{"id":517,"date":"2022-09-04T21:13:58","date_gmt":"2022-09-04T12:13:58","guid":{"rendered":"http:\/\/blog.y-lab.org\/?p=517"},"modified":"2022-09-04T21:13:58","modified_gmt":"2022-09-04T12:13:58","slug":"avr-da-%e3%81%ae%e5%86%85%e8%94%b5%e3%83%97%e3%83%ab%e3%82%a2%e3%83%83%e3%83%97%e7%89%b9%e6%80%a7","status":"publish","type":"post","link":"https:\/\/blog.y-lab.org\/?p=517","title":{"rendered":"AVR-DA \u306e\u5185\u8535\u30d7\u30eb\u30a2\u30c3\u30d7\u7279\u6027"},"content":{"rendered":"<p>AVR-DA \u30b7\u30ea\u30fc\u30ba\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u306f\u3001IO \u30dd\u30fc\u30c8\u5185\u8535\u306e\u30d7\u30eb\u30a2\u30c3\u30d7\u62b5\u6297\u306e\u96fb\u6c17\u7684\u7279\u6027\u306f\u3042\u307e\u308a\u8a73\u3057\u3044\u8a18\u8ff0\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u4ee3\u8868\u7279\u6027\u3068\u3057\u3066 VDD=3V, VIN = 0V \u306e\u3068\u304d 150uA(typ) 200uA (max) \u3092\u4fdd\u8a3c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_ds.png\"><img loading=\"lazy\" class=\"alignnone wp-image-518 size-full\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_ds.png\" alt=\"\" width=\"667\" height=\"54\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_ds.png 667w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_ds-300x24.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_ds-624x51.png 624w\" sizes=\"(max-width: 667px) 100vw, 667px\" \/><\/a><\/p>\n<p>\u307e\u305f\u3001VDD \u3068 Weak Pull-Up \u96fb\u6d41\u306e\u30b0\u30e9\u30d5 (Fig 38-82) \u304c\u63b2\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u96fb\u6d41\u306f VDD \u96fb\u5727\u306b\u4f9d\u5b58\u3059\u308b\u3088\u3046\u306b\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u6e2c\u5b9a\u6761\u4ef6\u304c\u660e\u78ba\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_ds2.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-519\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_ds2.png\" alt=\"\" width=\"380\" height=\"330\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_ds2.png 380w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_ds2-300x261.png 300w\" sizes=\"(max-width: 380px) 100vw, 380px\" \/><\/a><br \/>\n&#8211; \u3053\u3053\u307e\u3067\u56f3\u8868\u306f AVR64DA28-32-48-64 DS Rev.B \u3088\u308a\u5f15\u7528<\/p>\n<p>\u30de\u30a4\u30b3\u30f3\u306e\u5185\u90e8\u56de\u8def\u306b\u3088\u308a\u307e\u3059\u304c\u3001<br \/>\n1. PU \u62b5\u6297\u306e\u5f62\u6210\u306b MOSFET \u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408<br \/>\n2. PU \u62b5\u6297\u306e\u30a4\u30cd\u30fc\u30d6\u30eb\u3092 FET SW \u3067\u5207\u308a\u66ff\u3048\u3066\u3044\u308b\u5834\u5408<br \/>\n\u306a\u3069\u306e\u6761\u4ef6\u3067\u306f\u3001\u62b5\u6297\u5024\u304c\u975e\u7dda\u5f62\u3068\u306a\u308b\u3053\u3068\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u305f\u3068\u3048\u3070 AT90S \u30b7\u30ea\u30fc\u30ba\u306f\u304b\u306a\u308a\u975e\u7dda\u5f62\u306a\u7279\u6027\u3067\u3057\u305f\u3002<\/p>\n<p>\u5185\u8535\u30d7\u30eb\u30a2\u30c3\u30d7\u3092\u7a4d\u6975\u7684\u306b\u4f7f\u3046\u5fdc\u7528\u3092\u4f5c\u308b\u3046\u3048\u3067\u3053\u306e\u3042\u305f\u308a\u304c\u6c17\u306b\u306a\u3063\u305f\u306e\u3067\u3001\u5b9f\u6e2c\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PE2_2.5V.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-520\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PE2_2.5V-300x188.png\" alt=\"\" width=\"300\" height=\"188\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PE2_2.5V-300x188.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PE2_2.5V-624x392.png 624w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PE2_2.5V.png 691w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PE2_3.3V.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-521\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PE2_3.3V-300x189.png\" alt=\"\" width=\"300\" height=\"189\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PE2_3.3V-300x189.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PE2_3.3V-624x394.png 624w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PE2_3.3V.png 692w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PE2_5V.