E1/E20/E2/E2 Lite Additional Document    1. Overview 
R20UT1994EJ0910  Rev.9.10    Page 11 of 59 
Oct.06.23   
1.5  Overview of the Specifications of the External Trigger Input and Output 
This section describes the specifications of the external trigger input and output, which is one of extended 
functions of the E2. 
1.5.1  Assignments of the External Trigger Input and Output Pins 
The following figure and table show the assignments of the external trigger input and output pins for the E2 
expansion interface. 
 
Figure 1-1  E2 Expansion Interface