{"id":4641,"date":"2022-11-09T15:25:48","date_gmt":"2022-11-09T06:25:48","guid":{"rendered":"https:\/\/k-rnd.com\/?p=4641"},"modified":"2022-11-09T15:26:18","modified_gmt":"2022-11-09T06:26:18","slug":"%ec%a0%84%ec%9d%b4%ec%a4%91-%ed%86%b5%ec%8b%a0-spi-%ed%86%b5%ec%8b%a0%ec%9d%b4%eb%9e%80","status":"publish","type":"post","link":"https:\/\/k-rnd.com\/%ec%a0%84%ec%9d%b4%ec%a4%91-%ed%86%b5%ec%8b%a0-spi-%ed%86%b5%ec%8b%a0%ec%9d%b4%eb%9e%80\/","title":{"rendered":"\uc804\uc774\uc911 \ud1b5\uc2e0, SPI \ud1b5\uc2e0\uc774\ub780?"},"content":{"rendered":"\n

\uc548\ub155\ud558\uc138\uc694, \uc8fc\uc2dd\ud68c\uc0ac <\/a>#\ud55c\uad6d\uc804\uc790\uae30\uc220<\/a> \uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\u200b<\/p>\n\n\n\n

\uc81c\uc5b4\uae30 \uc548\uc5d0\ub294 IC(Integrated Chip)\ub77c\ub294 \uce69\ub4e4\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uadf8 \uce69\ub07c\ub9ac \uc815\ubcf4\ub97c \uc804\ub2ec\ubc1b\uae30 \uc704\ud55c \ud1b5\uc2e0 \ubc29\uc2dd\uc73c\ub85c\ub294 \ud06c\uac8c SPI\uc640 I2C \ubc29\uc2dd\uc73c\ub85c \ub098\ub204\uc5b4\uc9c0\ub294\ub370 \uc774 \uc911 SPI \ud1b5\uc2e0\uc774\ub780 \uc591\ubc29\ud5a5\uc131\uc744 \uac00\uc9c0\ub294 \ud1b5\uc2e0\ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\u3000<\/p>\n\n\n\n

<\/p>\n\n\n\n

\n

SPI \ud1b5\uc2e0\uc774\ub780?<\/p>\nSPI(Serial Peripheral Interface)<\/cite><\/blockquote>\n\n\n\n

\u3000<\/p>\n\n\n\n

#SPI\ud1b5\uc2e0<\/a> \uc774\ub780 1:N\ub85c \ud1b5\uc2e0\ud560 \uc218 \uc788\ub294 \ub3d9\uae30\uc2dd \ud1b5\uc2e0 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\u200b<\/p>\n\n\n\n

\ud1b5\uc2e0\ubc29\uc2dd\uc740 \ud06c\uac8c SPI\uc640 I2C\uac00 \uc788\ub2e4\uace0 \ub9d0\uc500\ub4dc\ub838\ub294\ub370, \uc774 \ub450\uac00\uc9c0 \ubc29\ubc95\uc758 \uac00\uc7a5 \ud070 \ucc28\uc774\uc810\uc740 I2C\uc758 \uacbd\uc6b0 \ud55c\ucabd\uc5d0\uc11c \uc815\ubcf4\ub97c \ubcf4\ub0b4\uace0 \uc788\uc744 \ub54c \ub2e4\ub978 \ucabd\uc5d0\uc11c\ub294 \uc218\uc2e0\ub9cc \uac00\ub2a5\ud558\uace0 SPI \ud1b5\uc2e0\uc740 \ud55c\ucabd\uc5d0\uc11c \uc815\ubcf4\ub97c \uc804\uc1a1\uc911\uc774\ub354\ub77c\ub3c4 \ub2e4\ub978\ucabd\uc5d0\uc11c\ub3c4 \uc815\ubcf4\ub97c \ubcf4\ub0bc \uc218 \uc788\ub2e4\ub294 \uc810\uc774 \uac00\uc7a5 \ud070 \ucc28\uc774\uc810\uc774 \uc544\ub2d0\uae4c \uc2f6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub2e8, \uc591\ubc29\ud5a5\uc5d0\uc11c \ub3d9\uc2dc\uc5d0 \uc815\ubcf4\ub97c \ubcf4\ub0b4\ub824\uba74 \ubcc4\ub3c4\uc758 \ud1b5\uc2e0\uc120\uc744 \ud1b5\ud574 \ub3d9\uc791\ud574\uc57c\ud558\uae30 \ub54c\ubb38\uc5d0 SPI \ud1b5\uc2e0\uc5d0\uc11c\ub294 \ucd1d 4\uac1c\uc758 \uc120\uc744 \uc0ac\uc6a9\ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

