A: Specifications
18
170-00000-RT-02-201603
10-Pin Accessory Connector – Pin Definitions and
Descriptions
The following table contains information regarding the function of each pin in the Red Tide’s 10-Pin
Accessory Connector:
Pin
#
Function
Input/Output
Description
1
V
CC
, V
USB
,
or 5V
IN
Input or
Output
Input power pin for Red Tide
– When operating via USB, this pin
can power other peripherals
– Ensure that peripherals comply with
USB specifications
2
RS232 Tx
Output
Not used
3
RS232 Rx
Input
Not used
4
Lamp
Enable
Output
TTL signal driven Active HIGH when the Lamp Enable command
is sent to the spectrometer
5
Continuous
Strobe
Output
TTL output signal used to pulse a strobe
– Divided down from the
master clock signal
6
Ground
Input/Output
Ground
7
External
Trigger In
Input
TTL input trigger signal
8
Single
Strobe
Output
TTL output pulse used as a strobe signal
– Has a programmable
delay relative to the beginning of the spectrometer integration
period
9
I
2
C SCL
Input/Output
The I
2
C clock signal for communications to other I
2
C peripherals.
10
I
2
C SDA
Input/Output
The I
2
C Data signal for communications to other I
2
C peripherals.
