https://github.com/kitune-san/kf8255

8255/8255A-like programmable peripheral interface written in SystemVerilog
https://github.com/kitune-san/kf8255

8255 8255a fpga pc ppi programmable-peripheral-interface systemverilog

Last synced: about 2 months ago
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8255/8255A-like programmable peripheral interface written in SystemVerilog

• Host: GitHub
• URL: https://github.com/kitune-san/kf8255
• Owner: kitune-san
• License: mit
• Created: 2020-07-19T12:14:17.000Z (almost 5 years ago)
• Default Branch: master
• Last Pushed: 2024-01-29T12:44:57.000Z (about 1 year ago)
• Last Synced: 2025-01-21T20:18:55.427Z (3 months ago)
• Topics: 8255, 8255a, fpga, pc, ppi, programmable-peripheral-interface, systemverilog
• Language: SystemVerilog
• Homepage:
• Size: 448 KB
• Stars: 3
• Watchers: 0
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# KF8255 - 8255-like programmable peripheral interface written in SystemVerilog

## About

KF8255 is programmable peripheral interface like 8255/8255A.

## Differences from original

- Clock synchronization

- I/O ports is separated into input and output port

## Features

- 3 I/O (Port A, PortB, Port C)

- Mode 0: Basic Input/Output

- Mode 1: Storobed Input/Output

- Mode 2: Bi-Directional Bus

## Block

![KF8255_block](DOC/img/KF8255_block.png)