General Specifications
• 48 Bits digital I/O lines (2 groups)

8255 PPI made 0 x 2

• Power requirement
+5v only

• Pin-compatible with Opto-22 I/O module

• Output status readback

• Interrupt options
Jumper selectable tolevel 5,9,10,11,12,15

• Transfer rate max 400KB/sec

• Digital output
Logic level 0 : 0.5V max@24mA Logic level 1 :
2.0V min@15mA

• Digital input
Logic level 0 : 0.8V max Logic level 1 : 2.0V min