TEK3-IMX6UL HARDWARE MANUAL
– VER 1.00 – JAN 25. 2019
Page
21
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32
3.6.2. Non-Galvanic Isolated Digital I/O Connectors (GPIO2/GPIO3) (optional)
The non-galvanic isolated GPIO Expansion headers have the following pinout:
GPIO2:
Pin
#
Signal
Description
Voltage
Current
Max.
GPIO
Kernel
GPIO
Bank/IO
Min.
Typ.
Max.
1
GPIO2A
DIG_IN1/OUT1
1.65V
3.3V
3.6V
0.33mA
GPIO
504
pca9555
_8
2
GPIO2B
DIG_IN2/OUT2
1.65V
3.3V
3.6V
0.33mA
GPIO
503
pca9555
_7
3
NC
4
GND
Common Ground
5
GPIO2C
DIG_IN5/OUT5
1.65V
3.3V
3.6V
0.33mA
GPIO
501
pca9555
_5
6
GPIO2D
DIG_IN5/OUT6
1.65V
3.3V
3.6V
0.33mA
GPIO
502
pca9555
_6
7
NC
8
VCC
Supply output
12V
GPIO3:
Pin
#
Signal
Description
Voltage
Current
Max.
GPIO
Kernel
GPIO
Bank/IO
Min.
Typ.
Max.
1
GPIO3A
DIG_IN1/OUT1
1.65V
3.3V
3.6V
0.33mA
GPIO
500
pca9555
_4
2
GPIO3B
DIG_IN2/OUT2
1.65V
3.3V
3.6V
0.33mA
GPIO
112
4_16
3
NC
4
GND
Common Ground
5
GPIO3C
DIG_IN5/OUT5
1.65V
3.3V
3.6V
0.33mA
GPIO 4
1_4
6
GPIO3D
DIG_IN5/OUT6
1.65V
3.3V
3.6V
0.33mA
GPIO 5
1_5
7
NC
8
VCC
Supply output
12V
Header on TEK3-IMX6UL: Molex 43045-0800 (8-pin Micro-Fit 3.0).
Cable receptacle: Molex 43025-0800 (8-pin Micro-Fit 3.0) plug with crimp contact Molex 43030-0007.
