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Realizing the Display of LED by ARM7 MPU

Zhifang Yang

Abstract

The developing status quo of Embed system is introduced.The principle of display of 8-SEG LED based on ARM7 MPU S3C44B0 is analyzed,design of software and hardware interfaces between S3C44B0 and LED are discussed,the hardware interfaces chart of S3C44B0 and LED and part of program are offered.The result that the 8-SEG LED can circularly display from 0 to F is validated by experiment.

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Key concepts: Computer science, LED display, Chart, Software, Status quo, Embedded system, Computer hardware, Operating system