Ocean Optics HR2000+ Install - Manual (Page 30)

B: HR2000+ Specifications
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Pin
#
Function Input/Output Description
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) Reserved
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) Reserved
10
Ext.
Trigger In
Input
TTL input trigger signal – See External Triggering Options
document for information.
11 GPIO (3) Input/Output
General purpose software-programmable, digital input/output
(channel number) Reserved
12
V
CC
, V
USB
,
or 5V
IN
Input or Output
Input power pin for HR2000+ – When operating via USB, this pin
can power other peripherals – Ensure that peripherals comply with
USB specifications
13 Reserved Output Reserved
14
V
CC
, V
USB
,
or 5V
IN
Input or Output
Input power pin for HR2000+ – When operating via USB, this pin
can power other peripherals – Ensure that peripherals comply with
USB specifications
15 Reserved Input Reserved
16 GPIO (4) Input /Output
General purpose software-programmable, digital input/output
(channel number) Reserved
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) Reserved
19 Reserved Output Reserved
20
Continuous
Strobe
Output
TTL output signal used to pulse a strobe – Divided down from the
master clock signal
21
SPI Chip
Select
Output
SPI Chip/Device Select signal for communication to other SPI
peripherals