SCK \/ MOSI \/ MISO \/ SS \ucd5c\uc18c \ubcf8 \ub124 \uac1c\uc758 \uc120\uc774 \ud544\uc694\ud55c\ub370, \ud558\ub098\uc529 \uc0b4\ud3b4\ubcf4\uba74 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\u200b<\/p>\n\n\n\n

SCK<\/strong> : Clock \uc2e0\ud638 \uc120<\/p>\n\n\n\n

MOSI<\/strong> : Master Out Slave In\uc73c\ub85c \ub9c8\uc2a4\ud130\uc5d0\uc11c \ucd9c\ub825, \uc2ac\ub808\uc774\ube0c\uc5d0\uc11c \uc1a1\uc2e0\ubc1b\ub294 \uc2e0\ud638 \uc120<\/p>\n\n\n\n

MISO<\/strong> : Master In Slave Out\uc73c\ub85c \ub9c8\uc2a4\ud130\ub85c \ub4e4\uc5b4\uc624\uace0 \uc2ac\ub808\uc774\ube0c\uc5d0\uc11c \ub370\uc774\ud130\uac00 \ub098\uac00\ub294 \uc2e0\ud638 \uc120<\/p>\n\n\n\n

SS <\/strong>: Slave select\ub85c, \uc2ac\ub808\uc774\ube0c\ub97c \uc120\ud0dd\ud558\ub294 \uc120<\/p>\n\n\n\n

\u200b<\/p>\n\n\n\n

SS \uc120\uc740 \uac04\ud639 CS(Chip Select)\ub85c \ud45c\uc2dc\ub41c \uac83\uc774 \uc788\uc73c\ub2c8 \uc8fc\uc758\ud558\uc2dc\uace0 MOSI\uc640 MISO\ub294 \ubc18\ub300\ubc29\ud5a5\uc73c\ub85c \uc804\uc1a1\ub41c\ub2e4\ub294 \uac83\uc744 \ud655\uc778\ud574\uc8fc\uc138\uc694.<\/p>\n\n\n\n

\u200b<\/p>\n\n\n\n

\uc120\uc744 \uc0b4\ud3b4\ubcf4\uba74 Master\uc640 Slave\uac00 \ubc18\ubcf5\uc801\uc73c\ub85c \ubcf4\uc785\ub2c8\ub2e4. <\/p>\n\n\n\n

\ub9c8\uc2a4\ud130\ub780, \uc1a1\uc218\uc2e0\uc744 \uacb0\uc815\uc9d3\ub294 \uc7a5\uce58\ub85c MCU \ub4f1\uc774 \ud574\ub2f9\ub429\ub2c8\ub2e4. \ubc18\ub300\ub85c \uc2ac\ub808\uc774\ube0c\ub294 EEPROM\uc774\ub098 SD \uce74\ub4dc \ub4f1\uc774 \ud574\ub2f9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9c8\uc2a4\ud130\ub294 \uc5ec\ub7ec \uc2ac\ub808\uc774\ube0c\uc640 SS\ub97c \ud1b5\ud574 \uc5f0\uacb0\ud574 \uac01\uac01\uc758 \ud1b5\uc2e0\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\u3000<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\uadf8\ub9bc\uc744 \ubcf4\uc2dc\uba74 SCK \uc120\uc740 SCK\ub07c\ub9ac, MOSI\ub294 MOSI\ub07c\ub9ac, MISO\ub294 MISO\ub07c\ub9ac \uc5f0\uacb0\ub418\uc5b4\uc788\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub2e8 SS\ub294 \uc2ac\ub808\uc774\ube0c\ub97c \uc120\ud0dd\ud560 \uc218 \uc788\ub294 \uc2a4\uc704\uce58 \uc5ed\ud560\uc744 \ud558\uae30 \ub54c\ubb38\uc5d0 \ub9c8\uc2a4\ud130\uc758 SS\ub97c \uac01 \uc2ac\ub808\uc774\ube0c\uc640 \uc5f0\uacb0<\/strong>\ud558\uc5ec \uc704\ucabd \uc2ac\ub808\uc774\ube0c\uc640\uc758 \ud1b5\uc2e0 \uc5ec\ubd80, \uc544\ub798\ucabd \uc2ac\ub808\uc774\ube0c\uc640\uc758 \ud1b5\uc2e0\uc5ec\ubd80\ub97c \uacb0\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\u200b<\/p>\n\n\n\n

