Product specifications

46
General Purpose I/O Interface
details the GPIO interface.
Table 16 GPIO Interface
Pin
GPIO
I/O
Drive High/Low
Description
3
GPIO_1
I/O
6/6mA
Can be set as input or output
4
GPIO_2
I/O
6/6mA
Can be set as input or output
7
GPIO_3
O or I/O
6/6mA
TSPICS SPI therma
8
GPIO_4
O or I/O
6/6mA
DTR for Serial Port 1 or used as
GPIO
9
GPIO_5
I or I/O
6/6mA
DSR for Serial Port 1 or used as
GPIO
10
GPIO_6
I or I/O
6/6mA
DCD for Serial Port 1 or used as
GPIO
11
GPIO_7
O or I/O
6/6mA
LED 1 or used as GPIO (1=OFF,
0=illuminated)
12
GPIO_8
O or I/O
6/6mA
LED 2 or used as GPIO (1=OFF,
0=illuminated)
13
GPIO_9
O
6/6mA
Dedicated for power LED (1=OFF,
0=illuminated)
15
GPIO_10
I
6/6mA
Dedicated for Test Button (1=OFF,
0=switch depressed)
The special function capability of each GPIO can be enabled using the SET GPIO SPEC or SET GPIO
SPECM command as detailed in the Advanced Configuration chapter of this manual.