Features

Input/Output Type: TTL digital input / output

Input Level: High-level: 2 ~ 5.25V

                   Low-level: 0 ~ 0.8V

Output Level: High-level: 2.4V minimum

                     Low-level: 0.5V maximum

Port Power-on Status: digital input

Interrupt: Yes

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

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