\u200b<\/p>\n\n\n\n

SPI \ud1b5\uc2e0\uc740 \ucd5c\ub300 Clock\uc5d0 \ub300\ud55c \uc81c\ud55c\uc774 \uc5c6\uc5b4 \uc18d\ub3c4\uac00 \ube60\ub974\uace0 \uc591\ubc29\ud5a5 \ud1b5\uc2e0\uc774 \uac00\ub2a5\ud558\ub2e4\ub294 \uc7a5\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4. I2C \ub300\ube44 \uc18c\ube44 \uc804\ub825\ub3c4 \ub0ae\uace0 \uc778\ud130\ud398\uc774\uc2a4 \ucc98\ub9ac \uacfc\uc815\uc774 \uac04\ub2e8\ud558\uc5ec \uc190\uc27d\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

\uc548\ub155\ud558\uc138\uc694, \uc8fc\uc2dd\ud68c\uc0ac #\ud55c\uad6d\uc804\uc790\uae30\uc220 \uc785\ub2c8\ub2e4. \u200b \uc81c\uc5b4\uae30 \uc548\uc5d0\ub294 IC(Integrated Chip)\ub77c\ub294 \uce69\ub4e4\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uadf8 \uce69\ub07c\ub9ac \uc815\ubcf4\ub97c \uc804\ub2ec\ubc1b\uae30 \uc704\ud55c \ud1b5\uc2e0 \ubc29\uc2dd\uc73c\ub85c\ub294 \ud06c\uac8c SPI\uc640 I2C \ubc29\uc2dd\uc73c\ub85c \ub098\ub204\uc5b4\uc9c0\ub294\ub370 \uc774 \uc911 SPI \ud1b5\uc2e0\uc774\ub780 \uc591\ubc29\ud5a5\uc131\uc744 \uac00\uc9c0\ub294 \ud1b5\uc2e0\ubc29\ubc95\uc785\ub2c8\ub2e4. \u3000 SPI \ud1b5\uc2e0\uc774\ub780? SPI(Serial Peripheral Interface) \u3000 #SPI\ud1b5\uc2e0 \uc774\ub780 1:N\ub85c \ud1b5\uc2e0\ud560 \uc218 \uc788\ub294 \ub3d9\uae30\uc2dd \ud1b5\uc2e0 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4. \u200b \ud1b5\uc2e0\ubc29\uc2dd\uc740 \ud06c\uac8c SPI\uc640 I2C\uac00 \uc788\ub2e4\uace0 \ub9d0\uc500\ub4dc\ub838\ub294\ub370, \uc774 \ub450\uac00\uc9c0 […]<\/p>\n","protected":false},"author":46,"featured_media":4643,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/k-rnd.com\/wp-json\/wp\/v2\/posts\/4641"}],"collection":[{"href":"https:\/\/k-rnd.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/k-rnd.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/k-rnd.com\/wp-json\/wp\/v2\/users\/46"}],"replies":[{"embeddable":true,"href":"https:\/\/k-rnd.com\/wp-json\/wp\/v2\/comments?post=4641"}],"version-history":[{"count":0,"href":"https:\/\/k-rnd.com\/wp-json\/wp\/v2\/posts\/4641\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/k-rnd.com\/wp-json\/wp\/v2\/media\/4643"}],"wp:attachment":[{"href":"https:\/\/k-rnd.com\/wp-json\/wp\/v2\/media?parent=4641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/k-rnd.com\/wp-json\/wp\/v2\/categories?post=4641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/k-rnd.com\/wp-json\/wp\/v2\/tags?post=4641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}