E-Pos E-Touch Integrated User Manual page 13

4.5.1 DIO port Pin Assignment
4.5.2 Digital Output Programming
The output is TTL Level. The output signal must be TTL compatible.
Output
Out 0
Out 1
Out 2
Out 3
4.5.3 Digital Input Programming
The input signal must be TTL compatible.
Input
IN 0
IN 1
IN 2
IN 3
Data in Address(206h)
Data Out Address(206h)
Address
206
206
206
206
Address
206
206
206
206
••
Bit
0(customer define)
1(default)
2(customer define)
3(customer define)
Bit
0
1
2
3