{"id":304,"date":"2024-07-08T18:29:06","date_gmt":"2024-07-08T09:29:06","guid":{"rendered":"https:\/\/rtlearner.com\/?p=304"},"modified":"2025-11-13T11:14:19","modified_gmt":"2025-11-13T02:14:19","slug":"amba-ahb-bus","status":"publish","type":"post","link":"https:\/\/rtlearner.com\/en\/amba-ahb-bus\/","title":{"rendered":"AMBA - 2 AHB overview"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">APB \ubc84\uc2a4\uac00 peripheral \uac19\uc740 \uace0\uc131\ub2a5\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc740 \ubaa8\ub4c8\ub4e4\uc744 \uc704\ud55c \ubc84\uc2a4\uc774\uae30 \ub54c\ubb38\uc5d0 \uc131\ub2a5\ubcf4\ub2e4\ub294 \ucd5c\uc801\ud654\ub97c \uc911\uc694\uc2dc\ud588\ub2e4\uba74, AHB(Advanced High-performance Bus)\ub294 \ubcf4\ub2e4 \uc131\ub2a5\uc5d0 \uc9d1\uc911\ud55c \ubc84\uc2a4\uc785\ub2c8\ub2e4. \uadf8\ub798\uc11c signal\ub3c4 \ub354 \ub9ce\uace0 \uc2e4\uc81c \uc791\ub3d9\ud558\ub294 \ubc29\uc2dd\ub3c4 \ubcf5\uc7a1\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub7fc, specification\uc744 \ubcf4\uba74\uc11c \uc790\uc138\ud788 \uc54c\uc544\ubcfc\uae4c\uc694??<\/p>\n\n\n<style>.kb-table-of-content-nav.kb-table-of-content-id304_925ed1-a1 .kb-table-of-content-wrap{padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}.kb-table-of-content-nav.kb-table-of-content-id304_925ed1-a1 .kb-table-of-contents-title-wrap{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.kb-table-of-content-nav.kb-table-of-content-id304_925ed1-a1 .kb-table-of-contents-title{font-weight:regular;font-style:normal;}.kb-table-of-content-nav.kb-table-of-content-id304_925ed1-a1 .kb-table-of-content-wrap .kb-table-of-content-list{font-weight:regular;font-style:normal;margin-top:var(--global-kb-spacing-sm, 1.5rem);margin-right:0px;margin-bottom:0px;margin-left:0px;}@media all and (max-width: 767px){.kb-table-of-content-nav.kb-table-of-content-id304_925ed1-a1 .kb-table-of-contents-title{font-size:var(--global-kb-font-size-md, 1.25rem);}.kb-table-of-content-nav.kb-table-of-content-id304_925ed1-a1 .kb-table-of-content-wrap .kb-table-of-content-list{font-size:var(--global-kb-font-size-sm, 0.9rem);}}<\/style>\n\n<style>.kadence-column304_973d40-2b > .kt-inside-inner-col{box-shadow:inset 0px 0px 14px 0px rgba(0, 0, 0, 0.2);}.kadence-column304_973d40-2b > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column304_973d40-2b > .kt-inside-inner-col{flex-direction:column;}.kadence-column304_973d40-2b > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column304_973d40-2b > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column304_973d40-2b{position:relative;}@media all and (max-width: 1024px){.kadence-column304_973d40-2b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column304_973d40-2b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column304_973d40-2b\"><div class=\"kt-inside-inner-col\">\n<p class=\"wp-block-paragraph\"><strong>\uad00\ub828 \uae00<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705<a href=\"https:\/\/rtlearner.com\/amba-apb-bus\/\">AMBA \u2013 1 APB overview<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705<a href=\"https:\/\/rtlearner.com\/amba-axi-bus\/\">AMBA \u2013 3 AXI overview<\/a><\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Block diagram<\/h2>\n\n\n<style>.kb-image304_ce17fd-42.kb-image-is-ratio-size, .kb-image304_ce17fd-42 .kb-image-is-ratio-size{max-width:700px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_ce17fd-42.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_ce17fd-42 .kb-image-is-ratio-size{align-self:unset;}.kb-image304_ce17fd-42 figure{max-width:700px;}.kb-image304_ce17fd-42 .image-is-svg, .kb-image304_ce17fd-42 .image-is-svg img{width:100%;}.kb-image304_ce17fd-42 .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_ce17fd-42 img.kb-img, .kb-image304_ce17fd-42 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_ce17fd-42.kb-image-is-ratio-size, .kb-image304_ce17fd-42 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_ce17fd-42 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_ce17fd-42\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/beGtaC\/btsgEBQ6aiG\/vq2cn9ZhxGqole62Cyt8wk\/img.png\" alt=\"AHB Block diagram\" class=\"kb-img\"\/><figcaption>Block diagram<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\uba3c\uc800 Block diagram\ubd80\ud130 \ubd10\uc57c\uaca0\uc8e0?? \uc5b8\ub73b \ubcf4\uba74 Master\uac00 \uc5ec\ub7ec Slave\ub97c HSEL\uc744 \ud1b5\ud574 \uc120\ud0dd\ud558\uace0 HWDATA\uc640 HRDATA\ub85c \ub370\uc774\ud130\ub97c \uc8fc\uace0\ubc1b\ub294 \uac04\ub2e8\ud55c \uad6c\uc870\ub85c \ubcf4\uc785\ub2c8\ub2e4. \ud558\uc9c0\ub9cc APB \ubc84\uc2a4\uc5d0\ub294 \uc5c6\ub294 \uc5ec\ub7ec \uac00\uc9c0 \uc2e0\ud638\uc640 \uae30\ub2a5\ub4e4\uc774 \uc788\ub294\ub370\uc694, Signal\uc744 \ubcf4\uba74\uc11c \uc54c\uc544\ubd05\uc2dc\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Signals<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Spec. Ch 2\ub294 signal\uc5d0 \ub300\ud574\uc11c \uae30\uc220\ud569\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image304_d8b9a1-cb.kb-image-is-ratio-size, .kb-image304_d8b9a1-cb .kb-image-is-ratio-size{max-width:700px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_d8b9a1-cb.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_d8b9a1-cb .kb-image-is-ratio-size{align-self:unset;}.kb-image304_d8b9a1-cb figure{max-width:700px;}.kb-image304_d8b9a1-cb .image-is-svg, .kb-image304_d8b9a1-cb .image-is-svg img{width:100%;}.kb-image304_d8b9a1-cb .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_d8b9a1-cb img.kb-img, .kb-image304_d8b9a1-cb .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_d8b9a1-cb.kb-image-is-ratio-size, .kb-image304_d8b9a1-cb .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_d8b9a1-cb figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_d8b9a1-cb\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/Ycu9K\/btsgC5ys4uR\/4QlkxXr5vyQ3VBc1DJ7qP1\/img.png\" alt=\"AHB Global signals\" class=\"kb-img\"\/><figcaption>Global signals<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\uba3c\uc800 APB \ubc84\uc2a4\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c clock\uacfc Active Low\uc778 resetn\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\ubd80\ud130 \ub09c\ub9ac \ub098\uc694,,,,<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Master signals<\/h3>\n\n\n<style>.kb-image304_8e3be6-13.kb-image-is-ratio-size, .kb-image304_8e3be6-13 .kb-image-is-ratio-size{max-width:650px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_8e3be6-13.