{"id":43640,"date":"2025-08-07T08:06:05","date_gmt":"2025-08-07T08:06:05","guid":{"rendered":"https:\/\/rjydisplay.com\/?p=43640"},"modified":"2026-01-30T01:57:52","modified_gmt":"2026-01-30T01:57:52","slug":"how-to-power-a-tft-lcd-display","status":"publish","type":"post","link":"https:\/\/rjydisplay.com\/ko\/how-to-power-a-tft-lcd-display\/","title":{"rendered":"TFT LCD \ub514\uc2a4\ud50c\ub808\uc774\uc5d0 \uc804\uc6d0\uc744 \uacf5\uae09\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\uc784\ubca0\ub514\ub4dc \uc2dc\uc2a4\ud15c \ubc0f \ub9de\ucda4\ud615 \ud558\ub4dc\uc6e8\uc5b4\uc5d0\uc11c \ub514\uc2a4\ud50c\ub808\uc774\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc804\uc6d0 \ud2b8\ub9ac\uc5d0\uc11c \uac00\uc7a5 \ubbfc\uac10\ud55c \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. \ubc15\ub9c9 \ud2b8\ub79c\uc9c0\uc2a4\ud130(TFT) \uc561\uc815 \ub514\uc2a4\ud50c\ub808\uc774\ub97c \uad6c\ub3d9\ud558\ub294 \uac83\uc740 \ub2e8\uc21c\ud788 \ubc30\ud130\ub9ac\ub97c VCC \ud540\uc5d0 \uc5f0\uacb0\ud558\ub294 \uac83 \uc774\uc0c1\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4. \ub17c\ub9ac \uac8c\uc774\ud2b8, LED \uc2a4\ud2b8\ub9c1 \ubc0f \uc561\uc815 \ubc14\uc774\uc5b4\uc2a4 \ub808\uc77c \uc0ac\uc774\uc5d0\ub294 \uc5ec\ub7ec \uc804\uc6d0 \ub3c4\uba54\uc778\uc774 \uc874\uc7ac\ud558\uba70, \uac01\uac01 \ud2b9\uc815 \uc804\uc555\uacfc \uc5c4\uaca9\ud55c \ud0c0\uc774\ubc0d \uc2dc\ud000\uc2a4\ub97c \ud544\uc694\ub85c \ud569\ub2c8\ub2e4.<br>\uc774\ub7ec\ud55c \ub9e4\uac1c\ubcc0\uc218\ub97c \uc900\uc218\ud558\uc9c0 \uc54a\uc73c\uba74 \u201c\uace0\uc2a4\ud305\u201d, \uae5c\ube61\uc784 \ub610\ub294 \uc2e4\ub9ac\ucf58 \ubc31\ud50c\ub808\uc778\uc758 \uc601\uad6c\uc801\uc778 \u201c\uac8c\uc774\ud2b8 \ub77d\uc5c5\u201d \uc190\uc0c1\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub514\uc2a4\ud50c\ub808\uc774\uc5d0 \uc62c\ubc14\ub974\uac8c \uc804\uc6d0\uc744 \uacf5\uae09\ud558\ub294 \ubc29\ubc95\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \uc5d4\uc9c0\ub2c8\uc5b4\uc640 \uc601\uc5c5 \ub2f4\ub2f9\uc790 \ubaa8\ub450\uc5d0\uac8c \ud544\uc218\uc801\uc778 \uacfc\uc81c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-understanding-the-power-domains-of-a-tft-lcd\">1. \uc804\uc6d0 \ub3c4\uba54\uc778 \ud574\uccb4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud604\ub300\uc801\uc778 TFT \ubaa8\ub4c8\uc740 \uae30\ubcf8\uc801\uc73c\ub85c \ud558\ub098\uc758 \uc720\ub9ac\ud310\uc744 \uacf5\uc720\ud558\ub294 \uc138 \uac00\uc9c0 \ub2e4\ub978 \uc7a5\uce58\uc785\ub2c8\ub2e4. \uac01\uac01 \uace0\uc720\ud55c \uc804\uae30\uc801 \ud2b9\uc131\uc744 \uac00\uc9d1\ub2c8\ub2e4:<\/p>\n\n\n\n<h3 id=\"a-logic-powervccvdd\" class=\"wp-block-heading\">A. \ub17c\ub9ac \uc804\uc6d0(VCC\/VDD)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc804\uc555:<\/strong> \uc77c\ubc18\uc801\uc73c\ub85c <strong>3.3V<\/strong>. \uc77c\ubd80 \uad6c\ud615 5V \ubaa8\ub4c8\uc774 \uc874\uc7ac\ud558\uc9c0\ub9cc, \uc5c5\uacc4\ub294 \ud604\ub300 MCU(ESP32, STM32, ARM)\uc640 \ud638\ud658\ub418\ub3c4\ub85d 3.3V\ub85c \ud45c\uc900\ud654\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uae30\ub2a5:<\/strong> \ub0b4\ubd80 \ucee8\ud2b8\ub864\ub7ec(\uc608: ILI9341, ST7789) \ubc0f \ub370\uc774\ud130 \uc778\ud130\ud398\uc774\uc2a4(SPI\/\ubcd1\ub82c\/RGB)\uc5d0 \uc804\uc6d0\uc744 \uacf5\uae09\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc911\uc694 \ucc38\uace0\uc0ac\ud56d:<\/strong> MCU\uac00 5V \ub17c\ub9ac\ub85c \uc791\ub3d9\ud558\uc9c0\ub9cc TFT\uac00 3.3V \uc7a5\uce58\uc778 \uacbd\uc6b0, \ub514\uc2a4\ud50c\ub808\uc774\uc758 CMOS \uc785\ub825\uc5d0 \uacfc\uc804\uc555\uc774 \uac00\ud574\uc9c0\ub294 \uac83\uc744 \ud53c\ud558\uae30 \uc704\ud574 <strong>\ubc18\ub4dc\uc2dc<\/strong> \uace0\uc18d \ub808\ubca8 \uc2dc\ud504\ud130(74LVC245\uc640 \uac19\uc740)\ub97c \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"b-the-backlight-vbl\" class=\"wp-block-heading\">B. \ubc31\ub77c\uc774\ud2b8(VBL)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ud2b9\uc131:<\/strong> \uc77c\ubc18\uc801\uc73c\ub85c \ubc31\uc0c9 LED \ubc30\uc5f4\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc694\uad6c\uc0ac\ud56d:<\/strong> LED\ub294 \uc804\ub958 \uad6c\ub3d9 \uc7a5\uce58\uc785\ub2c8\ub2e4. \uc18c\ud615 \ub514\uc2a4\ud50c\ub808\uc774\ub294 LED\ub97c \ubcd1\ub82c\ub85c \ubc30\uce58\ud560 \uc218 \uc788\uc73c\uba70(3.3V @ 60mA \ud544\uc694), \ub300\ud615 \ub610\ub294 \uc0b0\uc5c5\uc6a9 \ub514\uc2a4\ud50c\ub808\uc774\ub294 \uc9c1\ub82c\ub85c \ubc30\uce58\ud569\ub2c8\ub2e4( <strong>12V\u201324V<\/strong> @ 20mA \ud544\uc694).<\/li>\n\n\n\n<li><strong>\uc81c\uc5b4:<\/strong> \ubc31\ub77c\uc774\ud2b8\ub97c GPIO\uc5d0\uc11c \uc9c1\uc811 \uad6c\ub3d9\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc804\uc6a9 <strong>\uc815\uc804\ub958 LED \ub4dc\ub77c\uc774\ubc84<\/strong> \ub610\ub294 MOSFET \uc2a4\uc704\uce58 PWM \ud68c\ub85c\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"c-bias-rails-avdd-vgh-vgl-vcom\" class=\"wp-block-heading\">C. \ubc14\uc774\uc5b4\uc2a4 \ub808\uc77c(AVDD, VGH, VGL, VCOM)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uace0\uae09 \ud328\ub110:<\/strong> \uc0b0\uc5c5\uc6a9 \ubc0f \uace0\ud574\uc0c1\ub3c4 \ud328\ub110\uc740 \uc561\uc815\uc744 \ud68c\uc804\uc2dc\ud0a4\uae30 \uc704\ud574 \ud2b9\uc815 \uc804\uc555\uc744 \ud544\uc694\ub85c \ud569\ub2c8\ub2e4.\n<ul class=\"wp-block-list\">\n<li><strong>VGH:<\/strong> ~+15V ~ +20V<\/li>\n\n\n\n<li><strong>VGL:<\/strong> ~-7V ~ -10V<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\uc0dd\uc131:<\/strong> \ub300\ubd80\ubd84\uc758 \ud638\ube44\uc2a4\ud2b8\uc6a9 \ubaa8\ub4c8\uc740 \ud50c\ub809\uc2a4 \ucf00\uc774\ube14\uc5d0 \u201c\ucc28\uc9c0 \ud38c\ud504\u201d \ud68c\ub85c\ub97c \ud1b5\ud569\ud558\uc5ec 3.3V \ub808\uc77c\uc5d0\uc11c \uc774\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ubca0\uc5b4 \uc0b0\uc5c5\uc6a9 \ud328\ub110\uc740 \uc678\ubd80 PMIC(\uc608: <strong>TPS65150<\/strong>).