{"id":10694,"date":"2026-01-09T03:21:25","date_gmt":"2026-01-09T03:21:25","guid":{"rendered":"https:\/\/www.besterpcba.com\/firmwareless-functional-testing\/"},"modified":"2026-01-09T03:22:52","modified_gmt":"2026-01-09T03:22:52","slug":"firmwareless-functional-testing","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/ko\/%ed%8e%8c%ec%9b%a8%ec%96%b4-%ec%97%86%eb%8a%94-%ea%b8%b0%eb%8a%a5-%ed%85%8c%ec%8a%a4%ed%8a%b8\/","title":{"rendered":"\uc548\uc815\ub41c \ud38c\uc6e8\uc5b4 \uc5c6\uc774 \uc218\ud589\ud558\ub294 \uae30\ub2a5 \ud14c\uc2a4\ud2b8: '\uae30\ub2a5\uc801'\uc774\ub77c\uace0 \ubd80\ub974\uc9c0 \ub9d0\uace0, \uac70\uc9d3\ub9d0\ud560 \uc218 \uc5c6\ub294 \uac83\uc744 \uce21\uc815\ud558\uc138\uc694"},"content":{"rendered":"<p>\ud55c \ud300\uc740 \ubd80\ud2b8\ub85c\ub354\uac00 \uce5c\uadfc\ud55c UART \ubc30\ub108\ub97c \ucd9c\ub825\ud588\uae30 \ub54c\ubb38\uc5d0 \u2018\uae30\ub2a5 \ud14c\uc2a4\ud2b8 \ud1b5\uacfc\u2019 \uc2a4\ud0ec\ud504\uac00 \ucc0d\ud78c \ubcf4\ub4dc\ub97c \ubc30\uc1a1\ud588\uc5c8\ub2e4. \ubb38\uc790\uc5f4\uc774 \uc77c\uce58\ud588\uace0, \uace0\uc815\uc7a5\uce58\uac00 \ucd08\ub85d\ubd88\uc744 \ucf30\uc73c\uba70, \uc77c\uc815\ub3c4 \ub35c \ubb34\uc11c\uc6cc \ubcf4\uc600\ub2e4. \uadf8\ub7ec\ub358 \uc5b4\ub290 \ub0a0, \ucd08\uae30 \uc720\ub2db\ub4e4\uc774 \ubb34\uc791\uc704 \ub9ac\uc14b\uacfc \ud568\uaed8 \ub3cc\uc544\uc624\uae30 \uc2dc\uc791\ud588\ub294\ub370\u2014\ucc98\uc74c \uba87 \ucc9c \uac1c\uc758 \uc81c\ud488\uc5d0\uc11c \uc57d 6%\uc758 \ucd08\uae30 \uc2e4\ud328\u2014\uc774\ub54c \uc81c\ud488\uc740 \uc2e0\ub8b0\uc131\uc744 \ud544\uc694\ub85c \ud588\ub2e4. \ubca4\uce58\uc5d0\uc11c\ub294 \ubcf4\ub4dc\uac00 \uad1c\ucc2e\uc544 \ubcf4\uc600\uc9c0\ub9cc, \uc2e4\uc81c \ud65c\ub3d9\uc774 \uc2dc\uc791\ub418\uc790 \ubb38\uc81c\uac00 \ub4dc\ub7ec\ub0ac\ub2e4: BLE \uc804\uc1a1 \ubc84\uc2a4\ud2b8\uac00 \uc804\uc6d0 \uc2dc\uc2a4\ud15c\uc744 \ub04c\uc5b4\ub2f9\uae30\uace0 1.8V \ub808\uc77c\uc758 \uac15\ud558\uac00 \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\uc5d0 \uba85\ud655\ud788 \ub098\ud0c0\ub0ac\ub2e4. \uadfc\ubcf8 \uc6d0\uc778\uc740 \ubbf8\uc2a4\ud130\ub9ac\ud55c \ud38c\uc6e8\uc5b4 \ud589\ub3d9\uc774 \uc544\ub2c8\uc5c8\ub2e4. \uc870\ub9bd \ud604\uc2e4\uc774\uc5c8\ub2e4: \uc720\uc0ac\ud55c \uc0c1\ub2e8 \ub9c8\ud06c\ub97c \uac00\uc9c4 \uc778\ub355\ud130\uc774\uc9c0\ub9cc \ud3ec\ud654 \ud2b9\uc131\uc774 \ub2ec\ub790\uace0, \ub808\uc77c\uc744 \uc2a4\ud2b8\ub808\uc2a4 \ud14c\uc2a4\ud2b8\ud558\uc9c0 \uc54a\ub294 \ud14c\uc2a4\ud2b8\uc600\ub2e4.<\/p>\n\n\n\n<p>\uadf8 \ud0c8\ucd9c\uad6c\ub294 \ub2e8\uc21c\ud55c \uae30\uc220\uc801 \uc2e4\uc218\ub9cc\uc774 \uc544\ub2c8\ub2e4; \uadf8\uac83\uc740 \uae30\uc220 \ubcf5\uc7a5\uc744 \ud55c \uc0ac\ud68c\uc801 \uc2e4\ud328\ub2e4. \ud55c \ubcf4\uace0\uc11c\uac00 \u201c\uae30\ub2a5\uc801 PASS\u201d\ub77c\uace0 \ub9d0\ud558\uba74, \ub2e4\ub978 \uc0ac\ub78c\ub4e4\uc740 \u201c\uae30\ub2a5\uc774 \uac80\uc99d\ub418\uc5c8\ub2e4\u201d\uace0 \ub4e3\uace0, \uc870\uc9c1\uc740 \uc798\ubabb\ub41c \uc9c0\ub3c4\uc5d0\uc11c \uc120\uc801 \uacb0\uc815\uc744 \ub0b4\ub9ac\uae30 \uc2dc\uc791\ud55c\ub2e4.<\/p>\n\n\n\n<p>\uae30\ub2a5\uc801\uc774\ub77c\ub294 \uac83\uc740 \u201c\ubb34\uc5b8\uac00\ub97c \ucd9c\ub825\ud55c\ub2e4\u201d\uc758 \ub3d9\uc758\uc5b4\uac00 \uc544\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"scope-first-a-test-that-lies-by-accident-still-lies\">\ubc94\uc704 \uc6b0\uc120\uc21c\uc704: \uc6b0\uc5f0\ud788 \uac70\uc9d3\uc778 \ud14c\uc2a4\ud2b8\ub294 \uc5ec\uc804\ud788 \uac70\uc9d3\uc774\ub2e4<\/h2>\n\n\n<p>\ud38c\uc6e8\uc5b4\uac00 \ub2a6\uac70\ub098 \ubd88\uc548\uc815\ud560 \ub54c, \ucd08\uae30 \ud14c\uc2a4\ud2b8\ub294 \uadf8\ub4e4\uc774 \ud558\ub294 \uc5ed\ud560\ucc98\ub7fc \ud589\ub3d9\ud574\uc57c \ud55c\ub2e4: \uc870\ub9bd \uacb0\ud568 \uac10\uc9c0\uae30\uc640 \ud558\ub4dc\uc6e8\uc5b4 \uae30\uc900\uc120. \uadf8\uac83\ub4e4\uc744 \u201c\uae30\ub2a5\uc801\u201d\uc774\ub77c\uace0 \ubd80\ub974\ub294 \uac83\uc740 \ud300\uc774 \uc2e4\uc218\ub85c \ud589\ub3d9\ud558\uc9c0 \uc54a\uc740 \uac83\uc744 \uc778\uc99d\ud558\ub294 \ubc29\ubc95\uc774\ub2e4.<\/p>\n\n\n\n<p>\uc5ec\uae30\uc11c \u201c\uae30\ub2a5 \ud14c\uc2a4\ud2b8\u201d \ub77c\ubca8 \ud568\uc815\uc774 \uc788\ub2e4. \ub204\uad70\uac00\uac00 \u201c\ud38c\uc6e8\uc5b4 \uc5c6\ub294 \uae30\ub2a5 \ud14c\uc2a4\ud2b8\uac00 \ud544\uc694\ud558\ub2e4\u201d\uace0 \ub9d0\ud558\uba74, \ubcf4\ud1b5 \uc758\ubbf8\ud558\ub294 \uac83\uc740 \u201c\uc81c\uc870 \ub77c\uc778\uc744 \ud38c\uc6e8\uc5b4 \uc2e4\ud5d8\uc2e4\ub85c \ub9cc\ub4e4\uc9c0 \uc54a\uace0\ub3c4 \uacc4\uc18d \uc6c0\uc9c1\uc774\uac8c \ud558\ub294 \ubc29\ubc95\uc774 \ud544\uc694\ud558\ub2e4\u201d\uc774\ub2e4. \uc774\ub294 \uc11c\ub85c \ub2e4\ub978 \ubaa9\ud45c\ub2e4. \uccab \ubc88\uc9f8 \ud45c\ud604\uc740 \ub300\ucda9 PASS\/FAIL \ub3c4\uc7a5\uc744 \ud5c8\uc6a9\ud55c\ub2e4. \ub450 \ubc88\uc9f8\ub294 \uba85\ud655\ud55c \uc8fc\uc7a5\uacfc \ube44\uc8fc\uc7a5\uc744 \ud3ec\ud568\ud558\ub294 \ubc94\uc704 \uc9c0\uc815\ub41c \ud14c\uc2a4\ud2b8\ub97c \uc694\uad6c\ud558\uba70, \uc774\ub294 \ube4c\ub4dc \uac80\ud1a0\uc5d0\uc11c \ub17c\uc7c1\uc774 \ubc18\ubcf5\ub418\ub294 \uac83\uc744 \ubc29\uc9c0\ud55c\ub2e4. \ub610\ud55c, \ub9ac\ub354\uc2ed\uc774 \ud1b5\uacfc\uc728\uc744 \ubb3b\uac70\ub098 \ub204\uad70\uac00 \uc790\ub3d9\ud654\uc640 \ud488\uc9c8\uc744 \ub3d9\uc77c\uc2dc\ud558\ub824 \ud560 \ub54c \ub300\uc2dc\ubcf4\ub4dc\ub97c \uc815\uc9c1\ud558\uac8c \uc720\uc9c0\ud55c\ub2e4.