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_8e3be6-13 .kb-image-is-ratio-size{align-self:unset;}.kb-image304_8e3be6-13 figure{max-width:650px;}.kb-image304_8e3be6-13 .image-is-svg, .kb-image304_8e3be6-13 .image-is-svg img{width:100%;}.kb-image304_8e3be6-13 .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_8e3be6-13 img.kb-img, .kb-image304_8e3be6-13 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_8e3be6-13.kb-image-is-ratio-size, .kb-image304_8e3be6-13 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_8e3be6-13 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_8e3be6-13\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/elqhgT\/btsgC4l0pmj\/XkRYAdrkFF6kR3NksC2GEK\/img.png\" alt=\"AHB Master signals\" class=\"kb-img\"\/><figcaption>Master signals 1<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">HADDR\uc740 \uc54c\uaca0\ub294\ub370,,,, \ub098\uba38\uc9c0\ub294 \ubb50\uc9c0?? \uc544\uc9c1 \uc548 \ub05d\ub0ac\uc2b5\ub2c8\ub2fc\u314b\u314b\u314b\u314b\u314b<\/p>\n\n\n<style>.kb-image304_05fc14-17.kb-image-is-ratio-size, .kb-image304_05fc14-17 .kb-image-is-ratio-size{max-width:650px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_05fc14-17.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_05fc14-17 .kb-image-is-ratio-size{align-self:unset;}.kb-image304_05fc14-17 figure{max-width:650px;}.kb-image304_05fc14-17 .image-is-svg, .kb-image304_05fc14-17 .image-is-svg img{width:100%;}.kb-image304_05fc14-17 .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_05fc14-17 img.kb-img, .kb-image304_05fc14-17 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_05fc14-17.kb-image-is-ratio-size, .kb-image304_05fc14-17 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_05fc14-17 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_05fc14-17\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/V7X1a\/btsgD9UEKAo\/XytFMvPd56s7adpX6ZRsP1\/img.png\" alt=\"Master signals\" class=\"kb-img\"\/><figcaption>Master signals 2<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">HWDATA, HWRITE \ube7c\uace0\ub294 \ubaa8\ub974\ub294 signal\ub4e4\uc774\ub124\uc694,,, \uc5ec\uae30\uae4c\uc9c0\uac00 Master\uc5d0\uc11c \ub098\uac00\ub294 \uc2e0\ud638\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Slave signals<\/h3>\n\n\n<style>.kb-image304_feb2cd-8a.kb-image-is-ratio-size, .kb-image304_feb2cd-8a .kb-image-is-ratio-size{max-width:650px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_feb2cd-8a.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_feb2cd-8a .kb-image-is-ratio-size{align-self:unset;}.kb-image304_feb2cd-8a figure{max-width:650px;}.kb-image304_feb2cd-8a .image-is-svg, .kb-image304_feb2cd-8a .image-is-svg img{width:100%;}.kb-image304_feb2cd-8a .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_feb2cd-8a img.kb-img, .kb-image304_feb2cd-8a .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_feb2cd-8a.kb-image-is-ratio-size, .kb-image304_feb2cd-8a .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_feb2cd-8a figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_feb2cd-8a\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/vVYWz\/btsgFdCfL5f\/hyiT1zOdMT5roTfK01dY70\/img.png\" alt=\"Slave signals\" class=\"kb-img\"\/><figcaption>Slave signals<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">HRDATA\ub294 Slave\uc5d0\uc11c Master\ub85c \uac00\ub294 \ub370\uc774\ud130\uc77c \uac83\uc774\uace0,,,, HREADYOUT\uc740 Slave \uc900\ube44 \uc0c1\ud0dc\ub97c \uc758\ubbf8\ud558\uaca0\uc8e0?? \ubaa8\ub974\ub294 \uc2e0\ud638\ub4e4\uc774 \ub108\ubb34 \ub9ce\uc740\ub370 \uc2e4\uc81c AHB \ub3d9\uc791\uc744 \ud558\ub098\ud558\ub098 \ud655\uc778\ud558\uba74\uc11c \uc54c\uc544\ubd05\uc2dc\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">AHB Read \/ Write<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Single transfer<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Spec. Ch 3\ub294 Transfer\uc5d0 \ub300\ud574 \uae30\uc220\ud569\ub2c8\ub2e4. \uba3c\uc800 Basic transfer\ub97c \uc0b4\ud3b4\ubcfc\uae4c\uc694?<\/p>\n\n\n<style>.kb-image304_b50c53-50.kb-image-is-ratio-size, .kb-image304_b50c53-50 .kb-image-is-ratio-size{max-width:650px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_b50c53-50.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_b50c53-50 .kb-image-is-ratio-size{align-self:unset;}.kb-image304_b50c53-50 figure{max-width:650px;}.kb-image304_b50c53-50 .image-is-svg, .kb-image304_b50c53-50 .image-is-svg img{width:100%;}.kb-image304_b50c53-50 .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_b50c53-50 img.kb-img, .kb-image304_b50c53-50 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_b50c53-50.kb-image-is-ratio-size, .kb-image304_b50c53-50 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_b50c53-50 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_b50c53-50\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/qyHUA\/btsgCoFAuZq\/9x8YcbtpyaMQidFelVUbJ1\/img.png\" alt=\"AHB Basic transfer\" class=\"kb-img\"\/><figcaption>Basic transfer<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704 timing diagram\uc744 \ubcf4\uba74 APB transfer\uc640 \ud06c\uac8c \ucc28\uc774\uac00 \uc5c6\ub294 \uac83\ucc98\ub7fc \ubcf4\uc774\uc9c0\ub9cc, APB transfer\uc640 \ub2ec\ub9ac address phase\uc640 data phase\ub85c \ub098\ub258\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc7a0\uae50 APB transfer timing diagram\uc744 \uc0b4\ud3b4\ubcfc\uae4c\uc694??<\/p>\n\n\n<style>.kb-image304_ba3943-fb.kb-image-is-ratio-size, .kb-image304_ba3943-fb .kb-image-is-ratio-size{max-width:650px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_ba3943-fb.