1.3.3 SAE J1939 Version
NO.
Item
Definition
1
Pogo
Pin
1
2
3
4
5
6
7
8
GPIO69
GPIO33
GPIO66
GPIO22
GPIO23
ACC
GND
RXD0
9
10
11
12
13
14
15
16
TXD0
RXD1
TXD1
GND
ID
DP
17
18
19
20
21
22
23
24
DM
VUSB
EN
DC+
DC-
2
J1939
A
B
C
D
E
F
G
Battery
Minus
(
Ground
)
Battery
Plus
(
+V
)
CAN/
J1939
High
CAN/
J1939
Low
CAN/J1939
shield
Protocol
“
High
”Line,i.e
CAN/J1708/J193
9 High
Protocol
“
Low
”Line,i.e
CAN/J1708/J1939
Low
3
COM
RS232 /dev/ttyHSL0.
4
ACC
input
Connect with vehicle ACC power.
Voltage range: 0-30V.
Note: With ACC function, the device is requested to connect the power source via DC
adaptor simultaneously to power on after ignition. please refer to 3-2 for the DEMO and
source code of ACC.
5
GPIO
out-
put
Red
White
Green
Yellow
Black
Input 1
Input 2
Output 3
Output 4
GND
6
USB
USB Type-A (can
’t be used simultaneously with USB Type-C on the device)