Apex Orin NX Port Definition#
1G Ethernet#
MiiVii Device(Female)
Cable(Male)
Multifunctional Interface#
The multi-functional interface is as follows:
EXPANSION PORT ①与EXPANSION PORT②，located on the front side, as shown in the picture.
EXPANSION PORT ① Interface Signal Definitions#
Interface name |
Pin NO. |
Signal definition |
Description |
UART(DEBUG) |
G1 |
UART(DEBUG)_RX |
UART(DEBUG) Signal：232-RX |
UART(DEBUG) |
H1 |
UART(DEBUG)_TX |
UART(DEBUG) Signal：232-TX |
UART(DEBUG) |
J1 |
GND |
Ground |
UART(232)B |
D1 |
UART(232)B_RX |
UART(232)B Signal：232-RX |
UART(232)B |
E1 |
UART(232)B_TX |
UART(232)B Signal：232-TX |
UART(232)B |
F1 |
GND |
Ground |
UART(422/485)A |
K1 |
UART(422T+/485_A)A |
UART(422/485)A Signal：422A/485_A |
UART(422/485)A |
L1 |
UART(422T-/485_B)A |
UART(422/485)A Signal：422B/485_B |
UART(422/485)A |
M1 |
UART(422R+) |
UART(422)A Signal：422_C |
UART(422/485)A |
M2 |
UART(422R-) |
UART(422)A Signal：422_D |
UART(422/485)A |
L2 |
GND |
Ground |
UART(422/485)B |
G2 |
UART(422T+/485_A)B |
UART(422/485)B Signal： 422A/485_A |
UART(422/485)B |
F2 |
UART(422T-/485_B)B |
UART(422/485)B Signal： 422B/485_B |
UART(422/485)B |
E2 |
UART(422R+) |
UART(422)B Signal：422_C |
UART(422/485)B |
D2 |
UART(422R-) |
UART(422)B Signal：422_D |
UART(422/485)B |
C2 |
GND |
Ground |
CAN_A |
B3 |
CAN_A_L |
CAN_A Signal : Low-level data line |
CAN_A |
C3 |
CAN_A_H |
CAN_A Signal : High-level data line |
CAN_A |
B4 |
CAN_GND |
CAN_A Isolated Ground |
CAN_B |
D3 |
CAN_B_L |
CAN_B Signal : Low-level data line |
CAN_B |
E3 |
CAN_B_H |
CAN_B Signal : High-level data line |
CAN_B |
C4 |
CAN_GND |
CAN_B Isolated Ground |
PPS_A |
F3 |
PPS_A_SYNC |
PPS_A_SYNC Second pulse signal |
PPS_A |
G3 |
GND |
Ground |
UART(232)A |
K2 |
UART(232)A_RX |
UART(232)A Signal：232-RX |
UART(232)A |
J2 |
UART(232)A_TX |
UART(232)A Signal：232-TX |
UART(232)A |
H2 |
GND |
Ground |
IGN |
H3 |
IGN |
Empty |
IGN_GND |
J3 |
GND |
Ground |
SYNC_IO |
K3 |
SYNC_IN |
Sync in synchronization signal |
SYNC_IO |
L3 |
GND |
Ground |
SYNC_IO |
M3 |
SYNC_OUT |
Sync out synchronization signal |
SYNC_IO |
M4 |
GND |
Ground |
SYNC_IO |
K4 |
GND |
Ground |
RESET Key |
J4 |
RESET |
Reset Key |
RECOVERY Key |
G4 |
FORCE_RECOVERY |
Recovery Key |
POWER Key |
E4 |
POWER_ONKEY |
Power Key |
GND |
H4 |
GND |
Ground |
GND |
F4 |
GND |
Ground |
GND |
D4 |
GND |
Ground |
EXPANSION PORT ② Interface Signal Definition#
Interface name |
Pin No. |
Signal Definition |
Description |
POWER |
H1 |
VIN |
Power positive (DC power interface) |
POWER |
H2 |
VIN |
Power positive (Aircraft plug power interface, brown) |
POWER |
H3 |
VIN |
Power positive (Aircraft plug power interface, grey) |
POWER |
H4 |
VIN |
Power positive |
POWER |
G1 |
GND |
Power negative (DC power interface) |
POWER |
G2 |
GND |
Power negative (Aircraft plug power interface, blue) |
POWER |
G3 |
GND |
Power negative (Aircraft plug power interface,black) |
POWER |
G4 |
GND |
Power negative |
GPIO |
A2 |
GPIO_1 |
GPIO_IN signal |
GPIO |
C2 |
GPIO_13 |
GPIO_IN signal |
GPIO |
E2 |
GPIO_24 |
GPIO_OUT signal |
GPIO |
F1 |
GPIO_26 |
GPIO_OUT signal |
GND |
B2 |
GND |
Ground |
GND |
D2 |
GND |
Ground |
GND |
F2 |
GND |
Ground |
GND |
E1 |
GND |
Ground |
GND |
E4 |
GND |
Ground |
GND |
C1 |
GND |
Ground |
FAN |
B4 |
GND |
Ground |
FAN |
A4 |
DC_12V |
Power positive |
FAN |
D4 |
FAN_TACH |
Rotating speed |
FAN |
C4 |
FAN_PWM |
Speed regulation |