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_ba3943-fb .kb-image-is-ratio-size{align-self:unset;}.kb-image304_ba3943-fb figure{max-width:650px;}.kb-image304_ba3943-fb .image-is-svg, .kb-image304_ba3943-fb .image-is-svg img{width:100%;}.kb-image304_ba3943-fb .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_ba3943-fb img.kb-img, .kb-image304_ba3943-fb .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_ba3943-fb.kb-image-is-ratio-size, .kb-image304_ba3943-fb .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_ba3943-fb figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_ba3943-fb\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/mvxqa\/btsgCor3KkO\/6r21uHnJrcuCgQK0xnFC11\/img.png\" alt=\"APB write transfer\" class=\"kb-img\"\/><figcaption>APB write transfer<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">APB transfer\uc758 \uacbd\uc6b0 Slave\uac00 \ub370\uc774\ud130\ub97c \ubc1b\uc744 \uc900\ube44\uac00 \ub418\uc5b4 PREADY\uac00 \ub728\uba74 Slave\uac00 \ub370\uc774\ud130\ub97c \ubc1b\ub294\ub370 \uadf8\ub3d9\uc548 PADDR\uc740 \uc2e0\ud638\ub97c \uacc4\uc18d\ud574\uc11c \uc7a1\uace0 \uc788\uac8c \ub429\ub2c8\ub2e4. \ud558\uc9c0\ub9cc AHB transfer\uc758 \uacbd\uc6b0, address\uc640 data\uc758 phase\uac00 \ubd84\ub9ac\ub3fc \uc788\uae30 \ub54c\ubb38\uc5d0&nbsp; HADDR\uc774 \uc2e0\ud638\ub97c \uacc4\uc18d \ubb3c\uace0 \uc788\uc9c0 \uc54a\uc544\ub3c4 \ub429\ub2c8\ub2e4. \uadf8\ub807\ub2e4\uba74 \uadf8\uac8c \ubb34\uc2a8 \uc774\uc810\uc774 \uc788\uc744\uae4c\uc694?? \uadf8\uac74 Multiple transfer\ub97c \ubcf4\uba74\uc11c \uc774\ud574\ud574 \ubd05\uc2dc\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Multiple transfer<\/h3>\n\n\n<style>.kb-image304_e73274-7d.kb-image-is-ratio-size, .kb-image304_e73274-7d .kb-image-is-ratio-size{max-width:650px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_e73274-7d.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_e73274-7d .kb-image-is-ratio-size{align-self:unset;}.kb-image304_e73274-7d figure{max-width:650px;}.kb-image304_e73274-7d .image-is-svg, .kb-image304_e73274-7d .image-is-svg img{width:100%;}.kb-image304_e73274-7d .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_e73274-7d img.kb-img, .kb-image304_e73274-7d .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_e73274-7d.kb-image-is-ratio-size, .kb-image304_e73274-7d .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_e73274-7d figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_e73274-7d\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/l15nG\/btsgCHETyqi\/8onmgt9yHgcZJv2IMauKfk\/img.png\" alt=\"AHB Multiple transfer\" class=\"kb-img\"\/><figcaption>Multiple transfer<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6b0\uc120 \uc704 transfer\uc758 \uc2dc\ub098\ub9ac\uc624\ub97c \uc0b4\ud3b4\ubcf4\uc790\uba74 write\uac00 1\uc774\uba74 \uc4f0\uae30, 0\uc774\uba74 \uc77d\uae30\ub77c\uace0 \ud588\uc8e0?? A \uc8fc\uc18c\uc5d0 \uc4f0\uace0 B \uc8fc\uc18c\uc758 \ub370\uc774\ud130\ub97c \uc77d\uace0 C \uc8fc\uc18c\uc5d0 \uc4f0\ub294\ub370, B \uc8fc\uc18c\uc758 \ub370\uc774\ud130\ub97c \uc77d\uc744 \ub54c slave\uac00 \ubb34\uc2a8 \uc77c\uc778\uc9c0 \uc900\ube44\uac00 \uc548 \ub3fc\uc11c 1 clock \uc8fc\uae30\ub9cc\ud07c \uae30\ub2e4\ub9ac\uace0 \uc9c4\ud589\ud558\ub294 \uc0c1\ud669\uc774\ub124\uc694.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Multiple transfer\uc758 \ud2b9\uc9d5 \uc911 \ud558\ub098\ub294 address phase\uc640 data phase\uac00 \uc911\ucca9\ub41c\ub2e4\ub294 \uac81\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image304_fddf90-4d.kb-image-is-ratio-size, .kb-image304_fddf90-4d .kb-image-is-ratio-size{max-width:650px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_fddf90-4d.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_fddf90-4d .kb-image-is-ratio-size{align-self:unset;}.kb-image304_fddf90-4d figure{max-width:650px;}.kb-image304_fddf90-4d .image-is-svg, .kb-image304_fddf90-4d .image-is-svg img{width:100%;}.kb-image304_fddf90-4d .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_fddf90-4d img.kb-img, .kb-image304_fddf90-4d .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_fddf90-4d.kb-image-is-ratio-size, .kb-image304_fddf90-4d .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_fddf90-4d figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_fddf90-4d\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/1tYEa\/btsgE7be99c\/EZfo2PoRbcWoMKa6jIAY10\/img.png\" alt=\"AHB Multiple transfer \uc124\uba85\" class=\"kb-img\"\/><figcaption>Multiple transfer \uc124\uba85<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Data phase\uc640 \ub2e4\uc74c transfer\uc758 address phase\ub97c \uc911\ucca9\ud568\uc73c\ub85c\uc368 Multiple transfer\uac00 \uc5f0\uc18d\uc801\uc73c\ub85c \uc9c4\ud589\ub420 \uc218 \uc788\uace0, \uc774\ub97c \ud1b5\ud574 performance\ub97c \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Burst mode transfer<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">HTRANS[1:0] \uc124\uba85<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">HTRANS[1:0]\uc740 transfer\uc758 \uc0c1\ud0dc\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image304_bf5267-ad.kb-image-is-ratio-size, .kb-image304_bf5267-ad .kb-image-is-ratio-size{max-width:650px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_bf5267-ad.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_bf5267-ad .kb-image-is-ratio-size{align-self:unset;}.kb-image304_bf5267-ad figure{max-width:650px;}.kb-image304_bf5267-ad .image-is-svg, .kb-image304_bf5267-ad .image-is-svg img{width:100%;}.kb-image304_bf5267-ad .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_bf5267-ad img.kb-img, .kb-image304_bf5267-ad .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_bf5267-ad.kb-image-is-ratio-size, .kb-image304_bf5267-ad .