# 68HC05

> series of 8-bit microcontrollers

**Wikidata**: [Q750753](https://www.wikidata.org/wiki/Q750753)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Motorola_68HC05)  
**Source**: https://4ort.xyz/entity/68hc05

## Summary
The 68HC05 is a series of 8-bit microcontrollers developed by Motorola and later Freescale Semiconductor. It is part of the Motorola 6800 family and succeeds the Motorola 6805, offering enhanced features and compatibility with the HCMOS (High-Speed CMOS) technology.

## Key Facts
- Part of the Motorola 6800 family of microprocessors
- Successor to the Motorola 6805 microcontroller
- Operates on an 8-bit instruction set
- Manufactured by Motorola and Freescale Semiconductor
- Classified as a microcontroller and integrated circuit model
- Follows the HCMOS architecture for improved performance
- Primarily used in embedded systems and control applications
- Available in various models, including the MC68HC05N4
- Supports low-power operation and cost-effective solutions
- Commonly used in consumer electronics and industrial control systems

## FAQs
### Q: What is the 68HC05 used for?
A: The 68HC05 is primarily used in embedded systems and control applications, particularly in consumer electronics and industrial control systems due to its low-power operation and cost-effectiveness.

### Q: How does the 68HC05 differ from the Motorola 6805?
A: The 68HC05 succeeds the Motorola 6805 and incorporates improvements such as HCMOS technology, offering enhanced performance and compatibility while maintaining the same 8-bit architecture.

### Q: Who manufactures the 68HC05?
A: The 68HC05 was initially manufactured by Motorola and later by Freescale Semiconductor, a company acquired by NXP Semiconductors.

### Q: What is the instruction set of the 68HC05?
A: The 68HC05 operates on an 8-bit instruction set, making it suitable for a wide range of embedded applications.

### Q: What are some notable models of the 68HC05?
A: Notable models include the MC68HC05N4, which is commonly used in various embedded systems and control applications.

## Why It Matters
The 68HC05 played a significant role in the evolution of microcontrollers by building upon the Motorola 6805 while introducing advancements in HCMOS technology. Its 8-bit architecture made it versatile for embedded systems, and its low-power operation and cost-effectiveness contributed to its widespread use in consumer electronics and industrial control systems. The 68HC05's success as a microcontroller series highlights its importance in the development of modern embedded systems and control applications.

## Notable For
- Successor to the Motorola 6805, incorporating HCMOS technology for improved performance
- Part of the Motorola 6800 family, maintaining compatibility with existing systems
- 8-bit instruction set, making it suitable for a wide range of embedded applications
- Low-power operation and cost-effectiveness, contributing to its widespread use
- Commonly used in consumer electronics and industrial control systems

## Body
### Overview
The 68HC05 is a series of 8-bit microcontrollers developed by Motorola and later Freescale Semiconductor. It is part of the Motorola 6800 family and succeeds the Motorola 6805, offering enhanced features and compatibility with the HCMOS (High-Speed CMOS) technology.

### Technical Specifications
- **Instruction Set**: 8-bit
- **Manufacturers**: Motorola, Freescale Semiconductor
- **Architecture**: HCMOS
- **Applications**: Embedded systems, control applications

### Historical Context
- **Predecessor**: Motorola 6805
- **Family**: Motorola 6800 family
- **Manufacturers**: Initially Motorola, later Freescale Semiconductor

### Usage and Impact
- **Applications**: Consumer electronics, industrial control systems
- **Advantages**: Low-power operation, cost-effectiveness
- **Significance**: Contributed to the development of modern embedded systems and control applications

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## References

1. Freebase Data Dumps. 2013