Introduction to Embedded Systems Design
Embedded Systems Design, Chapter 1 provides an insightful overview of embedded systems, distinguishing them from general-purpose computers. The chapter delves into the characteristics of embedded systems, their design considerations, and the various types of embedded computers such as general-purpose computers and embedded computers. It highlights the differences in functionality, architecture, and cost between embedded systems and general-purpose computers. The chapter also emphasizes the significance of real-time operating systems (RTOS) in embedded systems and the role of firmware in these systems.
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EMBEDDED SYSTEMS DESIGN CHAPTER 1: INTRODUCTIONTO EMBEDDED SYSTEMS 1.1 WHATISAN EMBEDDED SYSTEM? BROCK J. LAMERES, PH.D.
CH. 1: INTRODUCTIONTO EMBEDDED SYSTEMS GENERAL-PURPOSE COMPUTERS Able to run a variety of software. Contain relatively high- performance hardware components (fast processors, data & program storage). Require an operating system (OS). Image Courtesy of Recording Connection of Canada 1.1 WHATISAN EMBEDDED SYSTEM?
CH. 1: INTRODUCTIONTO EMBEDDED SYSTEMS GENERAL-PURPOSE COMPUTERS Designed for heavy user interaction. Several implement data memory and program storage. Uses a variety of peripherals (displays, keyboards, mice, internet connections, wireless communication capability). Possesses a distributed architecture (full functionality of the computer is spread across multiple IC chips). Expensive ($100s - $1000s). Use a group of integrated circuits or chips (ICs). One implements the central processing unit (CPU). Image Courtesy of Recording Connection of Canada 1.1 WHATISAN EMBEDDED SYSTEM?
CH. 1: INTRODUCTIONTO EMBEDDED SYSTEMS EMBEDDED COMPUTERS Resources can be implemented on a single IC. Include a variety of peripherals (timers, analog-to-digital converters, digital-to- analog converters, serial interfaces). Small size makes them very versatile. Image Courtesy of Recording Connection of Canada 1.1 WHATISAN EMBEDDED SYSTEM?
CH. 1: INTRODUCTIONTO EMBEDDED SYSTEMS EMBEDDED COMPUTERS Contains firmware (only the needed software which is not intended to be changed frequently). May contain Real Time Operating Systems (RTOS) which are used as a task scheduler. Low cost (10s of cents to a few dollars). Image Courtesy of Recording Connection of Canada 1.1 WHATISAN EMBEDDED SYSTEM?
CH. 1: INTRODUCTIONTO EMBEDDED SYSTEMS EMBEDDED COMPUTERS Image Courtesy of Recording Connection of Canada 1.1 WHATISAN EMBEDDED SYSTEM?
EMBEDDED SYSTEMS DESIGN CHAPTER 1: INTRODUCTIONTO EMBEDDED SYSTEMS 1.1 WHATISAN EMBEDDED SYSTEM? www.youtube.com/c/DigitalLogicProgramming_LaMeres BROCK J. LAMERES, PH.D.