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_bf5267-ad figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_bf5267-ad\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/b41Y1p\/btsgEL662Dk\/xkULKxpJixUcW6VQBVPub0\/img.png\" alt=\"HTRANS signal \uc124\uba85\" class=\"kb-img\"\/><figcaption>HTRANS signal \uc124\uba85<\/figcaption><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>00(IDLE)<\/strong>&nbsp;: Bus\ub97c \ud1b5\ud574 transfer\uac00 \uc9c4\ud589\ub418\uc9c0 \uc54a\uace0 \uc788\ub294 \uc0c1\ud0dc<\/li>\n\n\n\n<li><strong>01(BUSY)<\/strong>&nbsp;: Master\uac00 \uc5b4\ub5a4 \uc774\uc720\ub85c \uc778\ud574 \ub2e4\uc74c transfer\ub97c \uc9c4\ud589\uc2dc\ud0ac \uc218 \uc5c6\ub294 \uc0c1\ud0dc<\/li>\n\n\n\n<li><strong>10(NONSEQ)<\/strong>&nbsp;: \uc774\uc804\uc5d0 transfer\uac00 \uc5c6\uc5c8\uace0 \uccab \ubc88\uc9f8 transfer\uc778 \uc0c1\ud0dc, single transfer\ub77c\uba74 NONSEQ\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>11(SEQ)<\/strong>&nbsp;: \uc774\uc804 transfer\uc5d0 \uc774\uc5b4 \uc9c4\ud589\ub418\ub294 \uc0c1\ud0dc<\/li>\n<\/ul>\n\n\n<style>.kb-image304_1ddafd-20.kb-image-is-ratio-size, .kb-image304_1ddafd-20 .kb-image-is-ratio-size{max-width:650px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_1ddafd-20.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_1ddafd-20 .kb-image-is-ratio-size{align-self:unset;}.kb-image304_1ddafd-20 figure{max-width:650px;}.kb-image304_1ddafd-20 .image-is-svg, .kb-image304_1ddafd-20 .image-is-svg img{width:100%;}.kb-image304_1ddafd-20 .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_1ddafd-20 img.kb-img, .kb-image304_1ddafd-20 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_1ddafd-20.kb-image-is-ratio-size, .kb-image304_1ddafd-20 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_1ddafd-20 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_1ddafd-20\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/x41OZ\/btsgDhMK4Nl\/Pbr73nKnvFSagOj9Alogv0\/img.png\" alt=\"Transfer type \uc608\uc2dc\" class=\"kb-img\"\/><figcaption>Transfer type \uc608\uc2dc<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Transfer type\uc758 \uc608\uc2dc\uac00 \uc788\ub294\ub370\uc694, \uc790\uc138\ud788 \uc0b4\ud3b4\ubd05\uc2dc\ub2e4. \ubaa8\ub4e0 transfer\ub294 HWRITE\uac00 Low \uc0c1\ud0dc\uc774\ubbc0\ub85c read\uc785\ub2c8\ub2e4.<br>HBURST[2:0] signal\uc740 \uc870\uae08 \ub4a4\uc5d0 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T0 &#8211; T1 :<\/strong>&nbsp;\uccab \ubc88\uc9f8 transfer\uc758 address phase\uc785\ub2c8\ub2e4. \uccab \uc804\uc1a1\uc774\ub2c8 HTRANS\uac00 NONSEQ \uc0c1\ud0dc\ub97c \ub098\ud0c0\ub0b4\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>T1 &#8211; T2 :<\/strong>&nbsp;Address 0X20\uc758 data phase\uc640 0X24\uc758 address phase\uac00 \uc911\ucca9\ub41c \uc0c1\ud0dc\uc785\ub2c8\ub2e4. \ub450 \ubc88\uc9f8 transfer\ubd80\ud130\ub294 SEQ \uc0c1\ud0dc\uc774\uc9c0\ub9cc Master\uac00 \ub2e4\uc74c transfer\ub97c \ucc98\ub9ac\ud560 \uc900\ube44\uac00 \uc548 \ub3fc\uc11c BUSY \uc0c1\ud0dc\ub124\uc694.&nbsp;0X20 \ub370\uc774\ud130\ub294 \ubc1b\uc558\uc9c0\ub9cc \ub2e4\uc74c transfer\uc778 0X24\uc758 address phase\ub294 \ud55c \ubc88 \ub354 \ub098\uc640\uc57c \ud560 \uac81\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>T2 &#8211; T3 :<\/strong>&nbsp;BUSY \uc0c1\ud0dc\uac00 \ub05d\ub098\uc11c SEQ \uc0c1\ud0dc\ub85c \ub118\uc5b4\uac04 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ud6c4\ub85c\ub294 transfer\uac00 \ub05d\ub0a0 \ub54c\uae4c\uc9c0 SEQ \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud558\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 0X24 address phase\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>T3 &#8211; T4 :<\/strong>&nbsp;0X24 data phase\uc640 0X28 address phase \uc911\ucca9\ub41c \uc0c1\ud669\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>T4 &#8211; T5 :<\/strong>&nbsp;Slave\uac00 \ub370\uc774\ud130\ub97c \ubcf4\ub0bc \uc900\ube44\uac00 \ub418\uc9c0 \uc54a\uc544 \uc804\uc1a1\uc774 \uc9c4\ud589\ub418\uc9c0 \uc54a\uace0 \uc788\uc2b5\ub2c8\ub2e4. T5 clock posedge\uc5d0 HREADY LOW\uc774\ubbc0\ub85c address\uc640 data \ubaa8\ub450 HREADY High\uac00 \ub420 \ub54c\uae4c\uc9c0 \uae30\ub2e4\ub9bd\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>T5 &#8211; T6 :<\/strong>&nbsp;0X28 data phase\uc640 0X2C address phase \uc911\ucca9\uc0c1\ud0dc\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>T6 &#8211; T7 :<\/strong>&nbsp;0X2C data phase\uc785\ub2c8\ub2e4. Slave\ub85c\ubd80\ud130 \ub9c8\uc9c0\ub9c9 \ub370\uc774\ud130\ub97c \uc77d\uc5b4\uc635\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">HMASTLOCK \uc124\uba85<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704 \uc608\uc2dc\ub294 \ud55c address\uc5d0 \ud55c \ubc88\uc758 transfer\ub9cc \uc9c4\ud589\ud588\uc2b5\ub2c8\ub2e4. \uadf8\ub7f0\ub370 \ub9cc\uc57d \ub450 \ubc88\uc758 transfer\ub97c \uc9c4\ud589\ud574\uc57c \ud55c\ub2e4\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c\uc694?<\/p>\n\n\n<style>.kb-image304_95212a-45.kb-image-is-ratio-size, .kb-image304_95212a-45 .kb-image-is-ratio-size{max-width:650px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_95212a-45.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_95212a-45 .kb-image-is-ratio-size{align-self:unset;}.kb-image304_95212a-45 figure{max-width:650px;}.kb-image304_95212a-45 .image-is-svg, .kb-image304_95212a-45 .image-is-svg img{width:100%;}.kb-image304_95212a-45 .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_95212a-45 img.kb-img, .kb-image304_95212a-45 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_95212a-45.kb-image-is-ratio-size, .kb-image304_95212a-45 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_95212a-45 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_95212a-45\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/mrfOl\/btsg4ipOSjD\/BhI99jfstHA69J4RdnqmE1\/img.png\" alt=\"Locked transfer\" class=\"kb-img\"\/><figcaption>Locked transfer<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">HMASTLOCK signal\uc744 \ud1b5\ud574 \ud55c address\uc5d0 \uc5ec\ub7ec \ubc88 transfer\ub97c \uc9c4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc704\uc758 \uc608\uc2dc\ub294 A \uc8fc\uc18c\uc758 \ub370\uc774\ud130\ub97c \uc77d\uace0 \ubc14\ub85c \uc4f0\ub294 transfer\uc778\ub370\uc694, HMASTLOCK signal\uc774 High\uc774\ubbc0\ub85c A address phase\uac00 \uc5f0\uc18d\uc73c\ub85c \ub098\uc624\uace0 \ub370\uc774\ud130\ub97c \uc77d\uace0 \uc4f0\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub9ac\uace0 HTRANS\uac00 NONSEQ\uc778 \uac83\uc73c\ub85c \ubcf4\uc544 \uc774\uc804 transfer\ub294 \uc5c6\uc5c8\uace0, \uccab transfer\uac00 NONSEQ\ub77c\uba74 HMASTLOCK &#8211; High\ub85c \uc778\ud574 \ub450 \ubc88\uc9f8 transfer\ub3c4 \uac19\uc740 address\uc5d0 \ub300\ud55c transfer\uc774\ubbc0\ub85c NONSEQ \uc0c1\ud0dc\uc778 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">HBURST[2:0] \uc124\uba85<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uc81c AHB Bus\uc758 \ud575\uc2ec\uc774\ub77c\uace0 \ud560 \uc218 \uc788\ub294 Burst mode\uc5d0 \ub300\ud574 \uc54c\uc544\ubd05\uc2dc\ub2e4. AHB Burst mode\ub294 HBURST[2:0] signal\uacfc HSIZE[2:0] signal\ub85c \ucee8\ud2b8\ub864\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image304_c09122-7b.kb-image-is-ratio-size, .kb-image304_c09122-7b .kb-image-is-ratio-size{max-width:650px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_c09122-7b.