# ARM Cortex-M3

> microprocessor core model

**Wikidata**: [Q15104442](https://www.wikidata.org/wiki/Q15104442)  
**Source**: https://4ort.xyz/entity/arm-cortex-m3

## Summary
ARM Cortex-M3 is a microprocessor core model in Arm Holdings’ ARM Cortex-M series of 32-bit RISC processor cores. It is a product model of a microprocessor and also classified as a semiconductor intellectual property (IP) core, with a recorded start time of 2004.

## Key Facts
- ARM Cortex-M3 is a microprocessor core model (Wikidata description: “microprocessor core model”).
- It is a product model and is manufactured by Arm Holdings.
- It has a recorded start time of 2004.
- ARM Cortex-M3 is part of the ARM Cortex-M series (a group of 32-bit RISC processor cores).
- It is a subclass of microprocessor and semiconductor intellectual property core.
- It is part of / parented by the broader classes “microprocessor” and “ARM Cortex-M.”
- An official Arm webpage is listed for Cortex-M3: http://www.arm.com/products/processors/cortex-m/cortex-m3.php (English; qualifier date: 2015-01-07).
- It has a Wikimedia Commons category: “ARM Cortex-M3.”
- It has a Google Knowledge Graph ID: /g/122tp500.

## FAQs
### Q: What is ARM Cortex-M3?
A: ARM Cortex-M3 is a microprocessor core model made by Arm Holdings. It belongs to the ARM Cortex-M series of 32-bit RISC processor cores and is also classified as a semiconductor IP core.

### Q: Who makes the ARM Cortex-M3?
A: The manufacturer of ARM Cortex-M3 is Arm Holdings. It is listed as a product model associated with Arm’s Cortex-M processor line.

### Q: When did ARM Cortex-M3 start?
A: The recorded start time for ARM Cortex-M3 is 2004. No additional launch details are provided in the source material.

### Q: Is ARM Cortex-M3 a physical chip or an IP core?
A: ARM Cortex-M3 is classified as a microprocessor and also as a semiconductor intellectual property core. This indicates it is a processor core model that can be provided as IP, rather than being described here as a single packaged chip product.

## Why It Matters
ARM Cortex-M3 matters because it represents a defined processor core model within Arm Holdings’ Cortex-M family, a group of 32-bit RISC processor cores. As a microprocessor-class design and a semiconductor IP core, it fits into the modern model of processor development where standardized core designs can be integrated into integrated-circuit chips by different implementers. Its placement in the Cortex-M series signals relevance to systems that use Cortex-M class cores, and its identification as a product model provides a stable reference point for documentation, categorization, and compatibility discussions. The existence of an official Arm webpage and a dedicated Commons category also indicates it is a recognized, documentable entity in the Arm ecosystem, making it easier for engineers, researchers, and technical writers to refer to a consistent core model when describing hardware platforms, embedded designs, or processor-family relationships.

## Notable For
- Being a named core model within the ARM Cortex-M series (32-bit RISC processor cores).
- Being manufactured by Arm Holdings as a product model.
- Being classified both as a microprocessor and as a semiconductor intellectual property (IP) core.
- Having a recorded start time of 2004.
- Having an official Arm product webpage and a dedicated Wikimedia Commons category (“ARM Cortex-M3”).

## Body
### Classification and Identity
- Entity name: ARM Cortex-M3
- Type/description: microprocessor core model
- Instance of: product model
- Subclass of:
  - microprocessor
  - semiconductor intellectual property core

### Series and Relationships
- Part of series: ARM Cortex-M
- ARM Cortex-M is described as a group of 32-bit RISC processor cores.
- Parent / broader classes referenced:
  - microprocessor (computer processor contained on an integrated-circuit chip)
  - ARM Cortex-M

### Manufacturer
- Manufacturer: Arm Holdings

### Timeline
- Start time: 2004

### Official and Reference Links
- Official website (English; qualifier date 2015-01-07): http://www.arm.com/products/processors/cortex-m/cortex-m3.php
- Wikimedia Commons category: ARM Cortex-M3
- Google Knowledge Graph ID: /g/122tp500

### Media
- Image reference: https://commons.wikimedia.org/wiki/Special:FilePath/T10_Car_Bluetooth_FM_Transmitter_-_display_part_-_board_-_MVSILICON_AP8048A-0585.jpg