{"id":7462,"date":"2023-09-11T02:16:17","date_gmt":"2023-09-11T02:16:17","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=7462"},"modified":"2023-09-11T02:16:18","modified_gmt":"2023-09-11T02:16:18","slug":"what-is-boundary-scan","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/ko\/%ea%b2%bd%ea%b3%84-%ec%8a%a4%ec%ba%94%ec%9d%b4%eb%9e%80-%eb%ac%b4%ec%97%87%ec%9d%b8%ea%b0%80%ec%9a%94\/","title":{"rendered":"\ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94\uc774\ub780?"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"what-is-boundary-scan\">\ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94\uc774\ub780?<\/h2>\n\n\n<p>\ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94\uc740 \ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94 \uc140\uc774\ub77c\uace0\ub3c4 \ud558\ub294 \uc2dc\ud504\ud2b8 \ub808\uc9c0\uc2a4\ud130 \ub798\uce58 \uc140\uc744 \ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94 \ud638\ud658 \uc7a5\uce58\uc758 \uac01 \uc678\ubd80 \uc5f0\uacb0\uc5d0 \ud1b5\ud569\ud558\ub294 \ud14c\uc2a4\ud2b8 \uae30\ubc95\uc785\ub2c8\ub2e4(JTAG(Joint Test Action Group)). \uc774\ub7ec\ud55c \uc140\uc744 \uc0ac\uc6a9\ud558\uba74 PCB\uc758 \uc9d1\uc801 \ud68c\ub85c(IC) \ubc0f \uc778\ud130\ucee4\ub125\ud2b8\ub97c \ud14c\uc2a4\ud2b8\ud558\uace0 \ub514\ubc84\uae45\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94 \uc140\uc740 IC\uc758 \uac01 I\/O(\uc785\ub825\/\ucd9c\ub825) \ud540\uc5d0 \uc804\ub7b5\uc801\uc73c\ub85c \uc778\uc811\ud558\uc5ec \ubc30\uce58\ub418\uc5b4 \uc7a5\uce58 \uac04 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uac00\ub2a5\ud558\uac8c \ud558\ub294 \uc2dc\ud504\ud2b8 \ub808\uc9c0\uc2a4\ud130 \uccb4\uc778\uc744 \ud615\uc131\ud569\ub2c8\ub2e4. \uc815\uc0c1 \uc791\ub3d9 \uc911\uc5d0\ub294 \ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94 \uc140\uc774 \ubcf4\uc774\uc9c0 \uc54a\uace0 \ud68c\ub85c\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub514\ubc14\uc774\uc2a4\uac00 \ud14c\uc2a4\ud2b8 \ubaa8\ub4dc\ub85c \uc124\uc815\ub418\uba74 \ud14c\uc2a4\ud2b8 \ubca1\ud130\ub77c\uace0 \ud558\ub294 \uc9c1\ub82c \ub370\uc774\ud130 \uc2a4\ud2b8\ub9bc\uc774 \uc2dc\ud504\ud2b8 \ub808\uc9c0\uc2a4\ud130 \uccb4\uc778\uc744 \ud1b5\uacfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc9d1\uc801 \ud68c\ub85c \ub77c\uc778\uc5d0\uc11c \ub370\uc774\ud130\ub97c \ucea1\ucc98\ud558\uac70\ub098 \ub370\uc774\ud130\ub97c \uac15\uc81c\ub85c \uc804\uc1a1\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \ud3ec\uad04\uc801\uc778 \ud14c\uc2a4\ud2b8 \ubc0f \ubd84\uc11d\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94 \ub514\ubc14\uc774\uc2a4\ub97c \uc81c\uc5b4\ud558\uae30 \uc704\ud574 \uc804\uc6a9 \ud14c\uc2a4\ud2b8 \uc561\uc138\uc2a4 \ud3ec\ud2b8(TAP)\uc640 TAP \ucee8\ud2b8\ub864\ub7ec\uac00 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. 