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_c09122-7b .kb-image-is-ratio-size{align-self:unset;}.kb-image304_c09122-7b figure{max-width:650px;}.kb-image304_c09122-7b .image-is-svg, .kb-image304_c09122-7b .image-is-svg img{width:100%;}.kb-image304_c09122-7b .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_c09122-7b img.kb-img, .kb-image304_c09122-7b .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_c09122-7b.kb-image-is-ratio-size, .kb-image304_c09122-7b .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_c09122-7b figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_c09122-7b\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/b23U78\/btsg1eaLaj4\/YKHnssZLacQSDurR8lSoU0\/img.png\" alt=\"HBURST signal \uc124\uba85\" class=\"kb-img\"\/><figcaption>HBURST signal \uc124\uba85<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uc804 \uadf8\ub9bc\uc5d0\uc11c HBURST signal\uc774 INCR\uc600\ub358 \uac83 \uae30\uc5b5\ud558\uc2dc\ub098\uc694? \uc704 \ud45c\uc758 description\uc744 \uc774\ud574\ud55c\ub2e4\uba74 HBURST signal\uc5d0 \ub300\ud574 \uc54c \uc218 \uc788\uc744 \uac83 \uac19\ub124\uc694.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Single\uc740 \ub2f9\uc5f0\ud788 single transfer\uc77c \uac83\uc774\uace0, 4, 8, 16-beat burst\uac00 \uc788\ub294\ub370 \uc5ec\uae30\uc11c beat\ub294 transfer \ud560 \ub370\uc774\ud130\uc758 \uc218\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 16-beat burst\ub294 16\uac1c\uc758 \ub370\uc774\ud130\ub97c \uc5f0\uc18d\uc801\uc73c\ub85c transfer \uc2dc\ud0a8\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. Undefined length burst\ub294 transfer \uc2dc\ud0ac \ub370\uc774\ud130 \uc218\ub97c \uc815\ud558\uc9c0 \uc54a\uc740 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uadf8\ub7fc, \uc774\uc81c INCR\uc640 WRAP\uc5d0 \ub300\ud574 \uc54c\uc544\ubd05\uc2dc\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Incrementing&nbsp;burst<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Incrementing burst mode\ub294 address\ub97c \uc5f0\uc18d\uc801\uc73c\ub85c \uc99d\uac00\uc2dc\ud0a4\uba70 transfer\ub97c \uc9c4\ud589\uc2dc\ud0a4\ub294 mode\uc785\ub2c8\ub2e4. \uc5bc\ub9c8\ub098 \uc99d\uac00\uc2dc\ud0ac\uc9c0\ub294 HSIZE[2:0] signal\uc744 \ud1b5\ud574 \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Wrapping&nbsp;burst<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Wrapping burst mode\ub294 incrementing burst mode\ucc98\ub7fc \uc8fc\uc18c\ub97c \uacc4\uc18d \uc99d\uac00\uc2dc\ud0a4\ub294 \uac83\uc774 \uc544\ub2c8\ub77c boundary\ub97c \ub9cc\ub4e4\uc5b4 \uadf8 \uc548\uc5d0\uc11c\ub9cc \uc8fc\uc18c\ub97c \uc99d\uac00\uc2dc\ud0a4\ub294 \uac83\uc785\ub2c8\ub2e4, boundary\ub294 HBURST\uc640 HSIZE\ub97c \ud1b5\ud574 \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">HSIZE[2:0] \uc124\uba85<\/h3>\n\n\n<style>.kb-image304_a403a0-13 .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_a403a0-13 img.kb-img, .kb-image304_a403a0-13 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_a403a0-13.kb-image-is-ratio-size, .kb-image304_a403a0-13 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_a403a0-13 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_a403a0-13\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/bd4cU1\/btsg9Npg6w9\/smTUekujmyo0qHZQ2eKPM0\/img.png\" alt=\"HSIZE signal \uc124\uba85\" class=\"kb-img\"\/><figcaption>HSIZE signal \uc124\uba85<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">HSIZE[2:0] signal\uc740 data transfer\uc758 size\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uadf8\ub807\ub2e4\uba74 \uc55e\uc5d0 \ub098\uc628 HBURST\uc640 HSIZE\uc5d0 \ub530\ub77c transfer\uac00 \uc5b4\ub5bb\uac8c \ub2ec\ub77c\uc9c0\ub294\uc9c0 \uc608\uc2dc\ub97c \ud1b5\ud574 \uc774\ud574\ud574 \ubd05\uc2dc\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Burst examples<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Incrementing burst example<\/h4>\n\n\n<style>.kb-image304_632e32-ef.kb-image-is-ratio-size, .kb-image304_632e32-ef .kb-image-is-ratio-size{max-width:700px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_632e32-ef.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_632e32-ef .kb-image-is-ratio-size{align-self:unset;}.kb-image304_632e32-ef figure{max-width:700px;}.kb-image304_632e32-ef .image-is-svg, .kb-image304_632e32-ef .image-is-svg img{width:100%;}.kb-image304_632e32-ef .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_632e32-ef img.kb-img, .kb-image304_632e32-ef .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_632e32-ef.kb-image-is-ratio-size, .kb-image304_632e32-ef .