Features:

48-channel TTL digital inputs/outputs, 6-group 8-bit DIO ports (can be synchronous)

Data Transfer: program I/O

Input level: High-level: 2~5.25V

                 Low-level: 0~0.8V

Output level: High-level: Min. 2.4V

                    Low-level: Max. 0.5V

Port Power-on Status: digital input

With interrupt function

A programmable 32-bit event counter to generate event interrupt (EVENT)

A programmable 32-bit timer to generate timer interrupt (internal timer)