16\uac1c \uc0c1\ud0dc \uba38\uc2e0\uc778 TAP \ucee8\ud2b8\ub864\ub7ec\ub294 \ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94 \uc140\ub85c \uad6c\uc131\ub41c \ubc14\uc6b4\ub354\ub9ac \ub808\uc9c0\uc2a4\ud130\ub97c \uad00\ub9ac\ud569\ub2c8\ub2e4. \ud14c\uc2a4\ud2b8 \ub370\uc774\ud130 \uc785\ub825(TDI), \ud14c\uc2a4\ud2b8 \ub370\uc774\ud130 \ucd9c\ub825(TDO), \ud14c\uc2a4\ud2b8 \ud074\ub85d(TCK), \ud14c\uc2a4\ud2b8 \ubaa8\ub4dc \uc120\ud0dd(TMS) \ubc0f \uc635\uc158\uc778 \ud14c\uc2a4\ud2b8 \ub9ac\uc14b(TRST)\uc744 \ud3ec\ud568\ud55c TAP \uc2e0\ud638\ub294 \ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94 \ub514\ubc14\uc774\uc2a4\ub97c \uc81c\uc5b4\ud558\uace0 \ub2e4\uc591\ud55c \ud14c\uc2a4\ud2b8 \uae30\ub2a5\uc744 \uc218\ud589\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p>IEEE 1149.1 \ud45c\uc900\uc740 \uacbd\uacc4 \uc2a4\uce94 \ud14c\uc2a4\ud2b8\uc758 \uc544\ud0a4\ud14d\ucc98\uc640 \uc808\ucc28\ub97c \uc815\uc758\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc138 \uac00\uc9c0 \ud544\uc218 \ud14c\uc2a4\ud2b8 \uae30\ub2a5\uc774 \uba85\uc2dc\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4: EXTEST, \uc0d8\ud50c\/\ub85c\ub4dc, BYPASS\uc785\ub2c8\ub2e4. \ub610\ud55c \uc774 \ud45c\uc900\uc740 INTEST, RUNBIST, IDCODE, CLAMP, HIGHZ \ubc0f USERCODE\uc640 \uac19\uc740 \uc120\ud0dd\uc801 \ud14c\uc2a4\ud2b8 \uae30\ub2a5\uc5d0 \ub300\ud574\uc11c\ub3c4 \uc124\uba85\ud569\ub2c8\ub2e4. \ub610\ud55c \uc81c\uc870\uc5c5\uccb4\ub294 IEEE \ud45c\uc900\uc758 \uac00\uc774\ub4dc\ub77c\uc778 \ub0b4\uc5d0\uc11c \uc790\uccb4 \ud14c\uc2a4\ud2b8 \uae30\ub2a5\uc744 \uc720\uc5f0\ud558\uac8c \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ubb3c\ub9ac\uc801 \ud14c\uc2a4\ud2b8 \ud504\ub85c\ube0c \uc5c6\uc774\ub3c4 \ubcf5\uc7a1\ud55c IC\uc640 \uc778\ud130\ucee4\ub125\ud2b8\ub97c \ud14c\uc2a4\ud2b8\ud558\uace0 \ub514\ubc84\uae45\ud560 \uc218 \uc788\ub294 \ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94\uc740 PCB \uc0b0\uc5c5\uc5d0\uc11c \ub9e4\uc6b0 \uc720\uc6a9\ud55c \uae30\uc220\uc785\ub2c8\ub2e4. \ud2b9\ud788 \ub192\uc740 \ubd80\ud488 \ubc00\ub3c4, \uc791\uc740 \uc124\uce58 \uacf5\uac04, BGA \ubc0f SMT\uc640 \uac19\uc740 \uace0\uae09 \uae30\uc220 \ub4f1\uc758 \uc694\uc778\uc73c\ub85c \uc778\ud574 \ud540\uc5d0 \ubb3c\ub9ac\uc801\uc73c\ub85c \uc811\uadfc\ud558\uae30 \uc5b4\ub824\uc6b4 \uacbd\uc6b0\uc5d0 \uc885\ud569\uc801\uc778 \ud14c\uc2a4\ud2b8 \uc194\ub8e8\uc158\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-group glossary_faqs\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h2 class=\"wp-block-heading\" id=\"frequently-asked-questions\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-difference-between-jtag-and-boundary-scan\">JTAG\uc640 \ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94\uc740 \uc2e4\ub9ac\ucf58\uc5d0\uc11c \uc678\ubd80 \ud540\uae4c\uc9c0\uc758 \ub9ac\ub4dc\uc5d0 \ucd94\uac00 \uc140\uc744 \ucd94\uac00\ud558\ub294 \ud14c\uc2a4\ud2b8 \uae30\uc220\uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uce69\uacfc \ubcf4\ub4dc\uc758 \uae30\ub2a5\uc744 \ubaa8\ub450 \uac80\uc99d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\uba74\uc5d0 JTAG\ub294 Joint Test Action Group\uc758 \uc57d\uc790\ub85c, \ud1b5\uc2e0 \ubaa9\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \uc778\ud130\ud398\uc774\uc2a4 \ub610\ub294 \ud14c\uc2a4\ud2b8 \uc561\uc138\uc2a4 \ud3ec\ud2b8\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-purpose-of-the-boundary-scan-register\">\uacbd\uacc4 \uc2a4\uce94 \ub808\uc9c0\uc2a4\ud130\uc758 \ubaa9\uc801\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94 \ub808\uc9c0\uc2a4\ud130\ub294 \uc785\ub825 \ud540\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\ub294 \ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94 \uc140\uc758 \ub370\uc774\ud130\ub97c \ucea1\ucc98\ud558\ub294 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \ub370\uc774\ud130\ub294 \uac80\uc99d\uc744 \uc704\ud574 TDO \ud540\uc744 \ud1b5\ud574 \ub514\ubc14\uc774\uc2a4 \uc678\ubd80\ub85c \uc2a4\uce94\ud560 \uc218 \uc788\uc73c\uba70, TDI \ud540\uc744 \ud1b5\ud574 \ub514\ubc14\uc774\uc2a4\ub85c \uc2a4\uce94\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ud14c\uc2a4\ud130\ub294 \ub514\ubc14\uc774\uc2a4\uc758 \ucd9c\ub825 \ud540\uc5d0 \uc788\ub294 \ub370\uc774\ud130\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-jtag-in-pcb\">PCB\uc758 JTAG\ub780?<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\uacf5\ub3d9 \ud14c\uc2a4\ud2b8 \uc561\uc158 \uadf8\ub8f9\uc758 \uc57d\uc790\uc778 JTAG\ub294 \uc778\uc1c4 \ud68c\ub85c \uae30\ud310\uc774 \uc81c\uc870\ub41c \ud6c4 \uc124\uacc4\ub97c \uac80\uc99d\ud558\uace0 \ud14c\uc2a4\ud2b8\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uc5c5\uacc4 \ud45c\uc900\uc785\ub2c8\ub2e4. \ub514\uc9c0\ud138 \uc2dc\ubbac\ub808\uc774\uc158\uc744 \ubcf4\uc644\ud558\uace0 \uc804\uc790 \uc124\uacc4 \uc790\ub3d9\ud654(EDA)\uc758 \uc628\uce69 \uacc4\uce21 \ud45c\uc900\uc744 \uad6c\ud604\ud558\ub294 \ud234\uc785\ub2c8\ub2e4.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-boundary-data\">\uacbd\uacc4 \ub370\uc774\ud130\ub780?<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\uacbd\uacc4 \ub370\uc774\ud130\ub294 \uc8fc\uc5b4\uc9c4 \ubc94\uc704\uc758 \uadf9\ub2e8\uc5d0 \uc704\uce58\ud55c \ud14c\uc2a4\ud2b8 \ub370\uc774\ud130 \uac12 \uc9d1\ud569\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uac12\uc740 \uc608\uc0c1\ub418\ub294 \uac12\uc758 \uc0c1\ud55c\uacfc \ud558\ud55c\uc744 \ub098\ud0c0\ub0b4\uba70 \ud5c8\uc6a9\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ubc18\ub300\ub85c, \uc774\ub7ec\ud55c \ud55c\uacc4\ub97c \ubc97\uc5b4\ub098\uac70\ub098 \uadf8 \uc774\uc804 \ub610\ub294 \uc774\ud6c4\uc778 \uac12\uc740 \ubaa8\ub450 \uac70\ubd80\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"how-does-jtag-work\">JTAG\uc758 \uc791\ub3d9 \ubc29\uc2dd<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>JTAG\/\ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94 \ud14c\uc2a4\ud2b8 \uc544\ud0a4\ud14d\ucc98\ub294 \ucc98\uc74c\uc5d0 \ubb3c\ub9ac\uc801 \ud14c\uc2a4\ud2b8 \ud504\ub85c\ube0c \uc5c6\uc774 \uc778\uc1c4 \ud68c\ub85c \uae30\ud310(PCB)\uc758 \uc9d1\uc801 \ud68c\ub85c(IC) \uac04 \uc5f0\uacb0\uc744 \ud14c\uc2a4\ud2b8\ud558\uae30 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uba40\ud2f0\ud50c\ub809\uc11c \ubc0f \ub798\uce58 \ud68c\ub85c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc0dd\uc131\ub41c \ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94 \uc140\uc744 \ub514\ubc14\uc774\uc2a4\uc758 \uac01 \ud540\uc5d0 \ubd80\ucc29\ud558\uc5ec \uc218\ud589\ub429\ub2c8\ub2e4.