IGW/400-CAN – Pin Assignments
S S V E M B E D D E D S Y S T E M S
11
5 PIN
ASSIGNMENTS
5.1
14-Pin Environment Interface
Pin Name
Function
1
Vin
6 – 30 VDC power input
2 GND
Ground
3
RXD
COM1 RS232 serial port, RXD pin
4
TXD
COM1 RS232 serial port, TXD pin
5
GND
Ground
6
GPIO1
I2C: SDA, ADC: IN1 (0 – 3 V)
7
GPIO2
I2C: SCL, ADC: IN2 (0 – 3 V)
8
Vout
3.3 VDC output (max. 100 mA)
9
CAN1-H
CAN1 interface, H level I/O
10
CAN1-TR
CAN1 Termination Resistor
11
CAN1-L
CAN1 interface, L level I/O
12
CAN2-H
CAN2 interface, H level I/O
13
CAN2-TR
CAN2 Termination Resistor
14
CAN2-L
CAN2 interface, L level I/O
Table 1: Pinout environment interface
5.2
RS232 Connector (UART1)
Top view
Pin
Name
Function
1
DCD1
UART1 serial port, DCD pin
2
RXD1
UART1 serial port, RXD pin
3
TXD1
UART1 serial port, TXD pin
4
DTR1
UART1 serial port, DTR pin
5
GND
Ground
6 ---
Not
connected
7
RTS1
UART1 serial port, RTS pin
8
CTS1
UART1 serial port, CTS pin
9
---
Not connected
Table 2: Pinout RS232 connector (UART1)
Note:
All UART1 port signals are on RS232 level. There is no TTL level available on UART1.
5.3
10/100 Mbps Ethernet Interface
Top view
Pin
Name
Function
1
TX+
10/100 Mbps LAN, TX+ pin
2
TX-
10/100 Mbps LAN, TX- pin
3
RX+
10/100 Mbps LAN, RX+ pin
4 ---
Not
connected
5
---
Not connected
6
RX-
10/100 Mbps LAN, RX- pin
7
---
Not connected
8 ---
Not
connected
Table 3: Pinout 10/100 Mbps Ethernet interface
