SenTech STC-TB83USB-ASH - Page 7

STC – TC83USB-ASH
STC – TB83USB-ASH
C. Input / Output Signals Specifications.
1. Input Signals Specifications
Input signal pins (IO 0 and IO 1) can be configured with “Trigger Input” or “Readout Request” through
the software.
a. Trigger Input Signal Requirements
1) Input Signal Level: High: 2.5 to 5V
Low: 0 to 0.3 V
2) Input Impedance: 10 k Ohm
3) Pulse Polarity: Positive or Negative (selectable by software)
4) Pulse Width: 50 clock to 0.5 seconds
b. Read out request Input Signal Requirements
1) Input signal level: High: 2.5 to 5 V
Low: 0 to 0.3 V
2) Input Impedance: 10 k Ohm
3) Pulse Polarity: Positive or Negative (selectable by the software)
4) Pulse Width: 50 clock to 0.5 seconds
2.5 to 5V
0 to 0.3 V
50 clock to 0.5 seconds
2.5 to 5 V
0 to 0.3 V
50 clock to 0.5 seconds
Product Specifications 7 of 11 Rev 1.1