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-benefit-of-jtag\">JTAG\uc758 \uc7a5\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\ud38c\uc6e8\uc5b4 \ucd94\ucd9c\uc5d0 JTAG\ub97c \uc0ac\uc6a9\ud558\uba74 \uc5ec\ub7ec \uac00\uc9c0 \uc774\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uccab\uc9f8, JTAG\ub294 \ubcf4\ud3b8\uc801\uc73c\ub85c \uc778\uc815\ubc1b\uace0 \uad11\ubc94\uc704\ud558\uac8c \ud65c\uc6a9\ub418\ub294 \ud504\ub85c\ud1a0\ucf5c\uc774\ubbc0\ub85c \uc774\ub97c \ud65c\uc6a9\ud558\ub294 \ub370 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \ub2e4\uc591\ud55c \ub3c4\uad6c\uc640 \ub9ac\uc18c\uc2a4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub458\uc9f8, JTAG\ub97c \uc0ac\uc6a9\ud558\uba74 \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub098 \ud38c\uc6e8\uc5b4 \uae30\ub2a5\uc744 \uc6b0\ud68c\ud558\uc5ec \ub514\ubc14\uc774\uc2a4\uc758 \uba54\ubaa8\ub9ac\uc5d0 \uc9c1\uc811 \uc561\uc138\uc2a4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-the-difference-between-jtag-and-iso\">JTAG\uc640 ISO\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>ISO \ubc84\uc804\uc740 \uae30\ubcf8\uc801\uc73c\ub85c RGH\/JTAG \ubc84\uc804\uacfc \ub3d9\uc77c\ud558\uc9c0\ub9cc \ud615\uc2dd\uc774 \ub2e4\ub985\ub2c8\ub2e4. ISO \ud30c\uc77c\uc5d0\ub294 \uac8c\uc784 \ud30c\uc77c\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\ub294 \ubc18\uba74, RGH\/JTAG \ubc84\uc804\uc740 \ub2e4\ub978 \ud615\uc2dd\uc785\ub2c8\ub2e4. \uc5b4\uc81c \ub204\ubc84\ud2b8\ub294 \ud30c\uc77c\uc744 \ub354 \uc791\uc740 \ud3ec\ub9f7\uc73c\ub85c \uc555\ucd95\ud558\ub294 \uc2e4\ud5d8\uc744 \ud558\uace0 \uc788\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-boundary-scan-architecture\">\ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94 \uc544\ud0a4\ud14d\ucc98\ub780?<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94 \uc544\ud0a4\ud14d\ucc98\ub294 \uc778\uc1c4 \ud68c\ub85c \uae30\ud310(PCB) \ubc0f \uc9d1\uc801 \ud68c\ub85c\uc640 \uac19\uc740 \uad6c\uc131 \uc694\uc18c\uc758 \ud558\ub4dc\uc6e8\uc5b4 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud55c \uae30\uc220\uacfc \uad6c\uc870\ub97c \uc815\uc758\ud558\ub294 \ud45c\uc900\ud654\ub41c \ud14c\uc2a4\ud2b8 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774 \uc811\uadfc \ubc29\uc2dd\uc740 \ubcf5\uc7a1\ud558\uace0 \ubc00\uc9d1\ub41c PCB\ub97c \ud14c\uc2a4\ud2b8\ud558\ub294 \ub370 \ud2b9\ud788 \uc720\uc6a9\ud558\uba70, \uc774\ub7ec\ud55c \uacbd\uc6b0 \uae30\uc874\uc758 \uc778\uc11c\ud0b7 \ud14c\uc2a4\ud130\ub294 \uadf8\ub2e4\uc9c0 \ud6a8\uacfc\uc801\uc774\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-is-jtag-tap-controller\">JTAG \ud0ed \ucee8\ud2b8\ub864\ub7ec\ub780?