28 Channel 8255 PPI Module

Programmable I/O

• 8255 PPI mode 0 emulation

• Channel: 24

• Input Signal:

  • Logical level 0: -0.5 ~ 0.8 V

  • Logical level 1: 2.0 ~ 5.25 V

• Output Signal:

  • Logical level 0: 0.5V max.

  • Logical level 1: 2.4V min.

Digital Input

• Channels: 4

• Logical level 0: 2 V max.

• Logical level 1: 3 ~ 5.25 V

Power

• Requirement: unregulated +10V to +30V DC

• Power Consumption: 1.0W typical