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"2-power-sequencing-the-golden-rule\" class=\"wp-block-heading\">2. \uc804\uc6d0 \uc2dc\ud000\uc2f1: \ud669\uae08 \ubc95\uce59<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc561\uc815\uc740 DC \ud3b8\ud5a5\uc5d0 \ucde8\uc57d\ud569\ub2c8\ub2e4. \ub17c\ub9ac\uac00 \uc548\uc815\ud654\ub418\uae30 \uc804\uc5d0 \ub370\uc774\ud130 \uc2e0\ud638\ub97c \uc778\uac00\ud558\uac70\ub098, \ub17c\ub9ac\uac00 \uc885\ub8cc\ub41c \ud6c4 \ubc14\uc774\uc5b4\uc2a4 \ub808\uc77c\uc744 \uacc4\uc18d \ucf1c\ub450\uba74 \uc601\uad6c\uc801\uc778 \u201c\ubc88\uc778\u201d \ud604\uc0c1\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud45c\uc900 \uc804\uc6d0 \ucf1c\uae30 \uc2dc\ud000\uc2a4:<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>$V_{CC}$ (\ub17c\ub9ac):<\/strong> \ucf1c\uace0 \uc548\uc815\ud654\ub420 \ub54c\uae4c\uc9c0 \ub300\uae30(\uc77c\ubc18\uc801\uc73c\ub85c 10ms\u201350ms).<\/li>\n\n\n\n<li><strong>\ub9ac\uc14b:<\/strong> RST <code>\ud540\uc744 \ud558\uc774\ub85c \ud480\uc5c5.<\/code> \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ucd08\uae30\ud654:.<\/li>\n\n\n\n<li><strong>SPI\/\ubcd1\ub82c\uc744 \ud1b5\ud574 \"Wake Up\" \ubc0f \"Display On\" \uba85\ub839 \uc804\uc1a1.<\/strong> \ubc31\ub77c\uc774\ud2b8\ub294.<\/li>\n\n\n\n<li><strong>\ubc31\ub77c\uc774\ud2b8:<\/strong> \ub9c8\uc9c0\ub9c9\uc5d0 <strong>\ud65c\uc131\ud654. \uc774\ub294 \ubd80\ud305 \ub2e8\uacc4\uc5d0\uc11c \uc0ac\uc6a9\uc790\uac00 \"\uc4f0\ub808\uae30 \ub370\uc774\ud130\"\ub098 \uae5c\ube61\uc784\uc744 \ubcf4\ub294 \uac83\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/strong>. \uc885\ub8cc \uc2dc\ud000\uc2a4:.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc21c\uc11c\ub97c \ubc18\ub300\ub85c \uc9c4\ud589. \uba3c\uc800 \ubc31\ub77c\uc774\ud2b8\ub97c \ub044\uace0, \"Sleep\" \uba85\ub839\uc744 \uc804\uc1a1\ud55c \ud6c4 VCC\ub97c \ucc28\ub2e8\ud569\ub2c8\ub2e4.<\/strong> 3. \uc2e4\uc81c \uad6c\ud604 \uc2dc\ub098\ub9ac\uc624.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"3-practical-implementation-scenarios\" class=\"wp-block-heading\">\uc2dc\ub098\ub9ac\uc624 A: \ud504\ub85c\ud1a0\ud0c0\uc774\ud551 \uc124\uc815(ESP32\/Arduino)<\/h2>\n\n\n\n<h3 id=\"scenario-a-the-prototyping-setup-esp32arduino\" class=\"wp-block-heading\">\ud45c\uc900 2.8\" SPI \ub514\uc2a4\ud50c\ub808\uc774\uc758 \uacbd\uc6b0, \ub17c\ub9ac \uc804\uc6d0\uc740 MCU\uc758 3.3V \ub808\uade4\ub808\uc774\ud130\uc5d0\uc11c \uacf5\uae09\ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ubc31\ub77c\uc774\ud2b8\ub294 \ubc1d\uae30 \uc81c\uc5b4\ub97c \uc704\ud574 PWM \uac00\ub2a5 \ud540\uc5d0 \uc5f0\uacb0\ub41c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">BJT \ub610\ub294 MOSFET <strong>(2N7002\uc640 \uac19\uc740)\uc744 \ud1b5\ud574 \uc804\uc6d0\uc744 \uacf5\uae09\ubc1b\uc544\uc57c \ud569\ub2c8\ub2e4.