{"id":91065,"date":"2020-12-16T21:30:24","date_gmt":"2020-12-16T15:30:24","guid":{"rendered":"http:\/\/rcl-radio.ru\/?p=91065"},"modified":"2022-01-08T15:32:58","modified_gmt":"2022-01-08T09:32:58","slug":"lm1972-%d1%86%d0%b8%d1%84%d1%80%d0%be%d0%b2%d0%be%d0%b9-%d1%80%d0%b5%d0%b3%d1%83%d0%bb%d1%8f%d1%82%d0%be%d1%80-%d0%b3%d1%80%d0%be%d0%bc%d0%ba%d0%be%d1%81%d1%82%d0%b8-arduino","status":"publish","type":"post","link":"http:\/\/rcl-radio.ru\/?p=91065","title":{"rendered":"LM1972 &#8212; \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0440\u0435\u0433\u0443\u043b\u044f\u0442\u043e\u0440 \u0433\u0440\u043e\u043c\u043a\u043e\u0441\u0442\u0438 (Arduino)"},"content":{"rendered":"<p>\u0418\u041c\u0421 LM1972 &#8212; \u0434\u0432\u0443\u0445\u043a\u0430\u043d\u0430\u043b\u044c\u043d\u044b\u0439 \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0440\u0435\u0433\u0443\u043b\u044f\u0442\u043e\u0440 \u0433\u0440\u043e\u043c\u043a\u043e\u0441\u0442\u0438. \u0414\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u0440\u0435\u0433\u0443\u043b\u0438\u0440\u043e\u0432\u043a\u0438 \u0433\u0440\u043e\u043c\u043a\u043e\u0441\u0442\u0438 \u043e\u0442 0 \u0434\u043e -78 \u0434\u0411, \u0441 \u0448\u0430\u0433\u043e\u043c 0,5 \u0434\u0411 \u043e\u0442 0 \u0434\u043e -48 \u0434\u0411 \u0438 1 \u0434\u0411 \u043e\u0442 -48 \u0434\u043e -78 \u0434\u0411. \u0418\u043c\u0435\u0435\u0442\u0441\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0437\u0432\u0443\u043a\u0430 MUTE \u0434\u043e \u0443\u0440\u043e\u0432\u043d\u044f -104 \u0434\u0411. \u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f 3-\u0445 \u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u043c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u043c (SPI).<\/p>\n<p>\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u0440\u0435\u0433\u0443\u043b\u044f\u0442\u043e\u0440\u0430 \u0433\u0440\u043e\u043c\u043a\u043e\u0441\u0442\u0438 \u043d\u0430 LM1972:<\/p>\n<ul>\n<li>\u041a\u043e\u044d\u0444\u0444\u0438\u0446\u0438\u0435\u043d\u0442 \u043d\u0435\u043b\u0438\u043d\u0435\u0439\u043d\u044b\u0445 \u0438\u0441\u043a\u0430\u0436\u0435\u043d\u0438\u0439 &#8230; 0.003% (\u043c\u0438\u043d.) \/ 0.0008% (\u0442\u0438\u043f\u043e\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435)<\/li>\n<li>\u0427\u0430\u0441\u0442\u043e\u0442\u043d\u0430\u044f \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0430 &#8230; 100 \u043a\u0413\u0446 (3 \u0434\u0411) (\u043c\u0438\u043d)<\/li>\n<li>\u0420\u0435\u0433\u0443\u043b\u0438\u0440\u043e\u0432\u043a\u0430 \u0433\u0440\u043e\u043c\u043a\u043e\u0441\u0442\u0438 &#8230; 78 \u0434\u0411 (\u0442\u0438\u043f\u043e\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435)<\/li>\n<li>\u041e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0435 \u0441\u0438\u0433\u043d\u0430\u043b\/\u0448\u0443\u043c &#8230; 110 \u0434\u0411 (\u043c\u0438\u043d) \/ 120 \u0434\u0411 (\u0442\u0438\u043f\u043e\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435)<\/li>\n<li>\u0420\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043a\u0430\u043d\u0430\u043b\u043e\u0432 &#8230; 100 \u0434\u0411 (\u043c\u0438\u043d) \/ 110 \u0434\u0411 (\u0442\u0438\u043f\u043e\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435)<\/li>\n<li>\u0423\u0440\u043e\u0432\u0435\u043d\u044c MUTE &#8230; 104 \u0434\u0411 (\u0442\u0438\u043f\u043e\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435)<\/li>\n<li>\u041e\u0448\u0438\u0431\u043a\u0430 \u0448\u0430\u0433\u0430 \u0440\u0435\u0433\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0435 \u0431\u043e\u043b\u0435\u0435 0,05 \u0434\u0411 \u043e\u0442 0 \u0434\u043e -48 \u0434\u0411 \u0438 0,25 \u0434\u0411 \u043e\u0442 -48 \u0434\u043e -78 \u0434\u0411<\/li>\n<li>\u041d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 \u043f\u0438\u0442\u0430\u043d\u0438\u044f \u0434\u0432\u0443\u0445 \u043f\u043e\u043b\u044f\u0440\u043d\u043e\u0435 VDD\u2013VSS = 15 \u0412 (\u043c\u0430\u043a\u0441), \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u0435\u043c\u043e\u0435 VDD\u2013VSS\u00a0 = 12 \u0412 (VDD = +6 \u0412 \/ VSS = -6 \u0412 )<\/li>\n<li>\u0412\u0445\u043e\u0434\u043d\u043e\u0435 \u0441\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u0435 &#8230; 40 \u043a\u041e\u043c<\/li>\n<li>\u0412\u044b\u0445\u043e\u0434\u043d\u043e\u0435 \u0441\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u0435 &#8230; 25 \u043a\u041e\u043c &#8212; 35 \u043a\u041e\u043c<\/li>\n<\/ul>\n<p><a href=\"http:\/\/rcl-radio.ru\/wp-content\/uploads\/2020\/12\/\u0421\u043d\u0438\u043c\u043e\u043a-\u044d\u043a\u0440\u0430\u043d\u0430-\u043e\u0442-2020-12-15-230939.png\" class=\"highslide-image\" onclick=\"return hs.expand(this);\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-91066\" src=\"http:\/\/rcl-radio.ru\/wp-content\/uploads\/2020\/12\/\u0421\u043d\u0438\u043c\u043e\u043a-\u044d\u043a\u0440\u0430\u043d\u0430-\u043e\u0442-2020-12-15-230939.png\" alt=\"\" width=\"652\" height=\"371\" srcset=\"http:\/\/rcl-radio.ru\/wp-content\/uploads\/2020\/12\/\u0421\u043d\u0438\u043c\u043e\u043a-\u044d\u043a\u0440\u0430\u043d\u0430-\u043e\u0442-2020-12-15-230939.png 652w, http:\/\/rcl-radio.ru\/wp-content\/uploads\/2020\/12\/\u0421\u043d\u0438\u043c\u043e\u043a-\u044d\u043a\u0440\u0430\u043d\u0430-\u043e\u0442-2020-12-15-230939-200x114.png 200w, http:\/\/rcl-radio.ru\/wp-content\/uploads\/2020\/12\/\u0421\u043d\u0438\u043c\u043e\u043a-\u044d\u043a\u0440\u0430\u043d\u0430-\u043e\u0442-2020-12-15-230939-500x285.png 500w\" sizes=\"auto, (max-width: 652px) 100vw, 652px\" \/><\/a><\/p>\n<p>\u0418\u043c\u0435\u0435\u0442\u0441\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0431\u043e\u043b\u0435\u0435 \u0447\u0435\u043c \u043e\u0434\u043d\u043e\u0439 LM1972, \u043a\u0430\u043a \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0440\u0435\u0433\u0443\u043b\u0438\u0440\u043e\u0432\u043a\u043e\u0439 \u0433\u0440\u043e\u043c\u043a\u043e\u0441\u0442\u0438 \u0432\u0441\u0435\u0445 \u043c\u0438\u043a\u0440\u043e\u0441\u0445\u0435\u043c (\u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e\u0435 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u043a 3-\u0445 \u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u0439 \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0448\u0438\u043d\u0435), \u0442\u0430\u043a \u0438 \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0435 \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0439 \u043c\u0438\u043a\u0440\u043e\u0441\u0445\u0435\u043c\u044b (\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432\u044b\u0432\u043e\u0434 DATA_OUT) &#8212; \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0439 \u0432 \u0434\u0430\u0442\u0430\u0448\u0438\u0442\u0435 <strong><a href=\"http:\/\/rcl-radio.ru\/wp-content\/uploads\/2020\/12\/lm1972.pdf\">lm1972.pdf<\/a><\/strong>.<\/p>\n<div id=\"marketWidget\"><\/div>\n<p>\u0414\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f LM1972 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u043f\u043b\u0430\u0442\u044b Arduino Nano \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0442\u0435\u0441\u0442\u043e\u0432\u044b\u0439 \u0441\u043a\u0435\u0442\u0447:<\/p>\n<pre><span style=\"color: #5e6d03;\">#define<\/span> <span style=\"color: #000000;\">CS<\/span> \u00a0\u00a0\u00a0<span style=\"color: #000000;\">2<\/span> \u00a0<span style=\"color: #434f54;\">\/\/ LOAD PIN 10 \u00a0LM1972<\/span>\r\n<span style=\"color: #5e6d03;\">#define<\/span> <span style=\"color: #000000;\">CLK<\/span> \u00a0\u00a0<span style=\"color: #000000;\">3<\/span> \u00a0<span style=\"color: #434f54;\">\/\/ SCLK PIN 9 \u00a0\u00a0LM1972<\/span>\r\n<span style=\"color: #5e6d03;\">#define<\/span> <span style=\"color: #000000;\">DATA<\/span> \u00a0<span style=\"color: #000000;\">4<\/span> \u00a0<span style=\"color: #434f54;\">\/\/ DATA PIN 11 \u00a0LM1972<\/span>\r\n\r\n<span style=\"color: #00979c;\">void<\/span> <span style=\"color: #5e6d03;\">setup<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">)<\/span> <span style=\"color: #000000;\">{<\/span>\r\n \u00a0<b><span style=\"color: #d35400;\">Serial<\/span><\/b><span style=\"color: #434f54;\">.