# VIDC20

> Video Display Controller

**Wikidata**: [Q7906983](https://www.wikidata.org/wiki/Q7906983)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/VIDC20)  
**Source**: https://4ort.xyz/entity/vidc20

## Summary
VIDC20 is a video display controller (VDC) and integrated circuit manufactured by Acorn Computers. It functions as a component of the ARM architecture and serves as the successor to the earlier VIDC1 controller.

## Key Facts
- **Classification:** VIDC20 is an instance of an integrated circuit and a subclass of video display controller.
- **Manufacturer:** The component was produced by Acorn Computers.
- **Architecture:** It is a distinct part of the ARM architecture.
- **Predecessor:** The VIDC20 follows the VIDC1 Video Display Controller in the product lineage.
- **Documentation:** Technical documentation for the device is archived at `http://www.13thmonkey.org/documentation/ARM/VIDC20.ps.gz`.
- **Identity:** The entity has the Freebase ID `/m/0n48f6b` and the Wikipedia title "VIDC20".

## FAQs
### Q: Who manufactured the VIDC20?
A: The VIDC20 was manufactured by Acorn Computers.

### Q: What is the VIDC20?
A: The VIDC20 is a type of integrated circuit specifically classified as a video display controller. It is designed for use within the ARM architecture.

### Q: What controller did the VIDC20 succeed?
A: The VIDC20 succeeds the VIDC1, which is also a Video Display Controller.

## Why It Matters
The VIDC20 represents a specific evolution in display hardware within the ARM architecture ecosystem. As a dedicated integrated circuit for video display control, it highlights the technical progression from its predecessor, the VIDC1, offering a distinct hardware solution for video processing. Manufactured by Acorn Computers, this component serves as a historical marker in the development of ARM-based systems, illustrating how display technologies were integrated directly into the architecture's silicon. Its existence as a documented, specialized controller underscores the modular design philosophy of the era, where distinct chips handled specific subsystem tasks like video output.

## Notable For
- Being a dedicated video display controller within the ARM architecture.
- Succeeding the VIDC1 in the hardware lineage.
- Being a product of Acorn Computers, a key player in early RISC-based personal computing.
- Existing as a distinct integrated circuit subclass for video processing.

## Body
### Technical Classification
The VIDC20 is an integrated circuit (IC) categorized specifically as a video display controller. It is recognized in knowledge bases via its Freebase ID `/m/0n48f6b` and its Wikidata description as a "Video Display Controller."

### Development and Lineage
The controller is a component of the ARM architecture. It was manufactured by Acorn Computers. In the timeline of hardware development for this series, the VIDC20 follows the VIDC1, establishing a direct lineage between the two integrated circuits.

### Documentation and Resources
Technical details regarding the VIDC20 are preserved in English-language documentation. This resource is accessible via a compressed PostScript file (.ps.gz) hosted at `http://www.13thmonkey.org/documentation/ARM/VIDC20.ps.gz`. The entity maintains a sitelink count of 1 and is documented in English language Wikipedia.