TEK3-BSW HARDWARE MANUAL
– VER 1.00 APR 15 2019
Page
17
of
37
3.14.1. Galvanic Isolated Digital I/O Connectors (GPIO1/GPIO2) (optional)
The galvanic isolated GPIO Expansion headers have the following pinout:
GPIO1:
Pin
#
Signal
Description
Voltage
Curr
ent
Max.
Interfa
ce
Source
Control
ler
SIO
Pin #
Min.
Typ.
Max.
1
GPIO1A
DIG_IN1
4.75V
5V
5.25V
300
mA
LPC
Fintek
F81804
GPIO12
2
GPIO1B
DIG_IN2
4.75V
5V
5.25V
300
mA
LPC
Fintek
F81804
GPIO17
3
GND_DIO Ground for digital
I/O
4
GND
Common Ground
5
GPIO1C
DIG_OUT5
11.21
V
11.8V 12.39
V
125
mA
LPC
Fintek
F81804
GPIO91
6
GPIO1D
DIG_OUT6
11.21
V
11.8V 12.39
V
125
mA
LPC
Fintek
F81804
GPIO94
7
VCC_DIO
Supply input for
digital I/O
5V
12.39
V
300
mA
8
VCC
Supply output
11.4V
12V
12.6V
300
mA
GPIO2:
Pin
#
Signal
Description
Voltage
Curr
ent
Max.
Interfa
ce
Source
Control
ler
SIO
Pin #
Min.
Typ.
Max.
1
GPIO2A
DIG_IN1
4.75V
5V
5.25V
300
mA
LPC
Fintek
F81804
GPIO93
2
GPIO2B
DIG_IN2
4.75V
5V
5.25V
300
mA
LPC
Fintek
F81804
GPIO16
3
GND_DIO Ground for digital
I/O
4
GND
Common Ground
5
GPIO2C
DIG_OUT5
11.21
V
11.8V 12.39
V
125
mA
LPC
Fintek
F81804
GPIO92
6
GPIO2D
DIG_OUT6
11.21
V
11.8V 12.39
V
125
mA
LPC
Fintek
F81804
GPIO15
7
VCC_DIO
Supply input for
digital I/O
5V
12.39
V
300
mA
8
VCC
Supply output
11.4V
12V
12.6V
300
mA
Header on TEK3-BSW: 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.