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A wishbone compatible SD card mass storage controller for embedded usage
Mälardalen University, School of Innovation, Design and Engineering.
2009 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The purpose with this thesis was to develop an open source SD card controller IP core for usage insmall embedded system, emphasis has been laid on using as few logic gates as possible, providingan easy user interface and making it viable as a system disk controller.

For the most part, the lack of a complete open SD specification has mainly affected embeddedsystems, since desktop users generally read SD cards via USB-based card readers. But recentopenings of the SD specification have made it possible to develop SD-card readers which areutilizing the SD bus protocol.

Implementation has been done in Verilog for the hardware parts, and the software was developedin C. The proposed design has features common in disk controllers, like direct memory access,interrupt generation, and error control.

The design uses approximately 4000 core cells and 2 RAM blocks, about 50% less logic then acommercial alternative (Eureka EP560 ).

Also a second smaller core was developed by makingfew modifications of the full design, thereby showing the strength of a freely modifiable open IPcore.

Place, publisher, year, edition, pages
2009. , p. 46
National Category
Computer Sciences
Identifiers
URN: urn:nbn:se:mdh:diva-6719OAI: oai:DiVA.org:mdh-6719DiVA, id: diva2:234288
Presentation
(English)
Uppsok
Technology
Supervisors
Examiners
Available from: 2009-09-14 Created: 2009-09-07 Last updated: 2018-01-13Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf