properties

• Programmable I/O control functions.
  
• Up to 192 parallel I/O lines.
  
• Maximum of 2.35 MHZ count rate.
  
• 6 independent 16 bits counters.
  
• Support several operating modes that are programmable.
  
• Port address selectable

description

The multiple 8255 I/O card is a programmable peripherals interface for PC/XT, PC/AT or compatibles. The interface card provides 192 parallel input/output (PIO) programmable line, and 16 independent 16 bits counter/clock. Available with 48 / 96 / 144 / 192 parallel I/O lines.