<\/strong> \uacbd\uace0:.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>100mA \ubc31\ub77c\uc774\ud2b8\ub97c MCU \ud540\uc5d0\uc11c \uc9c1\uc811 \uad6c\ub3d9\ud558\ub824\uace0 \uc2dc\ub3c4\ud558\uba74 \uacb0\uad6d \ud504\ub85c\uc138\uc11c\uc758 \uc804\uc555\uc774 \ubd88\uc548\uc815\ud574\uc9c0\uac70\ub098 GPIO\uac00 \uc190\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/strong> \uc2dc\ub098\ub9ac\uc624 B: \ubc30\ud130\ub9ac \uad6c\ub3d9 \uc6e8\uc5b4\ub7ec\ube14.<\/p>\n<\/blockquote>\n\n\n\n<h3 id=\"scenario-b-batterypowered-wearables\" class=\"wp-block-heading\">\ub9ac\ud2ac \ud3f4\ub9ac\uba38 \ubc30\ud130\ub9ac(3.7V\u20134.2V)\ub85c \uc791\ub3d9\ud560 \ub54c\ub294 \ub450 \uac00\uc9c0 \uacbd\ub85c\uac00 \ud544\uc694\ud569\ub2c8\ub2e4:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\ud15d\ub2e4\uc6b4(\ubc85):<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\ubc30\ud130\ub9ac \uc804\uc555\uc744 \uc548\uc815\uc801\uc778 3.3V\ub85c \ub0ae\ucd94\uae30 \uc704\ud55c \uace0\ud6a8\uc728 \ub808\uade4\ub808\uc774\ud130(\ub17c\ub9ac \uc804\uc6d0\uc6a9).<\/strong> \uc2a4\ud15d\uc5c5(\ubd80\uc2a4\ud2b8):.<\/li>\n\n\n\n<li><strong>Step-Up (Boost):<\/strong> \uc9c1\ub82c \uc5f0\uacb0\ub41c \ubc31\ub77c\uc774\ud2b8 LED\uc5d0 \ud544\uc694\ud55c ~12V\u201319V\ub97c \uc0dd\uc131\ud558\uae30 \uc704\ud55c \ubd80\uc2a4\ud2b8 \ucee8\ubc84\ud130.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"4-hardware-integrity-best-practices\" class=\"wp-block-heading\">4. \ud558\ub4dc\uc6e8\uc5b4 \ubb34\uacb0\uc131 \ubaa8\ubc94 \uc0ac\ub840<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ub514\ucee4\ud50c\ub9c1:<\/strong> \ub514\uc2a4\ud50c\ub808\uc774\uc758 $V_{CC}$ \ud540\uc5d0 \ucd5c\ub300\ud55c \uac00\uae5d\uac8c <strong>10\u00b5F \ud0c4\ud0c8\ub968 \ucee4\ud328\uc2dc\ud130<\/strong> \uc640 <strong>0.1\u00b5F \uc138\ub77c\ubbf9 \ucee4\ud328\uc2dc\ud130<\/strong> \ub97c \ubc30\uce58\ud558\uc2ed\uc2dc\uc624. \uc774\ub294 TFT \ub0b4\ubd80 \uc804\ud558 \ud38c\ud504\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc2a4\uc704\uce6d \ub178\uc774\uc988\ub97c \uc5b5\uc81c\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc811\uc9c0\uba74:<\/strong> \u201c\ub354\ud2f0 \uadf8\ub77c\uc6b4\ub4dc\u201d(\ubc31\ub77c\uc774\ud2b8 PWM \uc2a4\uc704\uce6d)\uc640 \u201c\ud074\ub9b0 \uadf8\ub77c\uc6b4\ub4dc\u201d(SPI\/I2C \ub17c\ub9ac)\ub97c \ubd84\ub9ac\ud558\uc2ed\uc2dc\uc624. \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 \uadfc\ucc98\uc758 \ub2e8\uc77c \uc9c0\uc810(\uc2a4\ud0c0 \uadf8\ub77c\uc6b4\ub4dc)\uc5d0\uc11c \uc5f0\uacb0\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li><strong>EMI \uc644\ud654:<\/strong> \uae34 \ub9ac\ubcf8 \ucf00\uc774\ube14(FPC)\uc758 \uacbd\uc6b0 \ub370\uc774\ud130 \ub77c\uc778\uc5d0 10\u201350\u03a9 \uc9c1\ub82c \uc800\ud56d\uc744 \ucd94\uac00\ud558\uc5ec \uc2e0\ud638 \ubc18\uc0ac\uc640 EMI\ub97c \uac10\uc1e0\uc2dc\ud0a4\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"frequently-asked-questions\" class=\"wp-block-heading\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: \uc804\uc6d0\uc774 \uacf5\uae09\ub418\ub294\ub370\ub3c4 TFT \ud654\uba74\uc774 \ud558\uc597\uac8c \ubcf4\uc774\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A:<\/strong> \u201c\ud654\uc774\ud2b8 \uc2a4\ud06c\ub9b0\u201d\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ubc31\ub77c\uc774\ud2b8\ub294 \ucf1c\uc838 \uc788\uc9c0\ub9cc \ub17c\ub9ac\uac00 \ucd08\uae30\ud654\ub418\uc9c0 \uc54a\uc558\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. $V_{CC}$ \ub808\ubca8\uc744 \ud655\uc778\ud558\uace0 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ub9ac\uc14b \uc2dc\ud000\uc2a4\uac00 \ub370\uc774\ud130\uc2dc\ud2b8\uc640 \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: \ubc31\ub77c\uc774\ud2b8\uc5d0 \uc804\ub958 \uc81c\ud55c \uc800\ud56d\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A:<\/strong> \uc18c\ud615 \ub514\uc2a4\ud50c\ub808\uc774(2.4\uc778\uce58 \ubbf8\ub9cc)\uc758 \uacbd\uc6b0 3.3V \uc804\uc6d0\uc5d0 \uc18c\ud615 \uc800\ud56d(\uc608: 10\u201322\u03a9)\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ubcf4\ub2e4 \ud070 \ub514\uc2a4\ud50c\ub808\uc774\uc758 \uacbd\uc6b0 LED\uac00 \uac00\uc5f4\ub428\uc5d0 \ub530\ub77c \uc5f4 \ud3ed\uc8fc\uc640 \ubc1d\uae30 \ubcc0\ub3d9\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc815\uc804\ub958 \ub4dc\ub77c\uc774\ubc84\ub97c \ubc18\ub4dc\uc2dc \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: SD \uce74\ub4dc\ub97c \uc77d\uc744 \ub54c \ub514\uc2a4\ud50c\ub808\uc774\uac00 \uae5c\ube61\uc785\ub2c8\ub2e4. \uc65c \uadf8\ub7f0\uac00\uc694?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A:<\/strong> \ubc31\ub77c\uc774\ud2b8\uc640 SD \uce74\ub4dc\ub294 \ubaa8\ub450 \u201c\ubc84\uc2a4\ud2b8\uc131\u201d \uc804\ub825 \uc18c\ube44\uc790\uc785\ub2c8\ub2e4. SD \uce74\ub4dc \uc77d\uae30 \uc911\uc5d0 3.3V \ub808\uc77c\uc774 \ud558\ub77d\ud560 \uac00\ub2a5\uc131\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc804\uc6d0 \ub808\uc77c\uc5d0 \ub354 \ud070 \ubc8c\ud06c \ucee4\ud328\uc2dc\ud130(100\u00b5F \uc774\uc0c1)\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 \ubcc4\ub3c4\uc758 \ub808\uade4\ub808\uc774\ud130\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 id=\"reference-resources\" class=\"wp-block-heading\">\ucc38\uc870 \ub9ac\uc18c\uc2a4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub274\ud5e4\uc774\ube10 \ub514\uc2a4\ud50c\ub808\uc774:<\/strong> <a href=\"https:\/\/www.newhavendisplay.com\/\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">TFT LCD \uc9c0\uc6d0 \ubc0f \uc9c0\uc2dd \ubca0\uc774\uc2a4<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub514\uc2a4\ud50c\ub808\uc774\uba54\uc774\ud2b8:<\/strong> <a href=\"http:\/\/www.displaymate.com\/\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">\ub514\uc2a4\ud50c\ub808\uc774 \uae30\uc220 \ube44\uad50<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud14d\uc0ac\uc2a4 \uc778\uc2a4\ud2b8\ub8e8\uba3c\uce20:<\/strong> <a href=\"https:\/\/www.ti.com\/product\/TPS65150\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">TPS65150 \ub370\uc774\ud130\uc2dc\ud2b8 (TFT \uc804\uc6d0 \uc194\ub8e8\uc158)<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ST\ub9c8\uc774\ud06c\ub85c\uc77c\ub809\ud2b8\ub85c\ub2c9\uc2a4:<\/strong> <a href=\"https:\/\/www.st.com\/\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">AN4861: LCD-TFT \ub514\uc2a4\ud50c\ub808\uc774 \ucee8\ud2b8\ub864\ub7ec \uc751\uc6a9 \ub178\ud2b8<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>TFT LCD\uc5d0 \uc804\uc6d0\uc744 \uc62c\ubc14\ub974\uac8c \uacf5\uae09\ud558\ub294 \uac83\uc740 \ub2e8\uc21c\ud788 \ubc30\ud130\ub9ac\uc5d0 \uc5f0\uacb0\ud558\ub294 \uac83 \uc774\uc0c1\uc785\ub2c8\ub2e4. \ub17c\ub9ac \ud68c\ub85c, \ubc31\ub77c\uc774\ud2b8, \ub54c\ub85c\ub294 \ud130\uce58 \uc13c\uc11c \uc0ac\uc774\uc5d0\ub294 \ucda9\uc871\ud574\uc57c \ud560 \uc5ec\ub7ec \uc804\uc555 \ub808\uc77c\uacfc \uc21c\ucc28 \uc694\uad6c \uc0ac\ud56d\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \uc798\ubabb \ucc98\ub9ac\ud558\uba74 \ud654\uba74 \uae5c\ube61\uc784, \uc798\ubabb\ub41c \uc0c9\uc0c1 \ud45c\uc2dc, \uc2ec\uc9c0\uc5b4 \ub514\uc2a4\ud50c\ub808\uc774 \uc190\uc0c1\uae4c\uc9c0 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubcf8 \uac00\uc774\ub4dc\ub294 \ucd94\uce21 \uc5c6\uc774 \uba85\ud655\ud558\uac8c \ud575\uc2ec \uc0ac\ud56d\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>","protected":false},"author":2,"featured_media":43642,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[438],"tags":[],"class_list":["post-43640","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/rjydisplay.com\/ko\/wp-json\/wp\/v2\/posts\/43640","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rjydisplay.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rjydisplay.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rjydisplay.com\/ko\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rjydisplay.com\/ko\/wp-json\/wp\/v2\/comments?post=43640"}],"version-history":[{"count":5,"href":"https:\/\/rjydisplay.com\/ko\/wp-json\/wp\/v2\/posts\/43640\/revisions"}],"predecessor-version":[{"id":45202,"href":"https:\/\/rjydisplay.com\/ko\/wp-json\/wp\/v2\/posts\/43640\/revisions\/45202"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rjydisplay.com\/ko\/wp-json\/wp\/v2\/media\/43642"}],"wp:attachment":[{"href":"https:\/\/rjydisplay.com\/ko\/wp-json\/wp\/v2\/media?parent=43640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rjydisplay.com\/ko\/wp-json\/wp\/v2\/categories?post=43640"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rjydisplay.com\/ko\/wp-json\/wp\/v2\/tags?post=43640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}