<\/p>\n\n\n\n<p>\ubc94\uc704 \uc774\ud0c8\uc744 \ubc29\uc9c0\ud558\ub824\uba74, \ubaa8\ub4e0 \ucd08\uae30 \ud14c\uc2a4\ud2b8 \uacc4\ud68d\uc774 \ub450 \uac00\uc9c0 \uc9c8\ubb38\uc5d0 \uc11c\uba74\uc73c\ub85c \ub2f5\ud558\ub3c4\ub85d \uac15\uc81c\ud558\ub77c: \uc774\uac83\uc774 \uc7a1\ub294 \uacb0\ud568\uc740 \ubb34\uc5c7\uc774\uba70, \uc774\uac83\uc774 \uc778\uc99d\ud558\ub294 \uc81c\ud488 \ud589\ub3d9\uc740 \ubb34\uc5c7\uc778\uac00 <em>\uc544\ub2c8<\/em> \uc77c\ubd80 \ud300\uc740 DVT\uc5d0\uc11c PVT\ub85c\uc758 \uc778\uc218 \uacfc\uc815\uc5d0\uc11c \uc774\ub97c \ub450 \uce7c\ub7fc \uc11c\uba85 \uc0b0\ucd9c\ubb3c\ub85c \uacf5\uc2dd\ud654\ud558\ub294\ub370, \uc774\ub294 \uae30\uc5b5\uc774 \uc77c\uc815 \uc555\ub825\uc744 \uacac\ub514\uc9c0 \ubabb\ud558\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ubc94\uc8fc<\/th><th>\uc774 \ud14c\uc2a4\ud2b8\ub294 \uc774\ub97c \uc8fc\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/th><th>\uc774 \ud14c\uc2a4\ud2b8\ub294 \uc774\ub97c \uc8fc\uc7a5\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4<\/th><\/tr><\/thead><tbody><tr><td>\uc870\uae30 \uc870\ub9bd \uc2a4\ud06c\ub9ac\ub2dd<\/td><td>\uc815\uc758\ub41c \uce21\uc815\uac12(\ub808\uc77c\/\ud074\ub85d\/\ub9ac\uc14b\/\uc5f0\uc18d\uc131\/\uc544\ub0a0\ub85c\uadf8 \uc9c4\uc2e4 1\uac1c \ub610\ub294 2\uac1c)\uacfc \uc77c\uce58\ud558\ub294 \uc870\ub9bd \uacb0\ud568\uc744 \uac10\uc9c0\ud569\ub2c8\ub2e4<\/td><td>\uace0\uac1d\uc774 \ubcfc \uc218 \uc788\ub294 \uae30\ub2a5, \uc870\uac74\ubcc4 \uc131\ub2a5, \uc548\uc804\/\uc900\uc218 \ub610\ub294 \ub113\uc740 \uc758\ubbf8\uc758 \u201c\uc791\ub3d9\u201d\uc744 \uc778\uc99d\ud569\ub2c8\ub2e4<\/td><\/tr><tr><td>\ud38c\uc6e8\uc5b4 \uc9c0\uc6d0 \ud6c4\uc18d<\/td><td>\ubc84\uc804\uc774 \uc9c0\uc815\ub418\uace0 \uc7ac\ud604 \uac00\ub2a5\ud55c \ud14c\uc2a4\ud2b8 \uc774\ubbf8\uc9c0 \ubc0f \uc694\uad6c \uc0ac\ud56d \ucd94\uc801\uacfc \uc5f0\uacb0\ub41c \ud2b9\uc815 \ub3d9\uc791\uc744 \uac80\uc99d\ud569\ub2c8\ub2e4<\/td><td>\ud65c\uc131\ud654\ub41c \uae30\ub2a5 \ud50c\ub798\uadf8 \uc678 \ub610\ub294 \ud14c\uc2a4\ud2b8 \uc870\uac74 \uc678\uc758 \ubc94\uc704\ub97c \uc554\uc2dc\ud569\ub2c8\ub2e4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\uc804\ubb38\uac00 \ub300\uc0c1\uc740 \uc5ec\uae30\uc11c JTAG, SWD, UART, I2C \ub610\ub294 SPI\uc758 \uc815\uc758\uac00 \ud544\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc720\uc6a9\ud55c \uc791\uc5c5\uc740 \uc624\ub298 \uacb0\uc815\uc801\uc73c\ub85c \uce21\uc815\ud560 \uc218 \uc788\ub294 \uac83\uc744 \uacb0\uc815\ud558\uace0, \uadf8 \uce21\uc815\uac12\uc774 \uc5b4\ub5bb\uac8c \uba85\uba85\ub418\uace0 \uc804\ub2ec\ub418\uc5b4 \ub204\uad6c\ub3c4 \uadf8\ub9b0 \ub77c\uc774\ud2b8\ub97c \ubb34\uae30\ud654\ud558\uc9c0 \uc54a\ub3c4\ub85d \ud558\ub294\uc9c0\uc5d0 \uad00\ud55c \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"measurementfirst-baseline-rails-then-clocksresets-then-one-analog-truth\">\uce21\uc815-\uc6b0\uc120 \uae30\uc900\uc120: \ub808\uc77c, \uadf8 \ub2e4\uc74c \uc2dc\uacc4\/\ub9ac\uc14b, \uadf8\ub9ac\uace0 \ud558\ub098\uc758 \uc544\ub0a0\ub85c\uadf8 \uc9c4\uc2e4<\/h2>\n\n\n<p>\uae30\uc900\uc120\uc740 \u201c\ub354 \ub9ce\uc740 \ud14c\uc2a4\ud2b8 \ucd94\uac00\u201d\ub97c \uc758\ubbf8\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ubcf4\ub4dc\uac00 \uc5b4\ub5a4 \ud38c\uc6e8\uc5b4 \uc99d\uc0c1\uc774 \ub17c\uc758\ud560 \uac00\uce58\uac00 \uc788\uae30 \uc804\uc5d0 \ucda9\uc871\ud574\uc57c \ud558\ub294 5~8\uac1c\uc758 \ubd88\ubcc0 \uc870\uac74\uc744 \ud655\ub9bd\ud558\ub294 \uac83\uc744 \uc758\ubbf8\ud558\uba70, \ub808\uc77c\uacfc \ud074\ub85d\uc740 \ubaa8\ub4e0 \uac83\uc758 \uc804\uc81c \uc870\uac74\uc774\uae30 \ub54c\ubb38\uc5d0 \uc804\ud1b5\uc801\uc778 \ubd88\ubcc0 \uc870\uac74\uc785\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \uc774\ub4e4\uc740 \ub85c\uadf8 \ub300\uc2e0 \uacc4\uce21\uae30\uc5d0\uc11c \ucea1\ucc98\ud560 \ub54c \ub17c\uc7c1\ud558\uae30 \uc5b4\ub835\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774\uac83\uc740 \u201c\ub2a6\uc740 \ud38c\uc6e8\uc5b4 \ubcc0\uba85\uc73c\ub85c \uc2dc\uacc4 \ubb38\uc81c\ub97c \uc228\uae34 \ud328\ud134\u201d\uc5d0 \ub098\ud0c0\ub0a9\ub2c8\ub2e4. \ud55c \uacbd\uc6b0\uc5d0\ub294 \ubcf4\ub4dc\uac00 \ub54c\ub54c\ub85c \ubd80\ud305\ub418\uace0 \ub54c\ub54c\ub85c \uba48\ucdc4\uc73c\uba70, \u201c\ud38c\uc6e8\uc5b4\uac00 \ubd88\uc548\uc815\ud558\ub2e4\u201d\ub294 \uac83\uc774 \uae30\ubcf8 \uc124\uba85\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ud574\uacb0\ucc45\uc740 \ubcc0\ub3d9\uc131\uc744 \uc81c\uac70\ud558\ub294 \uac83\uc5d0\uc11c \uc2dc\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4: 50\ubc88\uc758 \uc804\uc6d0 \uc0ac\uc774\ud074 \ub3d9\uc548 \ub3d9\uc77c\ud55c \uc2e4\ud5d8\uc744 \ubc18\ubcf5\ud558\uace0, \uc624\uc2e4\ub808\uc774\ud130 \uc2dc\uc791 \ubc0f \ub9ac\uc14b \ud0c0\uc774\ubc0d\uc744 \uce21\uc815\ud558\uba70, \uc77c\uad00\ub418\uc9c0 \uc54a\uc740 \ub85c\uadf8\ub97c \uc99d\uac70\ub85c \ucde8\uae09\ud558\ub294 \uac83\uc744 \uba48\ucd94\ub294 \uac83\uc774\uc5c8\uc2b5\ub2c8\ub2e4. \ucc28\uac00\uc6b4 \uc870\uac74\uc5d0\uc11c \uc2dc\uacc4 \uc18c\uc2a4\ub294 \ubd80\ud558 \ucee4\ud328\uc2dc\ud130 \uc120\ud0dd \ub54c\ubb38\uc5d0 \uc2dc\uc791\uc774 \ubbf8\ubbf8\ud588\uc73c\uba70, \uc774\ub294 \uc885\uc774\uc0c1\uc73c\ub85c\ub294 \u201c\ucda9\ubd84\ud788 \uac00\uae4c\uc6b4\u201d \uc218\uc900\uc774\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub97c \uce21\uc815\ud558\uace0 \uc218\uc815\ud55c \ud6c4, \ud38c\uc6e8\uc5b4\ub294 \ubd88\uc548\uc815\ud558\uac8c \ubcf4\uc774\uc9c0 \uc54a\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub4dd\uc740 \ub354 \ub098\uc740 \ub85c\uadf8 \ud615\uc2dd\uc774 \uc544\ub2c8\ub77c \ud30c\ud615\uacfc \ubc18\ubcf5\uc131 \uaddc\uc728\uc774\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uae30\uc900\uc120\uc758 \uccab \ubc88\uc9f8 \uc6b0\uc120\uc21c\uc704\ub294 \uc804\uc6d0 \ub808\uc77c\uc785\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \ub808\uc77c\uc774 \uc798\ubabb\ub418\uba74 \ubaa8\ub4e0 \ub2e4\ub978 \uc99d\uc0c1\uc774 \uac70\uc9d3\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc774\ub294 \u201c\ubd80\ud305\ub418\ubbc0\ub85c \uc804\uc6d0\uc774 \uc815\uc0c1\uc774\ub2e4\u201d\ub77c\ub294 \uac83 \uc774\uc0c1\uc744 \uce21\uc815\ud558\ub294 \uac83\uc744 \uc758\ubbf8\ud558\uba70, \ub808\uc77c\uc758 \uacf5\uce6d \uc804\uc555, \ud65c\uc131\ud654 \ubc0f \ub9ac\uc14b\uc5d0 \ub530\ub978 \uc2dc\ud000\uc2f1, \uc54c\ub824\uc9c4 \ub300\uc5ed\ud3ed\uacfc \uc801\uc808\ud55c \ud504\ub85c\ube0c \uae30\uc220\uc744 \uc0ac\uc6a9\ud558\ub294 \ub9ac\ud50c\/\ub178\uc774\uc988, \uadf8\ub9ac\uace0 \ucd5c\uc545\uc758 \uacbd\uc6b0\ub97c \ubaa8\ubc29\ud55c \uc758\ub3c4\ub41c \uc2a4\ud2b8\ub808\uc2a4\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4. Tektronix MDO3000 \uc2dc\ub9ac\uc988 \uc624\uc2e4\ub85c\uc2a4\ucf54\ud504\uc640 Keysight E36313A\uc640 \uac19\uc740 \ubca4\uce58 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\ub294 \ub9ce\uc740 \uc791\uc5c5\uc744 \ubb34\uc758\ubbf8\ud558\uac8c \ud558\uc9c0 \uc54a\uace0 \uc218\ud589\ud560 \uc218 \uc788\uc73c\uba70, Fluke 87V\uc640 \uac19\uc740 \uad50\uc815\ub41c \ub514\uc9c0\ud138 \uba40\ud2f0\ubbf8\ud130\ub294 \ube60\ub974\uac8c \ud3c9\ubc94\ud55c \uac70\uc9d3\ub9d0\uc744 \uc7a1\uc544\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\u201c1\/4 \uac00\uaca9\uc758 PASS \uc2a4\ud0ec\ud504\u201d \uc774\uc57c\uae30\ub294 \uacfc\ub3c4 \ubd80\ud558 \uc751\ub2f5\uc744 \uc120\ud0dd\uc0ac\ud56d\uc774 \uc544\ub2c8\ub3c4\ub85d \ucde8\uae09\ud558\ub294 \uc88b\uc740 \uc774\uc720\uc785\ub2c8\ub2e4. UART \ubc30\ub108 \ube44\uad50\ub294 \ubd80\ud2b8\uac00 \ub77c\ub514\uc624, \ubaa8\ud130 \ub610\ub294 \uc13c\uc11c\uac00 \ubc84\uc2a4\ud2b8\ub85c \uc804\ub958\ub97c \ub04c\uc5b4\ub2f9\uae30\ub294 \uac83\uc5d0 \ube44\ud574 \ub0ae\uc740 \uc2a4\ud2b8\ub808\uc2a4 \uc774\ubca4\ud2b8\uc774\uae30 \ub54c\ubb38\uc5d0 \ud55c\uacc4 \ub808\uc77c\uc5d0\uc11c\ub3c4 \ud1b5\uacfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 10\ucd08 \uac04\uc758 \uc2a4\ud06c\ub9bd\ud2b8 \ubd80\ud558 \ub2e8\uacc4 \ub610\ub294 \uc2e4\uc81c \uc804\ub958 \uacfc\ub3c4\uc5d0 \uadfc\uc811\ud558\ub294 \ubc18\ubcf5 \uac00\ub2a5\ud55c \ub2e8\uacc4\ub294 \ub300\uccb4 \uc778\ub355\ud130, \uc798\ubabb\ub41c \uac12\uc758 \ucee4\ud328\uc2dc\ud130 \ub610\ub294 \uac70\uc758 \uc548\uc815\uc801\uc774\uc9c0 \uc54a\uc740 \ub808\uade4\ub808\uc774\ud130\ub97c \ube60\ub974\uac8c \ub4dc\ub7ec\ub0b4\ub294 \uc800\ub834\ud55c \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc2a4\ud2b8\ub808\uc2a4 \uc5c6\uc774 \ud14c\uc2a4\ud2b8\ub294 \ubcf4\ub4dc\uac00 \uc870\uc6a9\ud55c\uc9c0 \uc5ec\ubd80\ub9cc \uac80\uc0ac\ud558\uba70, \uac74\uac15 \uc0c1\ud0dc\ub97c \ud655\uc778\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774 \uc2dc\uc810\uc5d0\uc11c I2C \uc2a4\uce94 \ud568\uc815\uc740 \u201c\uc6b0\ub9ac\uc758 I2C \uc2a4\uce94\uc774 \uc7a5\uce58\ub97c \ubcf4\uc5ec\uc8fc\ubbc0\ub85c \ud558\ub4dc\uc6e8\uc5b4\uac00 \uc88b\ub2e4\u201d\ub77c\ub294 \ud328\ud134\uc73c\ub85c \ub098\ud0c0\ub098\ub294 \uacbd\ud5a5\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc5f4\uac70\ub294 \uc798\ubabb\ub41c \ud480\uc5c5 \uac12, \ub808\ubca8 \uc2dc\ud504\ud130\ub97c \uacf5\uae09\ud558\ub294 \ud55c\uacc4 \ub808\uc77c, \uc9c4\ub3d9 \uc2dc \uc5f4\ub9bc\uc774 \ubc1c\uc0dd\ud558\ub294 \ucf5c\ub4dc \uc870\uc778\ud2b8 \ub610\ub294 \uc2dc\uc791\uc774 \ub290\ub824\uc11c \ud0c0\uc774\ubc0d\uc744 \uad50\ub780\ud558\ub294 \ud074\ub85d\uc5d0\uc11c\ub3c4 \uc5ec\uc804\ud788 \ud1b5\uacfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc544\ub0a0\ub85c\uadf8 \uae30\uc900\uc774 \uc800\ud488\uc9c8\uc778 \uc0c1\ud0dc\uc5d0\uc11c\ub3c4 \ud1b5\uacfc\ud560 \uc218 \uc788\ub294\ub370, \uc774\ub294 \ub514\uc9c0\ud138 \ud1b5\uc2e0\uc774 \ud604\uc7a5\uc5d0\uc11c \uce21\uc815\uac12\uc774 \ud754\ub4e4\ub9b4 \ub54c\uae4c\uc9c0 \uc644\ubcbd\ud558\uac8c \uc720\uc9c0\ub418\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. I2C \uc2a4\uce94\uc740 \uc720\uc6a9\ud55c \uc5f0\uae30 \uac80\uc0ac\uc774\uc9c0\ub9cc, \uc548\uc815\uc801\uc778 \uc804\uc6d0\uacfc \ud0c0\uc774\ubc0d \uae30\ubc18\uc758 \uc99d\uac70\ub294 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ud38c\uc6e8\uc5b4 \ubcc0\uacbd\uc744 \uacac\ub51c \uc218 \uc788\ub3c4\ub85d \uc124\uacc4\ub41c \uae30\uc900\uc120\uc740 \uc801\uc5b4\ub3c4 \ud558\ub098\uc758 \uad6c\uccb4\uc801\uc778 \uc784\uacc4\uac12 \uc608\uc2dc\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \ubaa8\ud638\ud568\uc740 \u201c\uce21\uc815\u201d\uc774 \ubd84\uc704\uae30\ub85c \ubc14\ub00c\ub294 \ubc29\uc2dd\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc608\uc2dc\uc77c \ubfd0\uc774\uba70 \ubcf4\ud3b8\uc801\uc778 \uaddc\uce59\uc740 \uc544\ub2d9\ub2c8\ub2e4: 1.8V \ub808\uc77c\uc740 \u00b15%\uc758 \uc548\uc815 \uc0c1\ud0dc \ub0b4\uc5d0 \uc720\uc9c0\ub418\uc5b4\uc57c \ud558\uba70, \uc815\uc758\ub41c \ubd80\ud558 \ub2e8\uacc4(\uc608: \uc608\uc0c1 \ub77c\ub514\uc624 \ubc84\uc2a4\ud2b8\ub97c \uadfc\uc0ac\ud558\ub294 \uac83)\uc5d0\uc11c \ub4dc\ub86d\uc740 &lt;100mV\ub85c \uc81c\ud55c\ub418\uace0 \uc9e7\uc740 \uc2dc\uac04 \ub0b4\uc5d0 \ud68c\ubcf5\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uc2dc\uac04\ucc3d\uc740 \ub808\uade4\ub808\uc774\ud130, \ubd80\ud558 \ud504\ub85c\ud30c\uc77c, \uadf8\ub9ac\uace0 \ud6c4\uc18d IC\uac00 \uacac\ub51c \uc218 \uc788\ub294\uc9c0\uc5d0 \ub530\ub77c \uc218 \ub9c8\uc774\ud06c\ub85c\ucd08 \ub610\ub294 \uc218 \ubc00\ub9ac\ucd08\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub54c \ubd88\ud655\uc2e4\uc131 \uacbd\uacc4\uac00 \uc911\uc694\ud558\uba70, \ub9ac\ud50c\uacfc \ub4dc\ub86d \uc784\uacc4\uac12\uc740 \ud2b9\uc815 \ub808\uade4\ub808\uc774\ud130 \ubcf4\uc0c1, \ud504\ub85c\ube59 \ub300\uc5ed\ud3ed, \ud504\ub85c\ube0c\uc758 \ubb3c\ub9ac\uc801 \ub8e8\ud504 \uc601\uc5ed, \uadf8\ub9ac\uace0 \uc2e4\uc81c \uacfc\ub3c4 \ud615\ud0dc\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc784\uacc4\uac12\uc744 \uc815\uc9c1\ud558\uac8c \ub9cc\ub4e4\uae30 \uc704\ud574\uc11c\ub294 \uace8\ub4e0 \uc720\ub2db\uacfc \uc54c\ub824\uc9c4 \ubd88\ub7c9 \uc720\ub2db(\ub610\ub294 \uc720\ub3c4\ub41c \uacb0\ud568)\uc5d0\uc11c \uac80\uc99d\ud558\uc5ec \uce21\uc815\uc774 \u201c\uac74\uac15\u201d\uacfc \u201c\uace7 RMA \ub300\uae30\uc5f4\uc744 \uc0dd\uc131\ud560 \uac83\u201d\uc744 \uad6c\ubcc4\ud558\ub294\uc9c0 \ud655\uc778\ud558\ub294 \uac83\uc774 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uae30\uc900\uc120\uc5d0\ub294 \ud63c\ud569 \uc2e0\ud638 \ubcf4\ub4dc\uc5d0\uc11c \uc791\uc740 \uc544\ub0a0\ub85c\uadf8 \uac80\uc99d \uc138\ud2b8\ub3c4 \ud3ec\ud568\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc544\ub0a0\ub85c\uadf8\ub97c \uac74\ub108\ub6f0\ub294 \uac83\uc740 \ud300\uc774 '\ub0b4 \ubca4\uce58\uc5d0\uc11c \uc791\ub3d9\ud558\ub294' \uc7ac\uc559\uc744 \ubc30\ub2ec\ud558\ub294 \ubc29\ubc95\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc804\ud1b5\uc801\uc778 \uc2e4\ud328\ub294 \ubbf8\ubb18\ud558\uace0 \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4dc\ub294\ub370, \ub514\uc9c0\ud138 \uc778\ud130\ud398\uc774\uc2a4\ub294 \uc644\ubcbd\ud558\uace0 \uac12\uc774 \uc2e4\uc628\uc5d0\uc11c \ud569\ub9ac\uc801\uc73c\ub85c \ubcf4\uc774\uc9c0\ub9cc, \ud604\uc7a5 \uce21\uc815\uac12\uc740 \uc628\ub3c4 \ub610\ub294 \uacf5\uae09 \ubcc0\ub3d9\uc5d0 \ub530\ub77c \ub4dc\ub9ac\ud504\ud2b8\ud569\ub2c8\ub2e4. \ud55c \uc13c\uc11c \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c\ub294 \uc6d0\uc778\uc73c\ub85c \ubd80\uc871\uc73c\ub85c \uc778\ud55c \ub300\uccb4\uac00 \uc788\uc5c8\ub294\ub370, \uc774\ub294 \ubd80\ud488 \ubc88\ud638\uac00 \ud55c \ubb38\uc790\ub9cc \ub2e4\ub978 \ud5c8\uc6a9 \uc624\ucc28 \ub4f1\uae09\uc774 \uc798\ubabb\ub41c 2.048 V \uae30\uc900 \uc804\uc555\uc774\uc5c8\uc2b5\ub2c8\ub2e4. \ud38c\uc6e8\uc5b4\ub294 \ucc38\uc870 \ud540\uc744 \uce21\uc815\ud558\uace0 \uace0\uc815\ub41c \uc785\ub825\uc73c\ub85c ADC \ucf54\ub4dc \ubd84\ud3ec\ub97c \uc0b4\ud3b4\ubcfc \ub54c\uae4c\uc9c0 \ubcf4\uc0c1 \ud14c\uc774\ube14\ub85c \ub4dc\ub9ac\ud504\ud2b8\ub97c \uac10\ucd94\ub824\uace0 \ud588\uc2b5\ub2c8\ub2e4. \ud574\uacb0\ucc45\uc740 BOM \uc81c\uc5b4\uc640 \uc5c4\uaca9\ud55c \uc784\uacc4\uac12\uc744 \uac00\uc9c4 \ucd08\uae30 \ud14c\uc2a4\ud2b8\uc5d0\uc11c\uc758 \ub2e8\uc77c \uae30\uc900 \uce21\uc815\uc774\uc5c8\uc73c\uba70, \uc774\ub97c \ud1b5\ud574 \ub300\uccb4\ub97c \uc7a1\uc544\ub0bc \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \uad50\uc815\uc740 \uad50\uccb4\ub41c \ubd80\ud488 \uacc4\uc5f4\uc744 \uc218\uc815\ud560 \uc218 \uc5c6\uc73c\uba70, \uc2e4\ud328\ub97c \uac10\ucd94\uae30\ub9cc \ud560 \ubfd0\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ud074\ub85d\uacfc \ub9ac\uc14b\uc740 \ub808\uc77c\uacfc \uac19\uc740 \uc774\uc720\ub85c \uae30\uc900\uc120 \uc704\uce58\uac00 \ud544\uc694\ud569\ub2c8\ub2e4: \ud55c\uacc4\uc5d0 \uac00\uae4c\uc6b0\uba74 \uac70\uc9d3\ub9d0\uc744 \ub9cc\ub4e4\uc5b4\ub0b4\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uac04\ub2e8\ud55c \uc2b5\uad00\u2014\ub9ac\uc14b \ud574\uc81c \ud0c0\uc774\ubc0d\uacfc \uc624\uc2e4\ub808\uc774\ud130 \uc2dc\uc791\uc744 \uc218\uc2ed \ubc88\uc758 \uc804\uc6d0 \uc0ac\uc774\ud074\uc5d0 \uac78\uccd0 \ud3ec\ucc29\ud558\ub294 \uac83\u2014\uc740 '\ubb34\uc791\uc704 \uc815\uc9c0'\ub97c \uc7ac\ud604 \uac00\ub2a5\ud55c \uc2dc\uc2a4\ud15c\uc73c\ub85c \ubc14\uafc9\ub2c8\ub2e4. \ub610\ud55c \uc2dc\uac04\ub300\uac00 \ub2e4\ub978 \ud300\ub4e4\uc774 \ubc24\uc0c8 \ub204\uac00 \ubb34\uc5c7\uc744 \uace0\uc7a5 \ub0c8\ub294\uc9c0\uc5d0 \ub300\ud55c Slack \ub17c\uc7c1\uc73c\ub85c \ub9e4\ubc88 \uac04\ud5d0\uc801 \ubb38\uc81c\ub97c \ubc14\uafb8\ub294 \uac83\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"prove-the-fixture-before-blaming-the-boards-goldenfirst-discipline\">\ubcf4\ub4dc\uc5d0 \ucc45\uc784\uc744 \ubb3b\uae30 \uc804\uc5d0 \uace0\uc815\uc7a5\uce58\ub97c \uc99d\uba85\ud558\ub77c (\uace8\ub4e0-\ud37c\uc2a4\ud2b8 \uaddc\uc728)<\/h2>\n\n\n<p>\uac04\ud5d0\uc801 \uc2e4\ud328\ub294 \uc885\uc885 \uae30\uacc4\uc801 \uc6d0\uc778\uc744 \uac00\uc9c0\uba70, \uc0dd\uc0b0 \uace0\uc815\uad6c\ub294 \uc804\uae30\uc801 \ubd80\uc791\uc6a9\uc774 \uc788\ub294 \uae30\uacc4\uc801 \uc2dc\uc2a4\ud15c\uc785\ub2c8\ub2e4. \uace0\uc815\uad6c \uacb0\uacfc\ub97c \uc99d\uba85\ud558\uc9c0 \uc54a\uace0 \uadf8\ub300\ub85c \uc2e0\ub8b0\ud558\ub294 \uac83\uc740 \ud300\uc774 \uc7ac\uc791\uc5c5\uc5d0 \uba70\uce60\uc744 \ub0ad\ube44\ud558\uac8c \ub9cc\ub4ed\ub2c8\ub2e4. \uc774\ub294 \uacb0\ucf54 \ub3c4\uc6c0\uc774 \ub420 \uae30\ud68c\uac00 \uc5c6\uc5c8\ub358 \uc7ac\uc791\uc5c5\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uce68\ub300 \ubabb \uace0\uc815\uad6c\ub294 \uc774\uc804\uc5d0 \ubca4\uce58 \ubd80\ud305\uc744 \ud1b5\uacfc\ud55c \ubcf4\ub4dc\uc5d0\uc11c \uc2e4\ud328\ud558\uae30 \uc2dc\uc791\ud588\uc2b5\ub2c8\ub2e4. \uc99d\uc0c1\uc740 \uc77c\uad00\ub418\uc9c0 \uc54a\uc544 '\ud38c\uc6e8\uc5b4 \ubd88\uc548\uc815\uc131'\uc774 \uc27d\uac8c \ud76c\uc0dd\uc591\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ub354 \ube60\ub978 \ubc29\ubc95\uc740 \uc54c\ub824\uc9c4 \uc88b\uc740 \uace8\ub4e0 \ubcf4\ub4dc\ub97c \uace0\uc815\uad6c\ub97c \ud1b5\ud574 \uc2e4\ud589\ud558\uace0 \ud3ec\uace0 \ud540 \uac04\uc758 \uc811\ucd09 \uc800\ud56d\uc744 \ube44\uad50\ud558\ub294 \uac83\uc774\uc5c8\uc2b5\ub2c8\ub2e4. \uace8\ub4e0\ub3c4 \uc2e4\ud328\ud588\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc989\uc2dc \uc124\uacc4\ubcf4\ub2e4 \ud14c\uc2a4\ud2b8 \uc778\ud504\ub77c\ub85c \ucc45\uc784\uc744 \ub3cc\ub9ac\uac8c \ud588\uc2b5\ub2c8\ub2e4. \uc6d0\uc778\uc740 \uba85\ud655\ud588\uc2b5\ub2c8\ub2e4: \uace0\uc815\uad6c\uc758 \ucee4\ub125\ud130 \ud558\uc6b0\uc9d5\uc774 \ud5c8\uc6a9 \uc624\ucc28\ub97c \ubc97\uc5b4\ub098 \uc815\ub82c\uc774 \uc5b4\uae0b\ub098 \ub450 \ud3ec\uace0 \ud540\uc774 \uac70\uc758 \uc811\ucd09\ud558\uc9c0 \uc54a\uc558\ub358 \uac83\uc785\ub2c8\ub2e4. \ucee4\ub125\ud130\ub97c \uad50\uccb4\ud558\uc790 \uc2e4\ud328 \ud328\ud134\uc774 \uc0ac\ub77c\uc84c\uc2b5\ub2c8\ub2e4. \uc774\ud6c4\uc5d0\ub294 \uace0\uc815\uad6c \uc790\uccb4 \ud14c\uc2a4\ud2b8 \ub2e8\uacc4\uac00 \ud544\uc218 \uc0ac\ud56d\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774 \uacb0\uc815 \ud2b8\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub300\ubd80\ubd84\uc758 \ucd08\uae30 \ud63c\ub780\uc744 \ubc29\uc9c0\ud558\uc138\uc694:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uae08\ube5b \uc720\ub2db\uc774 \uace0\uc815\uc7a5\uce58\uc5d0\uc11c \uc2e4\ud328\ud558\uba74:<\/strong> DUT\ub97c \ub9cc\uc9c0\uc9c0 \ub9c8\uc138\uc694. \uc5b4\ub5a4 \ubcf4\ub4dc \uc218\uc900 \ub514\ubc84\uadf8 \uc804\uc5d0 \ud3ec\uace0 \ud540 \uc811\ucd09 \uc800\ud56d, \ucee4\ub125\ud130 \uc815\ub82c, \uacc4\uce21\uae30 \uad50\uc815 \uc0c1\ud0dc, \uace0\uc815\uad6c \ubc30\uc120\uc744 \ud655\uc778\ud558\uc138\uc694.