EN1
1
2
3
20
19
18
NC
CANH2
CANL2
GND
GND
GND
CANL1
CANH1
VCC
NC
AMIS-42770
4
5
6
7
8
9
10
17
16
15
14
13
12
11
PC20071011.2
Figure 5: Pin Configuration
6.3.2 Pin Description
Table 2: Pin Out
Pin
Name
1
NC
2
ENB2
3
Text
4
Tx0
5
GND
6
GND
7
Rx0
8
V
REF1
9
Rint
10
ENB1
11
NC
12
VCC
13
CANH1
14
CANL1
15
GND
16
GND
17
GND
18
CANL2
19
CANH2
20
NC
Notes:
(1)
In order to ensure the chip performance, all these pins need to be connected to GND on the PCB.
Description
Not connected
Enable input, bus system 2; internal pull-up
Multi-system transmitter Input; internal pull-up
Transmitter input; internal pull-up
(1)
Ground connection
(1)
Ground connection
Receiver output
Reference voltage
Multi-system receiver output
Enable input, bus system 1; internal pull-up
Not connected
Positive supply voltage
CANH transceiver I/O bus system 1
CANL transceiver I/O bus system 1
(1)
Ground connection
(1)
Ground connection
(1)
Ground connection
CANL transceiver I/O bus system 2
CANH transceiver I/O bus system 2
Not connected
AMI Semiconductor
– October 2007, Rev. 1.0
www.amis.com
Specifications subject to change without notice
5
AMI [ AMI SEMICONDUCTOR ]
