Intel™ 8243 Input/Output Expander

Overview

The IP-AL8243 core is the VHDL model of the Intel™ 8243 input/output expander.

Key Features

  • Functionally based on the Intel 8243 device Five 4-bit peripheral ports: P20, P40, P50, P60, P70
  • Two control signals: CS, PROG
  • Four programming modes for peripherals (three write and read modes)
  • 4-bit bidirectional system data bus with standard microprocessor interface controls
  • VHDL behavioral model source files are available for free!

Technical Specifications

Availability
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Semiconductor IP