Index series: "Embedded Systems Principles and Applications" | Embedded Systems focuses sort of knowledge
table of Contents
The definition and characteristics of embedded systems
Hardware components of embedded systems include those
Classification of embedded systems: according to whether the operating system and real-time points
Common embedded system applications
Harvard architecture and the Von Neumann architecture
The definition and characteristics of embedded systems
1. Definition of embedded systems
From a broader perspective:
Embedded systems are all non-PC and mainframe computer systems
IEEE definitions: embedded system is "control and monitoring, or device, a machine plant and an auxiliary device operating"
Operating system used in embedded systems are generally real-time operating system
Embedded system operation needs to ensure high reliability , much weaker than the fault tolerance capabilities of desktop systems
Embedded systems have large power consumption constraints
2. characteristics of embedded systems
Longer life cycle
Easy monopoly
Hardware components of embedded systems include those
Run the basis of embedded systems, embedded software operation platform provides physical and communications interface
Embedded Processors
Off-chip bus : the various components of the system are connected, and the signal transmission line interconnect information.
Electronic plate : using flash chips store data, small size, low power consumption, shock
Classification of embedded systems: according to whether the operating system and real-time points
Software (whether embedded operating system) division
Divided by real-time
Common embedded system applications
Harvard architecture and the Von Neumann architecture
Harvard architecture
Von Neumann architecture