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_632e32-ef figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_632e32-ef\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/WY023\/btsg2ka8J63\/FyGKt9EIrq2oTdNhjUXJ3k\/img.png\" alt=\"Incrementing burst 1\" class=\"kb-img\"\/><figcaption>Incrementing burst 1<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\uba3c\uc800 incrementing burst mode\uc785\ub2c8\ub2e4. \uc774\uc81c HPROT \ube7c\uace0\ub294 \ub2e4 \uc774\ud574\ud558\uc2e4 \uc218 \uc788\uaca0\uc8e0?? HTRANS\ub97c \ud1b5\ud574 \uc0c1\ud0dc\ub97c \ubcfc \uc218 \uc788\uace0, read transfer\uc774\uba70, T1~T2\uc5d0\uc11c HREADY\uac00 Low\uc5ec\uc11c 1 clock \uc8fc\uae30\ub9cc\ud07c \ub300\uae30\ud55c \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HBURST[2:0]\uac00 INCR4\uc774\ubbc0\ub85c 4\uac1c\uc758 \ub370\uc774\ud130\ub97c \uc77d\ub294\ub370 \uc8fc\uc18c\uac00 boundary \uc5c6\uc774 \uc99d\uac00\ud558\uace0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HSIZE[2:0]\uac00 word(4-byte)\uc774\ubbc0\ub85c \uc8fc\uc18c\uac00 \uc2dc\uc791 0X38\ubd80\ud130 4\uc529 \uc99d\uac00\ud558\uc5ec 0X3c, 0X40, 0X44\uc778 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image304_5a83c0-43.kb-image-is-ratio-size, .kb-image304_5a83c0-43 .kb-image-is-ratio-size{max-width:700px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_5a83c0-43.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_5a83c0-43 .kb-image-is-ratio-size{align-self:unset;}.kb-image304_5a83c0-43 figure{max-width:700px;}.kb-image304_5a83c0-43 .image-is-svg, .kb-image304_5a83c0-43 .image-is-svg img{width:100%;}.kb-image304_5a83c0-43 .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_5a83c0-43 img.kb-img, .kb-image304_5a83c0-43 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_5a83c0-43.kb-image-is-ratio-size, .kb-image304_5a83c0-43 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_5a83c0-43 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_5a83c0-43\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/m5FAx\/btsg8bq1CYu\/Ity9gAgPtoSg2ID9yLiuRk\/img.png\" alt=\"Incrementing burst 2\" class=\"kb-img\"\/><figcaption>Incrementing burst 2<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubc88\uc5d0\ub294 INCR8\uc774\ubbc0\ub85c 8\uac1c\uc758 data\ub97c transfer \ud558\uaca0\ub124\uc694. Word\uac00 Halfword\uc774\ubbc0\ub85c address\uac00 2-byte \uc529 \uc99d\uac00\ud558\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Wrapping burst example<\/h4>\n\n\n<style>.kb-image304_bed2ea-d8.kb-image-is-ratio-size, .kb-image304_bed2ea-d8 .kb-image-is-ratio-size{max-width:700px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_bed2ea-d8.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_bed2ea-d8 .kb-image-is-ratio-size{align-self:unset;}.kb-image304_bed2ea-d8 figure{max-width:700px;}.kb-image304_bed2ea-d8 .image-is-svg, .kb-image304_bed2ea-d8 .image-is-svg img{width:100%;}.kb-image304_bed2ea-d8 .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_bed2ea-d8 img.kb-img, .kb-image304_bed2ea-d8 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_bed2ea-d8.kb-image-is-ratio-size, .kb-image304_bed2ea-d8 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_bed2ea-d8 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_bed2ea-d8\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/dBsvHP\/btsg9ElKXds\/S5ZGuwfssRm5U7lXzveiuK\/img.png\" alt=\"Wrapping burst 1\" class=\"kb-img\"\/><figcaption>Wrapping burst 1<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Wrapping burst\uc5d0\uc11c\ub294 boundary\ub97c \uacc4\uc0b0\ud574\uc57c \ud558\ub294\ub370\uc694, 4-beat burst\uc774\uace0 word(4-byte)\uc774\ubbc0\ub85c boundary\ub294 4*4 = 16 (0X10)\uc778 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ubbc0\ub85c 0X3C\uc5d0\uc11c 0X40\uc73c\ub85c \ub118\uc5b4\uac00\uc9c0 \uc54a\uace0 0X30\uc73c\ub85c \ub3cc\uc544\uc624\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image304_cab47b-e4.kb-image-is-ratio-size, .kb-image304_cab47b-e4 .kb-image-is-ratio-size{max-width:700px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_cab47b-e4.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_cab47b-e4 .kb-image-is-ratio-size{align-self:unset;}.kb-image304_cab47b-e4 figure{max-width:700px;}.kb-image304_cab47b-e4 .image-is-svg, .kb-image304_cab47b-e4 .image-is-svg img{width:100%;}.kb-image304_cab47b-e4 .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_cab47b-e4 img.kb-img, .kb-image304_cab47b-e4 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_cab47b-e4.kb-image-is-ratio-size, .kb-image304_cab47b-e4 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_cab47b-e4 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_cab47b-e4\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/bBC3BH\/btsg8ci8Pb2\/LI6EqTq6gctVM3NuSkiJNK\/img.png\" alt=\"Wrapping burst 2\" class=\"kb-img\"\/><figcaption>Wrapping burst 2<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">8-beat wrapping burst\uc785\ub2c8\ub2e4. Boundary\ubd80\ud130 \uacc4\uc0b0\ud574 \ubcfc\uae4c\uc694?? 8-beat * word(4-byte) = 32(0x20)\uc785\ub2c8\ub2e4. \uadf8\ub798\uc11c address\uac00 0X3C\uc5d0\uc11c 0X20\uc73c\ub85c \ub3cc\uc544\uac11\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Undefined burst example<\/h4>\n\n\n<style>.kb-image304_8fe8e4-de.kb-image-is-ratio-size, .kb-image304_8fe8e4-de .kb-image-is-ratio-size{max-width:700px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_8fe8e4-de.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_8fe8e4-de .kb-image-is-ratio-size{align-self:unset;}.kb-image304_8fe8e4-de figure{max-width:700px;}.kb-image304_8fe8e4-de .image-is-svg, .kb-image304_8fe8e4-de .image-is-svg img{width:100%;}.kb-image304_8fe8e4-de .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_8fe8e4-de img.kb-img, .kb-image304_8fe8e4-de .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_8fe8e4-de.kb-image-is-ratio-size, .kb-image304_8fe8e4-de .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_8fe8e4-de figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_8fe8e4-de\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/dfnI1D\/btsg830Cv96\/hBXYmX7RjfpNyPfjn8PK3k\/img.png\" alt=\"Undefined burst\" class=\"kb-img\"\/><figcaption>Undefined burst<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c8\uc9c0\ub9c9\uc73c\ub85c Undefined length burst mode\uc785\ub2c8\ub2e4. Undefined length burst\ub85c \uc124\uc815\ud558\uba74 3\uac1c\uc758 data\ub3c4 transfer \uc2dc\ud0ac \uc218 \uc788\ub124\uc694.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Slave response signals<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Slave\uac00 Master\uc5d0 \uc758\ud55c transfer\uc5d0 \ub300\ud574 HRESP signal\uc744 \ud1b5\ud574 \ubc18\uc751\ud558\ub294\ub370\uc694, OKAY \uc0c1\ud0dc\uc640 ERROR \uc0c1\ud0dc\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image304_347362-bd.kb-image-is-ratio-size, .kb-image304_347362-bd .kb-image-is-ratio-size{max-width:700px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_347362-bd.