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-522\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PE2_5V-300x200.png\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PE2_5V-300x200.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PE2_5V-624x417.png 624w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PE2_5V.png 662w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>VDD=2.5, 3.3, 5V \u3067\u3001\u30d7\u30eb\u30a2\u30c3\u30d7\u306b\u8a2d\u5b9a\u3057\u305f PE2 \u30d4\u30f3\u306b\u5bfe\u3057\u3066 VIN \u30920-5V, \u00b10.6mA \u5236\u9650\u3067\u30b9\u30a4\u30fc\u30d7\u3057\u3066\u3001\u30b0\u30e9\u30d5\u306b\u30d7\u30ed\u30c3\u30c8\u3057\u305f\u5165\u529b\u96fb\u6d41 Iin \u3092\u9752\u7dda\u3067\u793a\u3057\u3066\u3044\u307e\u3059\u30020&lt;VIN&lt;VDD \u306e\u7bc4\u56f2\u3067\u307b\u307c\u7dda\u5f62\u3068\u307f\u306a\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002R=20k\u03a9 \u306e\u7834\u7dda\u3068\u3088\u304f\u4e00\u81f4\u3057\u307e\u3059\u3002<br \/>\n\u306a\u304a\u3001VIN&gt;VDD \u3067\u306f\u5bc4\u751f\u30c0\u30a4\u30aa\u30fc\u30c9\u304c\u5c0e\u901a\u3059\u308b\u306e\u3067\u5927\u304d\u306a\u9006\u96fb\u6d41\u304c\u6d41\u308c\u307e\u3059\u3002\u6570\u5341mA \u3092\u8d85\u3048\u308b\u3068 IC \u306b\u3088\u3063\u3066\u306f\u30e9\u30c3\u30c1\u30a2\u30c3\u30d7\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PD5_3.3V.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-523\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PD5_3.3V-300x204.png\" alt=\"\" width=\"300\" height=\"204\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PD5_3.3V-300x204.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PD5_3.3V-624x424.png 624w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PD5_3.3V.png 649w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PF0_3.3V.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-524\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PF0_3.3V-300x204.png\" alt=\"\" width=\"300\" height=\"204\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PF0_3.3V-300x204.png 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PF0_3.3V-624x425.png 624w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2022\/09\/pu_PF0_3.3V.png 670w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>\u4e00\u5fdc\u3001\u30dd\u30fc\u30c8\u3092\u5909\u3048\u3066 PD5, PF0 \u30d4\u30f3\u3067\u3082\u540c\u69d8\u306b\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u3001\u307b\u3068\u3093\u3069\u540c\u4e00\u306e\u7279\u6027\u3067\u3057\u305f\u3002\u5e38\u6e29\u3067\u306f \u30d7\u30eb\u30a2\u30c3\u30d7\u62b5\u6297 R_PU=20k\u03a9\u3068\u307f\u306a\u3057\u3066\u554f\u984c\u306a\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>VIN = 0V \u306e\u96fb\u6d41\u5024\u306f\u5148\u307b\u3069\u793a\u3057\u305f FIg.28-82 \u306e\u30b0\u30e9\u30d5\u3068\u4e00\u81f4\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001FIg.28-82 \u304b\u3089\u3001\u30d1\u30c3\u30b7\u30d6\u306a\u62b5\u6297\u306b\u6bd4\u3079\u3066\u76f8\u5f53\u5927\u304d\u3044\u6e29\u5ea6\u4fc2\u6570 (~2000ppm\/K = 0.2%\/K) \u3092\u3082\u3064\u3053\u3068\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>AVR-DA \u30b7\u30ea\u30fc\u30ba\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u306f\u3001IO \u30dd\u30fc\u30c8\u5185\u8535\u306e\u30d7\u30eb\u30a2\u30c3\u30d7\u62b5\u6297\u306e\u96fb\u6c17\u7684\u7279\u6027\u306f\u3042\u307e\u308a\u8a73\u3057\u3044\u8a18\u8ff0\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u4ee3\u8868\u7279\u6027\u3068\u3057\u3066 VDD=3V, VIN = 0V \u306e\u3068\u304d 150uA(typ) 200uA (max) [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[13,5],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=\/wp\/v2\/posts\/517"}],"collection":[{"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=517"}],"version-history":[{"count":1,"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=\/wp\/v2\/posts\/517\/revisions"}],"predecessor-version":[{"id":525,"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=\/wp\/v2\/posts\/517\/revisions\/525"}],"wp:attachment":[{"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=517"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.y-lab.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}