4-bit computing: Difference between revisions

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<ref name="Cravotta">{{cite web |author-first=Robert |author-last=Cravotta |url=http://www.embeddedinsights.com/directory/epd-downloads.php |title=Embedded Processing Directory}}</ref>
<ref name="EM6580_1">{{cite web |url=http://www.emmarin.com/Products.asp?IdProduct=215 |title=EM6580 |access-date=2013-05-12 |archive-url=https://web.archive.org/web/20131219221418/http://www.emmarin.com/Products.asp?IdProduct=215 |archive-date=2013-12-19 |url-status=dead}}</ref>
<ref name="EM6580_2">{{Cite web|url=httphttps://www.emmicroelectronic.com/products/microcontrollersproduct/multi-io/em6580|title=EM6580 low power Flash 4-bit microcontroller}}</ref>
<ref name="EM6682">{{Cite web|url=httphttps://www.emmicroelectronic.com/products/microcontrollersproduct/multi-io/em6682|title=EM6682}}</ref>
<ref name="Sharp_1990">{{cite book |url=http://bitsavers.org/components/sharp/_dataBooks/1990_Sharp_Microcomputers_Data_Book.pdf |title=Sharp Microcomputers Data Book |date=September 1990 |access-date=2018-01-05}}</ref>
}}