{"id":1206,"date":"2013-06-18T14:18:29","date_gmt":"2013-06-18T07:18:29","guid":{"rendered":"https:\/\/dosen.unila.ac.id\/rasp\/?p=1206"},"modified":"2015-10-28T12:16:09","modified_gmt":"2015-10-28T05:16:09","slug":"parallel-io","status":"publish","type":"post","link":"https:\/\/dosen.unila.ac.id\/rasp\/2013\/06\/18\/parallel-io\/","title":{"rendered":"Parallel I\/O"},"content":{"rendered":"<p>The earliest typewriters used a purely mechanical link between the keyboard and the printer. They were slow, inefficient, and &#8220;dumb&#8221;. Today&#8217;s typewriters have spliced intelligence into the linkage, and they are fast, flexible, and &#8220;smart&#8221;. <span style=\"color: #ff0000\">First, however, we must become familiar with a few basic principles of parallel input \/output.<\/span><\/p>\n<p>1) Synchronous vs asynchronous timing.<\/p>\n<p>2) Requirements of asynchronous transmission.<\/p>\n<p>3) Handshaking.<\/p>\n<p>4) Programmed I\/O vs interrupt I\/O.<\/p>\n<p>5) Memory-mapped I\/O vs isolated I\/O.<\/p>\n<p>6) The IBM PC parallel port.<\/p>\n<p><span style=\"color: #ff0000\">Second<\/span>, in W. Ditch book, 4 &#8211; Microprocessor Support ICs: a] Parallel interface ICs, b] Handshaking, c] Serial data transfer (software &amp; hardware), d] RS 232 serial interface, e] Counting and time measurement using hardware.<\/p>\n<p><span style=\"color: #ff0000\">Practical exercises<\/span>: i] Centronic printer interface, ii] Parallel computer interface, iii] Local area network, iv] Parity generation and checking, v] Shift register, vi] Running light displays, vii] Software serial interface, viii] RS 232 investigation, ix] Software real time clock, x] Digital frequency meter.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The earliest typewriters used a purely mechanical link between the keyboard and the printer. They were slow, inefficient, and &#8220;dumb&#8221;. Today&#8217;s typewriters have spliced intelligence into the linkage, and they are fast, flexible, and &#8220;smart&#8221;. First, however, we must become familiar with a few basic principles of parallel input \/output. 1) Synchronous vs asynchronous timing. &hellip; <a href=\"https:\/\/dosen.unila.ac.id\/rasp\/2013\/06\/18\/parallel-io\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Parallel I\/O&#8221;<\/span><\/a><\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[],"class_list":["post-1206","post","type-post","status-publish","format-standard","hentry","category-iap"],"_links":{"self":[{"href":"https:\/\/dosen.unila.ac.id\/rasp\/wp-json\/wp\/v2\/posts\/1206"}],"collection":[{"href":"https:\/\/dosen.unila.ac.id\/rasp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dosen.unila.ac.id\/rasp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dosen.unila.ac.id\/rasp\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/dosen.unila.ac.id\/rasp\/wp-json\/wp\/v2\/comments?post=1206"}],"version-history":[{"count":0,"href":"https:\/\/dosen.unila.ac.id\/rasp\/wp-json\/wp\/v2\/posts\/1206\/revisions"}],"wp:attachment":[{"href":"https:\/\/dosen.unila.ac.id\/rasp\/wp-json\/wp\/v2\/media?parent=1206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dosen.unila.ac.id\/rasp\/wp-json\/wp\/v2\/categories?post=1206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dosen.unila.ac.id\/rasp\/wp-json\/wp\/v2\/tags?post=1206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}