Ocean Optics QE65 Pro User Manual
Page 29
 
B: Specifications
220-12200-000-02-201303
23
Pin
#
Function
Input/Output
Description
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 QE65 Pro – 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
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 
22
GPIO (6)
Input/Output
General purpose software-programmable, digital input/output 
(channel number) 
23
N/A
N/A
Reserved
24
N/A
N/A
Reserved
25
Lamp 
Enable 
Output
TTL signal driven Active HIGH when the Lamp Enable command 
is sent to the spectrometer 
26
GPIO (7)
Input/Output
General purpose software-programmable, digital input/output 
(channel number) 
27
Ground
Input/Output
Ground
28
GPIO (8)
Input/Output
General purpose software-programmable, digital input/output 
(channel number) 
29
Ground
Input/Output
Ground