{"id":365,"date":"2019-03-07T10:59:37","date_gmt":"2019-03-07T10:59:37","guid":{"rendered":"https:\/\/arduino-developer.com\/arduino\/?p=365"},"modified":"2019-04-26T13:27:38","modified_gmt":"2019-04-26T13:27:38","slug":"arduino-mega1280","status":"publish","type":"post","link":"https:\/\/arduino-developer.com\/arduino\/hardware\/arduinos\/arduino-mega1280","title":{"rendered":"Arduino Mega1280"},"content":{"rendered":"\n<p><a href=\"https:\/\/www.arduino.cc\/en\/Main\/arduinoBoardMega\/\">https:\/\/www.arduino.cc\/en\/Main\/arduinoBoardMega\/<\/a><\/p>\n\n\n\n<p>Microcontroller: ATmega1280<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Power<\/h5>\n\n\n\n<p>Power in: From the USB connectors (5V) or the DC plug (7-12V)<\/p>\n\n\n\n<p>5V DCDC reg: MC33269D-5.0, 1%, 1V dropout, 800mA output current rated<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">IO Pins<\/h4>\n\n\n\n<p> IO voltage: 5V<\/p>\n\n\n\n<p>IO pin high voltage&nbsp;(for VCC = 5V): min 0.6VCC to max VCC + 0.5<br>So digital IO pins are compatible with 3.3V input signals.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">IO Pin Current<\/h5>\n\n\n\n<p>Absolute max current per IO pin: 40mA<\/p>\n\n\n\n<p>Absolute max current across all IO (and for uC itself): 200mA<\/p>\n\n\n\n<p>Note that IO pins will drop voltage (move away from VCC or GND) as IO pin sing and source current increases.<\/p>\n\n\n\n<p>Datasheet notes:<\/p>\n\n\n\n<p>Although each I\/O port can sink more than the test conditions (20mA at VCC = 5V, 10mA at VCC = 3V) under steady state conditions (non-transient), the following must be observed:<br>1.)The sum of all IOL, for ports J0-J7, A0-A7, G2 should not exceed 200mA.<br>2.)The sum of all IOL, for ports C0-C7, G0-G1, D0-D7, L0-L7 should not exceed 200mA.<br>3.)The sum of all IOL, for ports G3-G4, B0-B7, H0-B7 should not exceed 200mA.<br>4.)The sum of all IOL, for ports E0-E7, G5 should not exceed 100mA.<br>5.)The sum of all IOL, for ports F0-F7, K0-K7 should not exceed 100mA.<br>If IOL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater than the listed test condition.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">PWM<\/h5>\n\n\n\n<p>PWM is available on pins 2 &#8211; 13 and 44 &#8211; 46<\/p>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/www.arduino.cc\/en\/Main\/arduinoBoardMega\/ Microcontroller: ATmega1280 Power Power in: From the USB connectors (5V) or the DC plug (7-12V) 5V DCDC reg: MC33269D-5.0, 1%, 1V dropout, 800mA output current rated IO Pins IO voltage: 5V IO pin high voltage&nbsp;(for VCC = 5V): min 0.6VCC to max VCC + 0.5So digital IO pins are compatible with 3.3V input signals. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[],"class_list":["post-365","post","type-post","status-publish","format-standard","hentry","category-arduinos"],"_links":{"self":[{"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/posts\/365","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/comments?post=365"}],"version-history":[{"count":7,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/posts\/365\/revisions"}],"predecessor-version":[{"id":448,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/posts\/365\/revisions\/448"}],"wp:attachment":[{"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/media?parent=365"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/categories?post=365"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/tags?post=365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}