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DMA Controller for LEON3 SoC:s Using AMBA
Linköping University, Department of Electrical Engineering, Computer Engineering. Linköping University, The Institute of Technology.
2013 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

A DMA Controller can offload a processor tremendously. A memory copy operation can be initiated by the processor and while the processor executes others tasks the memory copy can be fulfilled by the DMA Controller.

An implementation of a DMA Controller for use in LEON3 SoC:s has been made during this master thesis. Problems that occurred while designing a controller of this type concerned AMBA buses, data transfers, alignment and interrupt handling.

The DMA Controller supports AMBA and is attached to an AHB master and APB slave. The DMA Controller supports burst transfers to maximize data bandwidth. The source and destination address can be arbitrarily aligned. It supports multiple channels and it has interrupt generation on transfer completion along with interrupt masking.

The implemented functionality works as intended. 

Place, publisher, year, edition, pages
2013. , 38 p.
Keyword [en]
National Category
Computer Engineering
URN: urn:nbn:se:liu:diva-93687ISRN: LiTH-ISY-EX--13/4663--SEOAI: diva2:626214
External cooperation
Aeroflex Gaisler
Subject / course
Computer Engineering
2013-06-07, Systemet, Linköpings universitet, 581 83, Linköping, 10:00 (Swedish)
Available from: 2013-06-11 Created: 2013-06-07 Last updated: 2013-06-11Bibliographically approved

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DMAC(292 kB)985 downloads
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Type fulltextMimetype application/pdf

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Nilsson, Emelie
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Computer EngineeringThe Institute of Technology
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