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_347362-bd .kb-image-is-ratio-size{align-self:unset;}.kb-image304_347362-bd figure{max-width:700px;}.kb-image304_347362-bd .image-is-svg, .kb-image304_347362-bd .image-is-svg img{width:100%;}.kb-image304_347362-bd .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_347362-bd img.kb-img, .kb-image304_347362-bd .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_347362-bd.kb-image-is-ratio-size, .kb-image304_347362-bd .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_347362-bd figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_347362-bd\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/bZtAA9\/btsg9fgx4rX\/SSrF9o7KcsiCQ7aCeJ4lr1\/img.png\" alt=\"HRESP signal\" class=\"kb-img\"\/><figcaption>HRESP signal<\/figcaption><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>0 (OKAY)<\/strong>&nbsp;: Transfer\uac00 \uc131\uacf5\uc801\uc73c\ub85c \uc644\ub8cc\ub428<\/li>\n\n\n\n<li><strong>1 (ERROR)<\/strong>&nbsp;: Transfer\uc5d0 error\uac00 \uc788\uc74c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub798\uc11c Slave source signal\uc778 HRESP\uc640 HREADYOUT\uc744 \ud1b5\ud574 transfer\uc758 \uc0c1\ud0dc\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image304_dcdb6f-a6.kb-image-is-ratio-size, .kb-image304_dcdb6f-a6 .kb-image-is-ratio-size{max-width:700px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_dcdb6f-a6.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_dcdb6f-a6 .kb-image-is-ratio-size{align-self:unset;}.kb-image304_dcdb6f-a6 figure{max-width:700px;}.kb-image304_dcdb6f-a6 .image-is-svg, .kb-image304_dcdb6f-a6 .image-is-svg img{width:100%;}.kb-image304_dcdb6f-a6 .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_dcdb6f-a6 img.kb-img, .kb-image304_dcdb6f-a6 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_dcdb6f-a6.kb-image-is-ratio-size, .kb-image304_dcdb6f-a6 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_dcdb6f-a6 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_dcdb6f-a6\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/pTFEO\/btshgopeAjc\/n3Ly6uL1oRYuC6QBl3BLw1\/img.png\" alt=\"HRESP and HREADYOUT\" class=\"kb-img\"\/><figcaption>HRESP and HREADYOUT<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">HRESP\uc5d0\uc11c \uc911\uc694\ud55c \uc810\uc740 ERROR \uc2e0\ud638\ub294 \ub450 clock cycle \uc774\uc0c1 \ub0b4\ubcf4\ub0b4\uc57c \ud55c\ub2e4\ub294 \uac81\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image304_76e43e-e4.kb-image-is-ratio-size, .kb-image304_76e43e-e4 .kb-image-is-ratio-size{max-width:700px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_76e43e-e4.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_76e43e-e4 .kb-image-is-ratio-size{align-self:unset;}.kb-image304_76e43e-e4 figure{max-width:700px;}.kb-image304_76e43e-e4 .image-is-svg, .kb-image304_76e43e-e4 .image-is-svg img{width:100%;}.kb-image304_76e43e-e4 .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_76e43e-e4 img.kb-img, .kb-image304_76e43e-e4 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_76e43e-e4.kb-image-is-ratio-size, .kb-image304_76e43e-e4 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_76e43e-e4 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_76e43e-e4\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/AdXtd\/btsg26R5ZQS\/SnqNNpep8nLU5lKHNGJLT1\/img.png\" alt=\"Slave response signal example\" class=\"kb-img\"\/><figcaption>Slave response signal example<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704 Timing diagram\uc744 \ubcf4\uba74\uc11c \uc774\ud574\ud574 \ubd05\uc2dc\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T0 &#8211; T1<\/strong>&nbsp;: A\uc758 address phase\uac00 slave\ub85c \uc798 \uc804\ub2ec\ub428 (HREADYOUT 1, HRESP 0 &#8211; Successful transfer completed)<\/li>\n\n\n\n<li><strong>T1 &#8211; T2<\/strong>&nbsp;: Slave\uac00 wait \uc0c1\ud0dc\ub97c \ubcf4\ub0c4 (0,0 &#8211; Transfer pending)<\/li>\n\n\n\n<li><strong>T2 &#8211; T3<\/strong>&nbsp;: Slave\uac00 ERROR signal\uc744 \ubcf4\ub0c4 (0,1 &#8211; ERROR response,&nbsp;first cycle)<\/li>\n\n\n\n<li><strong>T3 &#8211; T4<\/strong>&nbsp;: Slave\uac00 wait \uc0c1\ud0dc\ub97c \ub05d\ub0b4\uace0 transfer \uc9c4\ud589\ud560 \uc900\ube44\uac00 \ub428 (1,1 &#8211; ERROR response,&nbsp;second cycle)<\/li>\n\n\n\n<li><strong>T4 &#8211; T5<\/strong>&nbsp;: Slave\uac00 OKAY signal\uc744 \ubcf4\ub0c4 (1,0 &#8211; Successful transfer completed)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Slave\ub294 ERROR signal\uc744 \ub450 \ubc88 \ubcf4\ub0c4\uc73c\ub85c\uc368 \ubc84\uc2a4\uc5d0 \uc774\ubbf8 \uc2e4\ub9b0 Address\ub97c \ucde8\uc18c\ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Arbitration<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">AHB bus\uc5d0 \ub300\ud55c \uae00\uc740 \uc911\uc7ac(Arbitration)\uc5d0 \ub300\ud55c \uc124\uba85\uc73c\ub85c \ub9c8\ubb34\ub9ac\ud558\uba74 \ub420 \uac83 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image304_4d3348-ce.kb-image-is-ratio-size, .kb-image304_4d3348-ce .kb-image-is-ratio-size{max-width:700px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_4d3348-ce.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_4d3348-ce .kb-image-is-ratio-size{align-self:unset;}.kb-image304_4d3348-ce figure{max-width:700px;}.kb-image304_4d3348-ce .image-is-svg, .kb-image304_4d3348-ce .image-is-svg img{width:100%;}.kb-image304_4d3348-ce .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_4d3348-ce img.kb-img, .kb-image304_4d3348-ce .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_4d3348-ce.kb-image-is-ratio-size, .kb-image304_4d3348-ce .