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8/9/2016ĐẠI HỌC QUỐC GIA CHÍ ĐẠI HỌC BÁCH ĐIỆN-ĐIỆN MÔN KỸ THUẬT ĐIỆN TỬEmbedded System 1: Embedded System is an embedded system?.Embedded system system embedded system11. What’s an Embedded System?.• Embedded systems =.– information processing systems that .interact with physical processes and are .embedded into a larger product• Two types of computing.– Desktop – produced millions/year.– Embedded – billions/year• Non‐Embedded Systems.– PCs, servers, and notebooks• The future of computing!.– Automobiles, entertainment, .communication, aviation, handheld .devices, military, medical equipment .Bộ môn Kỹ Thuật Điện Tử - ĐHBKChapter . What is an embedded system?.• Embedded system is.– any device that includes a programmable computer but is not itself ‐purpose computer ‐ Wayne Wolf.– An embedded computer system includes a micro‐computer , chemical and electrical devices attached to it, a specific dedicated purpose, and packaged as a complete system ‐.Jonathan W. Valvano.– An embedded system is one that has computer‐hardware with in it as one of its most important component ‐ Raj KamalBộ môn Kỹ Thuật Điện Tử - ĐHBKChapter 13Embedded System Examples.• The refrigerator.–.–.–.–.–Maintain a moderately stable, low temperature within itSense its internal temperature and compare that with the temperature required. .Lowers the temperature by switching on a compressor. .The temperature measurement requires one or more the compressor requires some form of electronic interfaceBộ môn Kỹ Thuật Điện Tử - ĐHBKChapter System Examples.• A car door mechanism.– Window stall sensor, door sensor.– Window motor, lock actuator.– Window control buttonsBộ môn Kỹ Thuật Điện Tử - ĐHBKChapter 15Embedded System Examples.• The Derbot Vehicle.– Two microswitch bump .detectors.– an untrasound detector.– Two light sensors.– a servo actuator• Derbot is powered from six .AA Alkaline cellsBộ môn Kỹ Thuật Điện Tử - ĐHBKChapter System Examples.• The Derbot Vehicle .– operates as an .embedded system .– reading in values from .its diverse sensors and .computing outputs to .its môn Kỹ Thuật Điện Tử - ĐHBKChapter 172. Embedded System software software layer• Application software: .– application programs, GUI, control programs • System software.– Operating system, system drivers, system library• Hardware.– Processors, memory, peripherals, input/output devices, PCB . .Bộ môn Kỹ Thuật Điện Tử - ĐHBKChapter . Embedded System of Embedded SystemsClockDisplayPowerPeripheralsEmbedded . • Embedded processor is a heart of the embedded system:.– micro‐processor: 8086, ARM7, ARM9 .– micro‐controller: 8051, ARM Cortex‐M, PIC16F, 68HC11, .Bộ môn Kỹ Thuật Điện Tử - ĐHBKChapter 193. Embedded System Features.• Memory.– ROM: embedded program.– RAM: processing data• Embedded program.– OS / non‐OS supported.– realtime / non‐realtime.– timer, interrupt, serial port • Clock:.– crystal • Power:.– +5V / + / + môn Kỹ Thuật Điện Tử - ĐHBKChapter 1105.
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