# Intel 8255

> programmable peripheral interface chip

**Wikidata**: [Q541974](https://www.wikidata.org/wiki/Q541974)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Intel_8255)  
**Source**: https://4ort.xyz/entity/intel-8255

## Summary
The Intel 8255 is a programmable peripheral interface chip designed to manage data flow between a processor and peripherals. It functions as both a chipset component and a controller specifically handling parallel port connections in computing systems.

## Key Facts
- The Intel 8255 is classified as an integrated circuit model
- It functions as both a chipset and controller with specific parallel port functionality
- Has documentation in 10 languages on Wikipedia: ca, commons, cs, de, en, es, ja, nl, ro, ru
- Maintains 11 sitelinks across various Wikipedia editions
- The Soviet Union created a clone called КР580ВВ55 as part of their 580 series of integrated circuits (inception: 1976)
- Aliases include i8255 and PPI
- Visual documentation including photographs and schematic diagrams are available on Wikimedia Commons
- Freebase identifier is /m/02wvk86

## FAQs
### Q: What is the Intel 8255 used for?
A: The Intel 8255 is a programmable peripheral interface chip that manages data flow between a processor and peripherals, specifically handling parallel port connections in computing systems.

### Q: Was there a Soviet version of the Intel 8255?
A: Yes, the Soviet Union created a clone called КР580ВВ55 as part of their 580 series of integrated circuits, which was based on Intel designs and began development in 1976.

### Q: What type of chip is the Intel 8255 classified as?
A: The Intel 8255 is classified as an integrated circuit model that functions both as a chipset component and a controller, specifically designed for parallel port functionality.

### Q: Where can I find technical documentation for the Intel 8255?
A: Technical documentation including photographs, schematic diagrams, and textual information is available on Wikimedia Commons and across 10 language editions of Wikipedia.

## Why It Matters
The Intel 8255 played a crucial role in early computing systems by providing standardized interfaces between processors and peripherals. As a programmable peripheral interface chip, it allowed for flexible configuration of input/output operations, which was essential for the development of more complex computing architectures. Its influence extended beyond traditional computing to video game controllers and entertainment systems, demonstrating its versatility. The fact that it was cloned by the Soviet Union highlights its technological significance during the Cold War era. The Intel 8255 remains a reference point in computing history, with documentation in multiple languages indicating its enduring relevance in the study of technology evolution.

## Notable For
- Pioneered the programmable peripheral interface concept for parallel port connections
- Cloned by the Soviet Union as КР580ВВ55, indicating its technological significance during the Cold War
- Versatile enough to be used in both computing systems and video game controllers
- Maintains documentation in 10 different languages on Wikipedia, demonstrating international relevance
- One of the foundational chipset components that enabled more complex computing system architectures

## Body
### Overview
The Intel 8255 is a programmable peripheral interface chip designed to manage data flow between a processor and peripherals. It functions as both a chipset component and a controller, specifically handling parallel port connections in computing systems.

### Technical Classification
- Instance of: integrated circuit model
- Subclass of: chipset and controller
- Specific functionality: parallel port connections
- Aliases: i8255, PPI

### Documentation and Availability
- Wikipedia documentation available in 10 languages: ca, commons, cs, de, en, es, ja, nl, ro, ru
- Has 11 sitelinks across Wikipedia editions
- Visual documentation available on Wikimedia Commons
- Schematic diagrams available for technical reference
- Freebase ID: /m/02wvk86

### Historical Context
- Part of the Intel family of peripheral interface chips
- The Soviet Union created a clone called КР580ВВ55
- The Soviet clone was part of the 580 series of integrated circuits (inception: 1976)
- Used in computing systems and video game controllers
- Remains a reference point in the study of computing hardware history

### Technical Specifications
- Design: Programmable Peripheral Interface (PPI)
- Function: Manages data flow between processor and peripherals
- Interface type: Parallel port
- Classification: Integrated circuit model
- Parent categories: Chipset, controller, video game controller

## Schema Markup
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  "name": "Intel 8255",
  "description": "Programmable peripheral interface chip designed to manage data flow between a processor and peripherals",
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  "additionalType": "integrated circuit model",
  "image": "https://commons.wikimedia.org/wiki/Special:FilePath/Ic-photo-Intel--D8255.JPG",
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## References

1. Freebase Data Dumps. 2013