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_4d3348-ce figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_4d3348-ce\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/Geysv\/btskY9ipUZF\/s7lYddxpeke09hyKkAlIpK\/img.png\" alt=\"Arbitration block diagram\" class=\"kb-img\"\/><figcaption>Arbitration block diagram<\/figcaption><\/figure><\/div>\n\n\n<style>.kb-image304_9ace12-34.kb-image-is-ratio-size, .kb-image304_9ace12-34 .kb-image-is-ratio-size{max-width:700px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_9ace12-34.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_9ace12-34 .kb-image-is-ratio-size{align-self:unset;}.kb-image304_9ace12-34 figure{max-width:700px;}.kb-image304_9ace12-34 .image-is-svg, .kb-image304_9ace12-34 .image-is-svg img{width:100%;}.kb-image304_9ace12-34 .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_9ace12-34 img.kb-img, .kb-image304_9ace12-34 .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_9ace12-34.kb-image-is-ratio-size, .kb-image304_9ace12-34 .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_9ace12-34 figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_9ace12-34\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/sW2Np\/btskZtt9nkz\/EWgHBAM2l9VoYkBDw50LFk\/img.png\" alt=\"Arbitration signals\" class=\"kb-img\"\/><figcaption>Arbitration signals 1<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>HBUSREQ<\/strong>:&nbsp;Master\uac00&nbsp;Arbiter\uc5d0\uac8c&nbsp;bus\ub97c&nbsp;\uc0ac\uc6a9\ud558\uace0&nbsp;\uc2f6\ub2e4\uace0&nbsp;\uc694\uccad\ud558\ub294&nbsp;\uc2e0\ud638\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>HLOCK<\/strong>:&nbsp;Master\uac00&nbsp;bus\ub97c&nbsp;\uacc4\uc18d&nbsp;\uc0ac\uc6a9\ud558\uace0&nbsp;\uc788\uc73c\ub2c8&nbsp;\ub04a\uc9c0&nbsp;\ub9d0\uc544\ub2ec\ub77c\uace0&nbsp;Arbiter\uc5d0\uac8c&nbsp;\uc694\uccad\ud558\ub294&nbsp;\uc2e0\ud638\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>HGRANT<\/strong>:&nbsp;Arbiter\uac00&nbsp;\uac00\uc7a5&nbsp;\ub192\uc740&nbsp;\uc6b0\uc120\uc21c\uc704\ub97c&nbsp;\uac00\uc9c4&nbsp;Master\uc5d0\uac8c&nbsp;High\ub97c&nbsp;\ub744\uc6cc\uc90d\ub2c8\ub2e4.<\/p>\n\n\n<style>.kb-image304_75395b-0f.kb-image-is-ratio-size, .kb-image304_75395b-0f .kb-image-is-ratio-size{max-width:700px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_75395b-0f.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image304_75395b-0f .kb-image-is-ratio-size{align-self:unset;}.kb-image304_75395b-0f figure{max-width:700px;}.kb-image304_75395b-0f .image-is-svg, .kb-image304_75395b-0f .image-is-svg img{width:100%;}.kb-image304_75395b-0f .kb-image-has-overlay:after{opacity:0.3;}.kb-image304_75395b-0f img.kb-img, .kb-image304_75395b-0f .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}@media all and (max-width: 767px){.kb-image304_75395b-0f.kb-image-is-ratio-size, .kb-image304_75395b-0f .kb-image-is-ratio-size{max-width:250px;width:100%;}.kb-image304_75395b-0f figure{max-width:250px;}}<\/style>\n<div class=\"wp-block-kadence-image kb-image304_75395b-0f\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.kakaocdn.net\/dn\/zUEU1\/btskZYmR3hd\/E8PD0WakYFQB4yImHzGkOK\/img.png\" alt=\"Arbitration signals 2\" class=\"kb-img\"\/><figcaption>Arbitration signals 2<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>HMASTER<\/strong>: \ud604\uc7ac bus\ub97c \uc0ac\uc6a9\uc911\uc778 Master\ub97c \ud45c\uc2dc\ud574\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>HMASTLOCK<\/strong>: \ud604\uc7ac Master\uac00 locked sequence\ub97c \uc218\ud589\uc911\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>HSPLIT<\/strong>: Slave\uac00 \ub2e4\uc2dc split transaction\uc744 \ud560 \uc218 \uc788\ub2e4\uace0 \uc54c\ub824\uc90d\ub2c8\ub2e4.<\/p>\n\n\n<style>.kadence-column304_8a536a-ad > .kt-inside-inner-col{box-shadow:inset 0px 0px 14px 0px rgba(0, 0, 0, 0.2);}.kadence-column304_8a536a-ad > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column304_8a536a-ad > .kt-inside-inner-col{flex-direction:column;}.kadence-column304_8a536a-ad > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column304_8a536a-ad > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column304_8a536a-ad{position:relative;}@media all and (max-width: 1024px){.kadence-column304_8a536a-ad > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column304_8a536a-ad > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column304_8a536a-ad\"><div class=\"kt-inside-inner-col\">\n<p class=\"wp-block-paragraph\"><strong>\uad00\ub828 \uae00<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705<a href=\"https:\/\/rtlearner.com\/amba-apb-bus\/\">AMBA \u2013 1 APB overview<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705<a href=\"https:\/\/rtlearner.com\/amba-axi-bus\/\">AMBA \u2013 3 AXI overview<\/a><\/p>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\ucc38\uace0: <a href=\"https:\/\/developer.arm.com\/documentation\/ihi0033\/latest\/\" target=\"_blank\" rel=\"noopener\">ARM\u00ae AMBA 5 AHB Protocol Specification<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>While the APB bus prioritized optimization over performance, as it was intended for modules that didn't require high performance, such as peripherals, the AHB (Advanced High-performance Bus) is a bus focused more on performance. Consequently, it has more signals and its actual operation is more complex.<\/p>","protected":false},"author":1,"featured_media":307,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[2],"tags":[24,25],"class_list":["post-304","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rtl-engineer","tag-amba","tag-bus"],"_links":{"self":[{"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/posts\/304","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/comments?post=304"}],"version-history":[{"count":25,"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/posts\/304\/revisions"}],"predecessor-version":[{"id":923,"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/posts\/304\/revisions\/923"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/media\/307"}],"wp:attachment":[{"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/media?parent=304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/categories?post=304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rtlearner.com\/en\/wp-json\/wp\/v2\/tags?post=304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}