<\/li>\n\n\n\n<li><strong>\uae08\ube5b \uc720\ub2db\uc774 \ud1b5\uacfc\ud588\uc9c0\ub9cc DUT\uac00 \uc2e4\ud328\ud558\uba74:<\/strong> \uae30\uc900\uc120 \uce21\uc815\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubcf4\ub4dc \uc9c4\ub2e8\uc744 \uc9c4\ud589\ud558\uc138\uc694. \uc2e4\ud328\ub97c \ube44\uad50\ud560 \uc218 \uc788\ub3c4\ub85d \uc77c\ub828\ubc88\ud638, \ubcf4\ub4dc \uac1c\uc815\ud310, \uace0\uc815\uad6c ID, \uc8fc\ubcc0 \uc870\uac74\uc744 \uae30\ub85d\ud558\uc138\uc694. \uc2e4\ud328\ub97c \uc7ac\ud604\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \ube44\uad50\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>\u201c\ub79c\ub364 \uc2e4\ud328 on the fixture\u201d\ub77c\ub294 \ubb38\uad6c\ub294 \ud38c\uc6e8\uc5b4 \ub85c\uadf8\ub97c \ub354 \uc694\uccad\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uace0\uc815\uc7a5\uce58\ub97c \uc99d\uba85\ud558\ub77c\ub294 \uc694\uccad\uc73c\ub85c \uac04\uc8fc\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \uc2b5\uad00 \ud558\ub098\uac00 \ubc24\ub2a6\uac8c \uc0ac\uc774\ud2b8 \uac04 \ub514\ubc84\uae45\uc758 \ud1a4\uc744 \ubc14\uafb8\ub294\ub370, \uc989\uc2dc \uac80\uc0c9 \ubc94\uc704\ub97c \uc881\ud788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"defectclass-coverage-a-small-faultmodel-ladder-beats-complete-test-suite-theater\">\uacb0\ud568-\ud074\ub798\uc2a4 \ucee4\ubc84\ub9ac\uc9c0: \uc791\uc740 \uacb0\ud568 \ubaa8\ub378 \uc0ac\ub2e4\ub9ac\uac00 \u201c\uc804\uccb4 \ud14c\uc2a4\ud2b8 \uc2a4\uc704\ud2b8\u201d\ubcf4\ub2e4 \uc6b0\uc218\ud558\ub2e4<\/h2>\n\n\n<p>\uc0dd\uc0b0 \ucd08\uae30 \ud14c\uc2a4\ud2b8 \uc804\ub7b5\uc740 \uac00\uc7a5 \uae34 \uccb4\ud06c\ub9ac\uc2a4\ud2b8\ub97c \uac00\uc9c4 \uc804\ub7b5\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uac00\uc7a5 \uc800\ub834\ud55c \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uce21\uc815\uc73c\ub85c \uac00\uc7a5 \uac00\ub2a5\uc131 \ub192\uc740 \uacb0\ud568 \ud074\ub798\uc2a4\ub97c \uc7a1\uc544\ub0b4\uace0, \uc720\ubcf4\ub97c \uba85\ud655\ud788 \ud558\uc5ec \uadf8\ub9b0 \uc2a4\ud0ec\ud504\uc5d0 \ubab0\ub798 \ub123\uc9c0 \ubabb\ud558\uac8c \ud558\ub294 \uc804\ub7b5\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uacb0\ud568 \ubaa8\ub378 \uacc4\ub2e8\uc740 \uacc4\uc57d \uc81c\uc791\uc5d0 \uc2e4\uc81c\ub85c \ub098\ud0c0\ub098\ub294 \uacb0\ud568 \ud074\ub798\uc2a4\ub97c \uc5f4\uac70\ud558\ub294 \uac83\ubd80\ud130 \uc2dc\uc791\ud569\ub2c8\ub2e4: \uc624\ud508, \uc1fc\ud2b8, \uc798\ubabb\ub41c \ubd80\ud488, \uc798\ubabb\ub41c \ubc29\ud5a5, \ubd80\ud488 \ub204\ub77d, \ub0a9\ub55c \ube0c\ub9bf\uc9c0, \uae30\uacc4\uc801 \uc815\ub82c \ubd88\ub7c9. \uadf8\ub7f0 \ub2e4\uc74c \uac01 \ud074\ub798\uc2a4\ub97c \uc548\uc815\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud38c\uc6e8\uc5b4\uac00 \ud544\uc694 \uc5c6\ub294 \uac80\ucd9c \ubc29\ubc95\uc5d0 \ub9e4\ud551\ud569\ub2c8\ub2e4: \ub300\ud615 \ubc30\uce58\uc640 \uadf9\uc131 \uc2e4\uc218\uc5d0 \ub300\ud55c AOI, \uc811\uadfc \uac00\ub2a5\ud55c \uacf3\uc758 \uc5f0\uc18d\uc131 \uac80\uc0ac, \ub300\uccb4 \ubc0f \ub204\ub77d\ub41c \uc218\ub3d9 \ubd80\ud488\uc5d0 \ub300\ud55c \ub808\uc77c \uc11c\uba85\uacfc \ubd80\ud558 \uc751\ub2f5, \uccb4\uc778\uacfc \uc811\uadfc\uc774 \uac00\ub2a5\ud55c \uacf3\uc758 \ubc14\uc6b4\ub354\ub9ac-\uc2a4\uce94. \uacc4\ub2e8\uc758 \uac00\uce58\ub294 \uc774\ub860\uc801 \ucee4\ubc84\ub9ac\uc9c0\uac00 \uc544\ub2c8\ub77c, '\uc774 \ud14c\uc2a4\ud2b8\ub294 \uc774 \ub124\ud2b8\uc758 \uc624\ud508\/\uc1fc\ud2b8\ub97c \uc7a1\uc544\ub0b4\uc9c0\ub9cc, \uae30\ub2a5 X\ub97c \uac80\uc99d\ud558\uc9c0\ub294 \uc54a\ub294\ub2e4'\ub77c\uace0 \ud070 \uc18c\ub9ac\ub85c, \uc11c\uba74\uc73c\ub85c \ub9d0\ud560 \uc218 \uc788\ub294 \ub2a5\ub825\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774\uac83\uc740 \ub610\ud55c \u2018\uc9c0\uae08 \ubc14\ub85c \uc0dd\uc0b0 \ud14c\uc2a4\ud2b8\ub97c \uc644\uc804 \uc790\ub3d9\ud654\ud558\uc790\u2019\ub77c\ub294 \uc555\ubc15\uc5d0 \ub300\uc751\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc790\ub3d9\ud654\uac00 \uc18c\uc74c\uc744 \uc790\ub3d9\ud654\ud55c\ub2e4\uba74 \uc9c4\uc804\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uace0\uc815\uc7a5\uce58 \ubc18\ubcf5\uc131 \uc99d\uba85, \ubd88\ubcc0\ub7c9 \uc815\uc758, \uadf8\ub9ac\uace0 \ub2e4\uc74c \uc8fc\uc5d0\ub3c4 \uac19\uc740 \uc758\ubbf8\ub97c \uac16\ub294 \uacb0\ud568 \ud074\ub798\uc2a4 \ud14c\uc2a4\ud2b8 \uc120\ud0dd\uc774 \uc9c4\uc804\uc785\ub2c8\ub2e4. \uadf8 \uc678\uc758 \ubaa8\ub4e0 \uac83\uc740 \ub300\uc2dc\ubcf4\ub4dc \uc5f0\uadf9\uc5d0 \ubd88\uacfc\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc720\ubcf4\ub294 \ubc29\uc5b4\uc120\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \uc0ac\ub78c\ub4e4\uc740 \u2018\ud14c\uc2a4\ud2b8\ud558\uc9c0 \uc54a\uc74c\u2019\uc744 \ud0dc\ub9cc\uc73c\ub85c \uac04\uc8fc\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub354 \ub098\uc740 \ud45c\ud604\uc740 \uc720\ubcf4\uac00 \uc758\ub3c4\ub41c \uc704\ud5d8 \uacb0\uc815\uc774\ub77c\ub294 \uac83\uc785\ub2c8\ub2e4: \uc811\uadfc \uad8c\ud55c\uc774 \uc5c6\uac70\ub098, \ud38c\uc6e8\uc5b4\uac00 \ub108\ubb34 \ubd88\uc548\uc815\ud558\uac70\ub098, \uacb0\ud568 \ud074\ub798\uc2a4\uac00 \ud604\uc7ac \uc77c\uc815\uacfc \ube4c\ub4dc \ub9e5\ub77d\uc5d0 \ube44\ud574 \ub4dc\ubb3c\uae30 \ub54c\ubb38\uc5d0 \uc720\ubcf4\ud558\ub294 \uac83. \ud575\uc2ec\uc740 \uc774\ub7ec\ud55c \uc720\ubcf4\uac00 \uc554\uc2dc\ub41c \uc8fc\uc7a5\uc73c\ub85c \ubcc0\ud558\ub294 \uac83\uc744 \ub9c9\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"boundaryscan-deterministic-evidence-when-the-hardware-allows-it\">\uacbd\uacc4-\uc2a4\uce94: \ud558\ub4dc\uc6e8\uc5b4\uac00 \ud5c8\uc6a9\ud560 \ub54c \uacb0\uc815\ub860\uc801 \uc99d\uac70<\/h2>\n\n\n<p>\uacbd\uacc4 \uc2a4\uce94\uc740 \uc774 \uc0c1\ud669\uc5d0\uc11c \uac00\uc7a5 \ud654\ub824\ud558\uc9c0 \uc54a\uc9c0\ub9cc \uac00\uc7a5 \ub192\uc740 \ud6a8\uacfc\ub97c \ub0b4\ub294 \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc774\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud38c\uc6e8\uc5b4 \uc5c6\uc774\ub3c4 \ubbf8\uc138 \ud53c\uce58 \ubd80\ud488\uc758 \uc624\ud508\uacfc \uc1fc\ud2b8\uc5d0 \ub300\ud574 \uacb0\uc815\ub860\uc801 \ucee4\ubc84\ub9ac\uc9c0\ub97c \uc81c\uacf5\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub610\ud55c \ub17c\uc7c1\uc744 \ucd95\uc18c\uc2dc\ud0b5\ub2c8\ub2e4. \uccb4\uc778\uc774 \uc778\ud130\ucee4\ub125\ud2b8 \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud560 \uc218 \uc788\uace0 \ub124\ud2b8\uc6cc\ud06c\uac00 \uc624\ud508\uc744 \ubcf4\uc5ec\uc900\ub2e4\uba74, \ud38c\uc6e8\uc5b4 \ud0c0\uc774\ubc0d \uc870\uc815\uc774 \ud574\uacb0\ucc45\uc778\uc9c0\uc5d0 \ub300\ud55c \ub17c\uc7c1\uc740 \ud544\uc694 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uac04\ud5d0\uc801\uc778 \ubc84\uc2a4 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud55c \ud55c \uc0ac\ub840\uc5d0\uc11c, \uc800\ub834\ud55c \ub85c\uc9c1 \ubd84\uc11d\uae30\uac00 \ubc84\uc2a4\ub97c \"\ub300\ubd80\ubd84 \uc815\uc0c1\"\uc73c\ub85c \ubcf4\uc5ec\uc8fc\uc5b4 \ud38c\uc6e8\uc5b4 \ud0c0\uc774\ubc0d\uc5d0 \ucc45\uc784\uc744 \ub3cc\ub9ac\uac8c \ud588\ub2e4. Boundary-scan \uc778\ud130\ucee4\ub125\ud2b8 \ud14c\uc2a4\ud2b8\ub294 BGA \uc8fc\uc18c \ud540\uc758 \uc624\ud508(\uc544\ub9c8\ub3c4 \ucf5c\ub4dc \uc870\uc778\ud2b8)\uc744 \uaca9\ub9ac\ud588\uc73c\uba70, \ub354 \ub9ce\uc740 \ub85c\uadf8\ub098 \ucf54\ub4dc \uc5c6\uc774\ub3c4 \uac00\ub2a5\ud588\ub2e4. \uc774\ub294 \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4dc\ub294 X\uc120 \uc7ac\uc791\uc5c5 \ub8e8\ud504\ub97c \ud53c\ud558\uace0, \uc815\ub7c9\uc801 \uac80\uc99d\uc774 \uac00\ub2a5\ud55c \ud0c0\uac9f\ud305\ub41c \uc870\uce58\ub85c \uc804\ud658\uc2dc\ucf30\ub2e4. \uc5d0\ubc84\ub81b\uacfc \ud398\ub0ad\uc758 CM \ud300 \uac04\uc758 \ud611\ub825\ub3c4 \uc99d\uac70\uac00 \uacb0\uc815\ub860\uc801\uc774\uae30 \ub54c\ubb38\uc5d0 \ub354 \uac04\ub2e8\ud574\uc84c\ub2e4.<\/p>\n\n\n\n<p>\ud604\uc2e4 \uac80\uc99d\uc740 \uc911\uc694\ud558\ub2e4: boundary-scan\uc740 \uc811\uadfc\uc774 \uc2e4\uc81c\uc77c \ub54c\ub9cc \uc791\ub3d9\ud55c\ub2e4. \uccb4\uc778 \uc5f0\uc18d\uc131\uc740 \uc124\uacc4\uc5d0 \ud3ec\ud568\ub418\uc5b4\uc57c \ud558\uba70, BSDL\uc740 \uc0ac\uc6a9 \uac00\ub2a5\ud574\uc57c \ud558\uace0, \ud480\uc5c5\uacfc \uc2a4\ud2b8\ub7a9\uc740 \ud569\ub9ac\uc801\uc774\uc5b4\uc57c \ud558\uba70, \ubcf4\uc548 \uc124\uc815\uc740 \"\ub098\uc911 \ubb38\uc81c\"\uac00 \uc544\ub2c8\uc5b4\uc57c \ud55c\ub2e4\u2014\ud4e8\uc988\ub41c \ub514\ubc84\uadf8 \uc811\uadfc\uc740 \uc5c4\uaca9\ud55c \uc81c\uc57d \uc870\uac74\uc774\ub2e4. \uc77c\ubc18\uc801\uc778 \ud76c\ub9dd \uc694\uccad\uc740 \"boundary scan\uc774 \ubaa8\ub4e0 \uac83\uc744 \ud14c\uc2a4\ud2b8\ud560 \uc218 \uc788\ub098\uc694\"\uc774\uba70, \uc885\uc885 \"\ud14c\uc2a4\ud2b8 \ud328\ub4dc\uac00 \uc5c6\uc9c0\ub9cc \uc5ec\uc804\ud788 \uac00\ub2a5\ud574\uc57c \ud55c\ub2e4\"\uc640 \ud568\uaed8 \uc81c\uae30\ub41c\ub2e4. \uc815\uc9c1\ud55c \ub2f5\ubcc0\uc740 \uccb4\uc778 \uc811\uadfc, BSDL \ud488\uc9c8, \uc7a0\uae08 \uc0c1\ud0dc\uc5d0 \ub530\ub77c \uac00\ub2a5\uc131\uc774 \ub2ec\ub77c\uc9c4\ub2e4\ub294 \uac83\uc774\ub2e4; \uc774\ub7ec\ud55c \uc0ac\uc2e4 \uc5c6\uc774 \ucee4\ubc84\ub9ac\uc9c0 \ube44\uc728\uc744 \uc57d\uc18d\ud558\ub294 \uac83\uc740 \ud14c\uc2a4\ud2b8 \uacc4\ud68d\uc774 \ud5c8\uad6c\ub85c \ubcc0\ud558\ub294 \ubc29\ubc95\uc774\ub2e4.<\/p>\n\n\n\n<p>\ud300\uc774 \ub3cc\uc544\uac00\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\ub294 \uc2e4\uc6a9\uc801\uc778 \ud0c0\ud611\ucc45\uc740 \uc758\ub3c4\ub41c \uace0\uc815\uc7a5\uce58 \uc811\uadfc\uacfc \ud234\uccb4\uc778(\uacf5\uc7a5\uc5d0\uc11c\ub294 Corelis\/Asset\/Keysight\uae09 \uc2a4\uc704\ud2b8\uac00 \uc77c\ubc18\uc801\uc784)\uc744 \uac16\ucd98 \ud55c \uac1c\uc758 \ubcf4\ub4dc\uc5d0\uc11c boundary-scan\uc744 \uc2dc\ud5d8\ud558\ub294 \uac83\uc774\ub2e4. \uc131\uacf5\ud558\uba74, \uc774\ub294 \ubbf8\ub798\uc758 \uc2e4\ud328 \ubd84\uc11d\uc5d0\uc11c \uba70\uce60\uac04\uc758 \ub17c\uc758\ub97c \ub300\uccb4\ud560 \uc218 \uc788\ub2e4. \uc2e4\ud328\ud558\uc9c0 \uc54a\uc73c\uba74, \uc989\uc2dc \ub808\uc77c, \ud074\ub85d, \ub9ac\uc14b, \uadf8\ub9ac\uace0 \uc5ec\uc804\ud788 \uce21\uc815 \uac00\ub2a5\ud55c \ucee4\ub125\ud130\uc640 \ud328\ub4dc\ub85c \uce21\uc815\ud560 \uc218 \uc788\ub294 \uc791\uc740 \uc544\ub0a0\ub85c\uadf8 \uc2dc\uadf8\ub2c8\ucc98 \uc138\ud2b8\ub85c \uc804\ud658\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"the-harness-that-survives-minimal-now-deeper-later\">\uc0dd\uc874\ud558\ub294 \ud558\ub124\uc2a4: \uc9c0\uae08\uc740 \ucd5c\uc18c\ud55c\uc73c\ub85c, \ub098\uc911\uc5d0 \ub354 \uae4a\uac8c<\/h2>\n\n\n<p>\ucd08\uae30 \ud14c\uc2a4\ud2b8\ub294 \uae68\uc9c0\uae30 \uc27d\uac70\ub098, \ubb38\uc11c\ud654\ub418\uc9c0 \uc54a\uc558\uac70\ub098, \ud55c \uc0ac\ub78c\uc758 \ub3c4\uad6c \uc120\ud638\uc5d0 \ubb36\uc5ec \uc788\uae30 \ub54c\ubb38\uc5d0 \uc2e4\ud328\ud558\ub294 \uacbd\ud5a5\uc774 \uc788\ub2e4. \ucd5c\uc18c\ud55c\uc758 \ud558\ub124\uc2a4\ub294 \uc124\uacc4\uc0c1 \uc9c0\ub8e8\ud558\ub2e4: \ub7ec\ub108, \ubcf4\ub4dc\ubcc4 \ud540 \ub9f5, \uc784\uacc4\uac12 \uc138\ud2b8, \uadf8\ub9ac\uace0 \uc7ac\uc2e4\ud589\uc744 \ube44\uad50 \uac00\ub2a5\ud558\uac8c \ud558\ub294 \ub85c\uae45\uc774\ub2e4.<\/p>\n\n\n\n<p>\uc5ec\ub7ec \ud38c\uc6e8\uc5b4 \uc7ac\uc791\uc131\uc5d0 \uac78\uccd0 \uc9c0\uc18d\ub41c \ud328\ud134\uc740 3\ub2e8\uacc4 \ud558\ub124\uc2a4\uc774\ub2e4: \uc790\uadf9\/\uce21\uc815 \ucd94\uc0c1\ud654(\uc608: pyvisa \ub610\ub294 DAQ \uacc4\uce35\uc744 \ud1b5\ud55c \uacc4\uce21\uae30 \ub4dc\ub77c\uc774\ubc84), \ubcf4\ub4dc \ub9f5(\uc885\uc885 YAML \ud540 \ub9f5\uc774\uba74 \ucda9\ubd84), \uadf8\ub9ac\uace0 \uacb0\uc815\ub860\uc801 \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud558\ub294 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4. \uc2dc\ub9ac\uc5bc \ubc88\ud638\ub85c \ud0a4\ub97c \uc9c0\uc815\ud55c CSV\uc5d0 \ub85c\uadf8\ub97c \ub0a8\uae30\ub294 \uac83\uc740 \uba54\ud0c0\ub370\uc774\ud130\uac00 \uaddc\uc728 \uc788\uac8c \uad00\ub9ac\ub418\ub294 \ud55c \ucda9\ubd84\ud788 \uc774\ub974\ub2e4: \ubcf4\ub4dc \uc218\uc815 \ubc84\uc804, \uace0\uc815\uc7a5\uce58 ID, \uc8fc\ubcc0 \uc870\uac74, \ud38c\uc6e8\uc5b4\uac00 \uad00\ub828\ub41c \uacbd\uc6b0 \ud14c\uc2a4\ud2b8 \uc774\ubbf8\uc9c0 \ubc84\uc804. \uc5b8\uc5b4 \uc120\ud0dd(Python vs LabVIEW vs \uacf5\uae09\uc5c5\uccb4 \ud658\uacbd)\uc740 \ubaa8\ub4c8\uc2dd \uacbd\uacc4\ubcf4\ub2e4 \ub35c \uc911\uc694\ud558\ub2e4. \ud55c \uc0ac\ub78c\ub9cc \ud3b8\uc9d1\ud560 \uc218 \uc788\ub294 \ubaa8\ub180\ub9ac\uc2dd LabVIEW VI\ub294 \uc778\ub825 \uc704\ud5d8\uc774 \ub418\ub294 \ub300\uc2e0 \ud14c\uc2a4\ud2b8 \uc804\ub7b5\uc774 \ub41c\ub2e4.<\/p>\n\n\n\n<p>\ub610\ud55c \ud558\ub124\uc2a4 \ub300\ud654\uc5d0 \uc18d\ud558\ub294 \ubbf8\ubb18\ud55c \ubd88\ud655\uc2e4\uc131\uc740 \uc804\ub958 \ud504\ub85c\ud30c\uc77c \uc11c\uba85\uc774\ub2e4. \uc774\ub294 \ud38c\uc6e8\uc5b4 \uc0c1\ud0dc\uac00 \uc548\uc815\uc801\uc77c \ub54c \uac15\ub825\ud558\ub2e4. \ud38c\uc6e8\uc5b4\uac00 \ub9e4\uc77c \ubcc0\uacbd\ub420 \ub54c\ub294, \uc804\ub958 \uc784\uacc4\uac12\uc740 \ucd94\uc138\/\uc774\uc0c1 \uac10\uc9c0\ub85c \ucde8\uae09\ub418\uc5b4\uc57c \ud558\uba70, \ud300\uc774 \uc81c\uc5b4\ub41c \uae30\ub2a5 \ud50c\ub798\uadf8\uc640 \uc7ac\ud604 \uac00\ub2a5\uc131\uc744 \uac16\ucd98 \ubc84\uc804\ubcc4 \ud14c\uc2a4\ud2b8 \uc774\ubbf8\uc9c0\ub97c \uc7a0\uae00 \uc218 \uc5c6\ub2e4\uba74, \uc5c4\uaca9\ud55c \ud1b5\uacfc\/\uc2e4\ud328\ub85c \uac04\uc8fc\ud558\uc9c0 \uc54a\uc544\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p>\uc778\uc218 \uc2dc\uc810\uc740 \uac04\ub2e8\ud558\ub2e4: \ucd08\uae30 \ud14c\uc2a4\ud2b8\ub294 \ud38c\uc6e8\uc5b4\uac00 \uc131\uc219\ud568\uc5d0 \ub530\ub77c \uc8fc\uc7a5 \ubc94\uc704\ub97c \ud655\uc7a5\ud560 \uc218 \uc788\uc9c0\ub9cc, \ud558\ub124\uc2a4\uac00 \uce21\uc815 \uacc4\uce35\uc744 \uc2e0\ub8b0\ud560 \uc218 \uc788\uac8c \uc720\uc9c0\ud558\uace0 \uc774\ub984\uc774 \uc815\uc9c1\ud558\uac8c \uc720\uc9c0\ub418\ub294 \uacbd\uc6b0\uc5d0\ub9cc \uadf8\ub807\ub2e4. \uc870\uae30 \uc120\ubcc4\uc740 \uc870\ub9bd \ub204\ub77d\uc744 \uc904\uc5ec\uc900\ub2e4. \uc774\ub294 \uc81c\ud488 \ub3d9\uc791\uc744 \uc778\uc99d\ud558\uc9c0 \uc54a\ub294\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\ud38c\uc6e8\uc5b4\uac00 \ubd88\uc548\uc815\ud560 \ub54c, \ucd08\ub85d\uc0c9 \u201c\uae30\ub2a5\u201d \uc2a4\ud0ec\ud504\ub294 \uc2e4\uc81c \uacb0\ud568\uc744 \uc228\uae38 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc791\uc5c5\uc740 \ucd08\uae30 \ud14c\uc2a4\ud2b8\ub97c \uacb0\uc815\ub860\uc801 \uce21\uc815\u2014\ub808\uc77c, \ud074\ub85d, \ub9ac\uc14b, \uace0\uc815\uad6c \uc99d\uba85, \uacb0\ud568 \ubaa8\ub378 \ucee4\ubc84\ub9ac\uc9c0\u2014\uc8fc\ubcc0\uc73c\ub85c \uc7ac\uad6c\uc131\ud558\uc5ec \ud1b5\uacfc\uc728\uc774 \ub099\uad00\uc774 \uc544\ub2cc \ud604\uc2e4\uc744 \ubc18\uc601\ud558\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":10696,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"","glossary_alter":"","glossary_def":"","article_task":"Functional test development when firmware is late or 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