Ocean Optics Nirquest Install - Manual (Page 46)

B: Specifications
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Pin
#
Function Input/Output Description
3 GPIO (2) Input/Output
General purpose software-programmable, digital input/output
(channel number)
4 N/A N/A Reserved
5 Ground Input/Output Ground
6 I
2
C SCL Input/Output I
2
C clock signal for communication to other I
2
C peripherals
7 GPIO (0) Input/Output
General purpose software-programmable, digital input/output
(channel number)
8 I
2
C SDA Input/Output I
2
C data signal for communication to other I
2
C peripherals
9 GPIO (1) Input/Output
General purpose software-programmable, digital input/output
(channel number)
10
Ext.
Trigger In
Input TTL input trigger signal
11 GPIO (3) Input/Output
General purpose software-programmable, digital input/output
(channel number)
12 V
CC
or 5V
IN
Input or
Output
Input power pin for NIRQuest – When operating via USB, this pin
can power other peripherals – Ensure that peripherals comply with
USB specifications (no TEC power)
13
SPI Data
Out
Output
SPI Master Out Slave In (MOSI) signal for communication to other
SPI peripherals
14 V
CC
or 5V
IN
Input or
Output
Input power pin for NIRQuest – When operating via USB, this pin
can power other peripherals – Ensure that peripherals comply with
USB specifications (no TEC power)
15 SPI Data In Input
SPI Master In Slave Out (MISO) signal for communication to other
SPI peripherals
16 GPIO (4) Input /Output
General purpose software-programmable, digital input/output
(channel number)
17
Single
Strobe
Output
TTL output pulse used as a strobe signal – Has a programmable
delay relative to the beginning of the spectrometer integration period
18 GPIO (5) Input/Output
General purpose software-programmable, digital input/output
(channel number)
19 SPI Clock Output SPI clock signal for communication to other SPI peripherals