<\/span><span style=\"color: #d35400;\">begin<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">9600<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span>\r\n \u00a0<span style=\"color: #d35400;\">pinMode<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">CS<\/span><span style=\"color: #434f54;\">,<\/span><span style=\"color: #00979c;\">OUTPUT<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span>\r\n \u00a0<span style=\"color: #d35400;\">pinMode<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">CLK<\/span><span style=\"color: #434f54;\">,<\/span><span style=\"color: #00979c;\">OUTPUT<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span>\r\n \u00a0<span style=\"color: #d35400;\">pinMode<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">DATA<\/span><span style=\"color: #434f54;\">,<\/span><span style=\"color: #00979c;\">OUTPUT<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span>\r\n \u00a0<span style=\"color: #d35400;\">delay<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">100<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span>\r\n<span style=\"color: #000000;\">}<\/span>\r\n\r\n<span style=\"color: #00979c;\">void<\/span> <span style=\"color: #5e6d03;\">loop<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">)<\/span> <span style=\"color: #000000;\">{<\/span>\r\n<span style=\"color: #d35400;\">delay<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">1000<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span>\r\n \u00a0<span style=\"color: #000000;\">LM1972Write<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">0<\/span><span style=\"color: #434f54;\">,<\/span> <span style=\"color: #000000;\">0<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span> <span style=\"color: #434f54;\">\/\/ CH0 , 0dB<\/span>\r\n \u00a0<span style=\"color: #000000;\">LM1972Write<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">1<\/span><span style=\"color: #434f54;\">,<\/span> <span style=\"color: #000000;\">0<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span> <span style=\"color: #434f54;\">\/\/ CH1 , 0dB<\/span>\r\n \u00a0<span style=\"color: #434f54;\">\/\/ channel 0 = 0x00, 1 = 0x01<\/span>\r\n \u00a0<span style=\"color: #434f54;\">\/\/ att = 0dB...-78dB = int 0...126 (0...-48 step 0.5dB, -48...-78 step 1dB) \/\/\/ int 255 = MUTE<\/span>\r\n<span style=\"color: #000000;\">}<\/span>\r\n\r\n<span style=\"color: #00979c;\">void<\/span> <span style=\"color: #000000;\">LM1972Write<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #00979c;\">byte<\/span> <span style=\"color: #000000;\">ch<\/span><span style=\"color: #434f54;\">,<\/span> <span style=\"color: #00979c;\">byte<\/span> <span style=\"color: #000000;\">att<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">{<\/span> \u00a0\r\n \u00a0<span style=\"color: #d35400;\">digitalWrite<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">CLK<\/span><span style=\"color: #434f54;\">,<\/span><span style=\"color: #00979c;\">LOW<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span><span style=\"color: #d35400;\">delay<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">1<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span><span style=\"color: #d35400;\">digitalWrite<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">CS<\/span><span style=\"color: #434f54;\">,<\/span><span style=\"color: #00979c;\">LOW<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0<span style=\"color: #5e6d03;\">for<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #00979c;\">int<\/span> <span style=\"color: #000000;\">i<\/span> <span style=\"color: #434f54;\">=<\/span> <span style=\"color: #000000;\">7<\/span><span style=\"color: #000000;\">;<\/span> <span style=\"color: #000000;\">i<\/span> <span style=\"color: #434f54;\">&gt;=<\/span> <span style=\"color: #000000;\">0<\/span><span style=\"color: #000000;\">;<\/span> <span style=\"color: #000000;\">i<\/span><span style=\"color: #434f54;\">--<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">{<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #d35400;\">digitalWrite<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">DATA<\/span><span style=\"color: #434f54;\">,<\/span> <span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">ch<\/span> <span style=\"color: #434f54;\">&gt;&gt;<\/span> <span style=\"color: #000000;\">i<\/span><span style=\"color: #000000;\">)<\/span> <span style=\"color: #434f54;\">&amp;<\/span> <span style=\"color: #000000;\">0x01<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #d35400;\">digitalWrite<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">CLK<\/span><span style=\"color: #434f54;\">,<\/span><span style=\"color: #00979c;\">HIGH<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span><span style=\"color: #d35400;\">digitalWrite<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">CLK<\/span><span style=\"color: #434f54;\">,<\/span><span style=\"color: #00979c;\">LOW<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span><span style=\"color: #000000;\">}<\/span>\r\n \u00a0\u00a0\u00a0\u00a0<span style=\"color: #5e6d03;\">for<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #00979c;\">int<\/span> <span style=\"color: #000000;\">i<\/span> <span style=\"color: #434f54;\">=<\/span> <span style=\"color: #000000;\">7<\/span><span style=\"color: #000000;\">;<\/span> <span style=\"color: #000000;\">i<\/span> <span style=\"color: #434f54;\">&gt;=<\/span> <span style=\"color: #000000;\">0<\/span><span style=\"color: #000000;\">;<\/span> <span style=\"color: #000000;\">i<\/span><span style=\"color: #434f54;\">--<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">{<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #d35400;\">digitalWrite<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">DATA<\/span><span style=\"color: #434f54;\">,<\/span> <span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">att<\/span> <span style=\"color: #434f54;\">&gt;&gt;<\/span> <span style=\"color: #000000;\">i<\/span><span style=\"color: #000000;\">)<\/span> <span style=\"color: #434f54;\">&amp;<\/span> <span style=\"color: #000000;\">0x01<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #d35400;\">digitalWrite<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">CLK<\/span><span style=\"color: #434f54;\">,<\/span><span style=\"color: #00979c;\">HIGH<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span><span style=\"color: #d35400;\">digitalWrite<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">CLK<\/span><span style=\"color: #434f54;\">,<\/span><span style=\"color: #00979c;\">LOW<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span><span style=\"color: #000000;\">}<\/span>\r\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span style=\"color: #d35400;\">digitalWrite<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">CS<\/span><span style=\"color: #434f54;\">,<\/span><span style=\"color: #00979c;\">HIGH<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;<\/span><span style=\"color: #d35400;\">delay<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">1<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">;\r\n<\/span><span style=\"color: #000000;\">}<\/span>\r\n<\/pre>\n<p>\u0424\u0443\u043d\u043a\u0446\u0438\u044f <span style=\"color: #000000;\">LM1972Write<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">) \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u0433\u0440\u043e\u043c\u043a\u043e\u0441\u0442\u044c\u044e \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u043a\u0430\u043d\u0430\u043b\u0430.\u00a0<\/span><\/p>\n<blockquote>\n<p style=\"text-align: center;\"><strong><span style=\"color: #000000;\">LM1972Write<\/span><span style=\"color: #000000;\">(<\/span><span style=\"color: #000000;\">0<\/span><span style=\"color: #434f54;\">,<\/span> <span style=\"color: #000000;\">0<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">; \/\/ \u043a\u0430\u043d\u0430\u043b 0, \u0433\u0440\u043e\u043c\u043a\u043e\u0441\u0442\u044c 0 \u0434\u0411<\/span><\/strong><\/p>\n<p style=\"text-align: center;\"><strong><span style=\"color: #000000;\">LM1972Write<\/span><span style=\"color: #000000;\">(1<\/span><span style=\"color: #434f54;\">,<\/span> <span style=\"color: #000000;\">0<\/span><span style=\"color: #000000;\">)<\/span><span style=\"color: #000000;\">; \/\/\u00a0 \u043a\u0430\u043d\u0430\u043b 1, \u0433\u0440\u043e\u043c\u043a\u043e\u0441\u0442\u044c 0 \u0434\u0411<\/span><\/strong><\/p>\n<\/blockquote>\n<p>\u0422\u0430\u043a \u043a\u0430\u043a \u0432\u044b\u0445\u043e\u0434 LM1972 \u0438\u043c\u0435\u0435\u0442 \u0432\u044b\u0441\u043e\u043a\u043e\u0435 \u0441\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u0435, \u0442\u043e \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0442\u044c \u043a \u0432\u044b\u0445\u043e\u0434\u0443 \u043d\u0438\u0437\u043a\u043e\u043e\u043c\u043d\u0443\u044e \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0443 \u043d\u0435\u043b\u044c\u0437\u044f, \u0432\u0445\u043e\u0434 \u043f\u043e\u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0433\u043e \u043a\u0430\u0441\u043a\u0430\u0434\u0430 \u0443\u0441\u0438\u043b\u0435\u043d\u0438\u044f \u0434\u043e\u043b\u0436\u0435\u043d \u0438\u043c\u0435\u0442\u044c \u0431\u043e\u043b\u044c\u0448\u043e\u0439 \u0432\u0445\u043e\u0434\u043d\u043e\u0435 \u0441\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u0435. \u0422\u0430\u043a \u0436\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u0435\u0442\u0441\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u043b\u044f \u0432\u0445\u043e\u0434\u0430 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0435 \u0437\u0435\u043c\u043b\u0438 (\u043d\u0435 \u0441\u043e\u0435\u0434\u0438\u043d\u044f\u0442\u044c \u0441 \u043e\u0431\u0449\u0435\u0439 \u0437\u0435\u043c\u043b\u0435\u0439) GND1 \u0438 GDN2, \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0435 \u0434\u043b\u044f \u0432\u0445\u043e\u0434\u0430 IN1 \u0438 IN2.<\/p>\n<p>\u0424\u043e\u0440\u0443\u043c &#8212; <a href=\"http:\/\/forum.rcl-radio.ru\/viewtopic.php?id=248\">http:\/\/forum.rcl-radio.ru\/viewtopic.php?id=248<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0418\u041c\u0421 LM1972 &#8212; \u0434\u0432\u0443\u0445\u043a\u0430\u043d\u0430\u043b\u044c\u043d\u044b\u0439 \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0440\u0435\u0433\u0443\u043b\u044f\u0442\u043e\u0440 \u0433\u0440\u043e\u043c\u043a\u043e\u0441\u0442\u0438. \u0414\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u0440\u0435\u0433\u0443\u043b\u0438\u0440\u043e\u0432\u043a\u0438 \u0433\u0440\u043e\u043c\u043a\u043e\u0441\u0442\u0438 \u043e\u0442 0 \u0434\u043e -78 \u0434\u0411, \u0441 \u0448\u0430\u0433\u043e\u043c 0,5 \u0434\u0411 \u043e\u0442 0 \u0434\u043e -48 \u0434\u0411 \u0438 1 \u0434\u0411 \u043e\u0442 -48 \u0434\u043e -78 \u0434\u0411. \u0418\u043c\u0435\u0435\u0442\u0441\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0437\u0432\u0443\u043a\u0430 MUTE \u0434\u043e \u0443\u0440\u043e\u0432\u043d\u044f -104 \u0434\u0411. \u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f 3-\u0445 \u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u043c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u043c (SPI). \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u0440\u0435\u0433\u0443\u043b\u044f\u0442\u043e\u0440\u0430 \u0433\u0440\u043e\u043c\u043a\u043e\u0441\u0442\u0438 \u043d\u0430 LM1972: \u041a\u043e\u044d\u0444\u0444\u0438\u0446\u0438\u0435\u043d\u0442 \u043d\u0435\u043b\u0438\u043d\u0435\u0439\u043d\u044b\u0445 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":91066,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[239,5],"tags":[],"class_list":["post-91065","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arduino","category-5"],"views":4847,"_links":{"self":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/91065","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=91065"}],"version-history":[{"count":2,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/91065\/revisions"}],"predecessor-version":[{"id":111192,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/91065\/revisions\/111192"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/media\/91066"}],"wp:attachment":[{"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=91065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=91065"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=91065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}