<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>IEEE-1149.1 \ud45c\uc900\uc5d0 \ub530\ub978 JTAG TAP \ucee8\ud2b8\ub864\ub7ec\ub294 \ud14c\uc2a4\ud2b8 \ud074\ub85d(TCK) \ubc0f \ud14c\uc2a4\ud2b8 \ubaa8\ub4dc \uc120\ud0dd(TMS) \uc2e0\ud638\uc5d0 \uc758\ud574 \uc81c\uc5b4\ub418\ub294 16\uac1c \uc0c1\ud0dc\uc758 \uc720\ud55c \uc0c1\ud0dc \uae30\uacc4\uc785\ub2c8\ub2e4. TAP \ucee8\ud2b8\ub864\ub7ec\uc758 \uc804\ud658\uc740 TCK\uc758 \uc0c1\uc2b9 \uc5d0\uc9c0\uc5d0 \uc788\ub294 TMS\uc758 \uc0c1\ud0dc\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"what-protocol-does-jtag-use\">JTAG\uac00 \uc0ac\uc6a9\ud558\ub294 \ud504\ub85c\ud1a0\ucf5c<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>IEEE 1149.1\uc774\ub77c\uace0\ub3c4 \ud558\ub294 JTAG \ud504\ub85c\ud1a0\ucf5c\uc740 \uc81c\uc870 \uacf5\uc815 \uc911 PCB \uc0c1\ud638 \uc5f0\uacb0\uc131 \ud14c\uc2a4\ud2b8\ub97c \uac04\uc18c\ud654\ud558\uae30 \uc704\ud574 \ucc98\uc74c \uac1c\ubc1c\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"is-jtag-a-hardware-or-software\">JTAG\ub294 \ud558\ub4dc\uc6e8\uc5b4\uc778\uac00\uc694, \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc778\uac00\uc694?<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>JTAG\ub294 \ub354 \ubcf5\uc7a1\ud558\uace0 \ucef4\ud329\ud2b8\ud55c \uc778\uc1c4 \ud68c\ub85c \uae30\ud310(PCB)\uc758 \uc778\ud130\ucee4\ub125\ud2b8 \ud14c\uc2a4\ud2b8\uc758 \uae30\uc220\uc801 \uc5b4\ub824\uc6c0\uacfc \uc81c\uc57d\uc744 \uadf9\ubcf5\ud558\uae30 \uc704\ud574 1980\ub144\ub300\uc5d0 Joint Test Access Group\uc5d0\uc11c \ub9cc\ub4e0 \ud558\ub4dc\uc6e8\uc5b4 \uc778\ud130\ud398\uc774\uc2a4\uc785\ub2c8\ub2e4.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>\ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94\uc774\ub780?<\/p>\n<p>\ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94\uc740 \ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94 \uc140\uc774\ub77c\uace0\ub3c4 \ud558\ub294 \uc2dc\ud504\ud2b8 \ub808\uc9c0\uc2a4\ud130 \ub798\uce58 \uc140\uc744 \ubc14\uc6b4\ub354\ub9ac \uc2a4\uce94 \ud638\ud658 \uc7a5\uce58\uc758 \uac01 \uc678\ubd80 \uc5f0\uacb0\uc5d0 \ud1b5\ud569\ud558\ub294 \ud14c\uc2a4\ud2b8 \uae30\ubc95\uc73c\ub85c, JTAG(\ud569\ub3d9 \ud14c\uc2a4\ud2b8 \uc561\uc158 \uadf8\ub8f9)\ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":4750,"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":"Boundary Scan","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[15],"tags":[13,14],"class_list":["post-7462","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-glossary","tag-ng"],"_links":{"self":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/7462","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/comments?post=7462"}],"version-history":[{"count":1,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/7462\/revisions"}],"predecessor-version":[{"id":8754,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/posts\/7462\/revisions\/8754"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/media\/4750"}],"wp:attachment":[{"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/media?parent=7462"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/categories?post=7462"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.besterpcba.com\/ko\/wp-json\/wp\/v2\/tags?post=7462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}