{"id":81297,"date":"2024-10-31T18:00:29","date_gmt":"2024-10-31T17:00:29","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/?p=81297"},"modified":"2026-04-08T10:46:51","modified_gmt":"2026-04-08T08:46:51","slug":"ch340-co-to-jest-dane-techniczne-schemat-cena-i-opinie","status":"publish","type":"post","link":"https:\/\/botland.com.pl\/blog\/ch340-co-to-jest-dane-techniczne-schemat-cena-i-opinie\/","title":{"rendered":"CH340 &#8211; Co to jest? Dane techniczne, schemat"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Czas czytania:<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"81297\" class=\"elementor elementor-81297\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7b70d70 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7b70d70\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ce7e177\" data-id=\"ce7e177\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e787668 elementor-widget elementor-widget-text-editor\" data-id=\"e787668\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>CH340<\/strong> jest konwerterem umo\u017cliwiaj\u0105cym komunikacj\u0119 urz\u0105dze\u0144 przez port USB w celu <strong>przekonwertowania na protok\u00f3\u0142 szeregowy<\/strong> w trybie pracy jako protok\u00f3\u0142 szeregowy CH340 dostarczaj\u0105cy wsp\u00f3lny sygna\u0142 modemu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-abb825f elementor-widget elementor-widget-heading\" data-id=\"abb825f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Najwa\u017cniejsze cechy konwertera CH340<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-e98a273 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e98a273\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-52a57de\" data-id=\"52a57de\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-04c837f elementor-widget elementor-widget-image\" data-id=\"04c837f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/10\/13626_4_kwadrat.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"13626_4_kwadrat\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6OTM5ODUsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLmNvbS5wbFwvYmxvZ1wvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNFwvMTBcLzEzNjI2XzRfa3dhZHJhdC5qcGcifQ%3D%3D\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/10\/13626_4_kwadrat-1024x1024.jpg\" class=\"attachment-large size-large wp-image-93985\" alt=\"FTDI CH340C 3.3\/5V USB Typ C USB-UART Konverter\" srcset=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/10\/13626_4_kwadrat-1024x1024.jpg 1024w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/10\/13626_4_kwadrat-300x300.jpg 300w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/10\/13626_4_kwadrat-768x768.jpg 768w, https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/10\/13626_4_kwadrat.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Konwerter USB-UART FTDI CH340C 3,3\/5V USB typ C.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-224e8f0 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"224e8f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/botland.com.pl\/konwertery-usb-uart-rs232-rs485\/13626-konwerter-usb-uart-ftdi-ch340c-335v-usb-typ-c-sparkfun-dev-15096-5904422321048.html\" target=\"_blank\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">SPRAWD\u0179<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-2cc9322\" data-id=\"2cc9322\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-79f4423 elementor-widget elementor-widget-text-editor\" data-id=\"79f4423\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Konwerter CH340 zapewnia pe\u0142ne wsparcie dla urz\u0105dze\u0144 USB, zgodne ze specyfikacj\u0105 USB 2.0. Do dzia\u0142ania potrzebuje jedynie zewn\u0119trznego <a href=\"https:\/\/botland.com.pl\/48-rezonatory\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">rezonatora kwarcowego<\/a> oraz <a href=\"https:\/\/botland.com.pl\/51-kondensatory\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">kondensator\u00f3w<\/a> pod sprz\u0119gaj\u0105cych. Urz\u0105dzenie emuluje standardowy interfejs szeregowy, umo\u017cliwiaj\u0105c komunikacj\u0119 z urz\u0105dzeniami posiadaj\u0105cymi starszy interfejs komunikacyjny. Dodatkowo, umo\u017cliwia dodanie komunikacji przez port USB. Konwerter jest w pe\u0142ni kompatybilny z systemem operacyjnym Windows. Transmisja danych odbywa si\u0119 w pe\u0142nym dupleksie, automatycznie ustawiaj\u0105c bufor nadajnika. Obs\u0142uguje pr\u0119dko\u015bci transmisji danych <strong>od 50 BPS do 2 Mbps<\/strong>. Wspiera popularne sygna\u0142y modemowe, takie jak RTS, DTR, DCD, DSR i CTS. Dodanie konwertera poziom\u00f3w logicznych umo\u017cliwia wsp\u00f3\u0142prac\u0119 z urz\u0105dzeniami o interfejsach <strong>RS232, RS485, RS422 i innymi interfejsami szeregowymi<\/strong>. Konwerter obs\u0142uguje standard komunikacji <strong>IRDA oraz SIR<\/strong>, z pr\u0119dko\u015bciami transmisji danych od 2400 do 115 200 BPS.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-ebb5cd7 elementor-widget elementor-widget-text-editor\" data-id=\"ebb5cd7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Kompatybilno\u015b\u0107 oprogramowania obejmuje CH341, z mo\u017cliwo\u015bci\u0105 korzystania ze sterownik\u00f3w do CH341. Mo\u017cliwe jest zasilanie z \u017ar\u00f3d\u0142a napi\u0119cia <strong>5V lub 3,3V<\/strong>. Uk\u0142ad scalony znajduje si\u0119 w obudowie SSOP-20.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c3c1c6 elementor-widget elementor-widget-heading\" data-id=\"8c3c1c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Opis wyprowadze\u0144 uk\u0142adu CH340<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a973379 elementor-widget elementor-widget-text-editor\" data-id=\"a973379\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Uk\u0142ad CH340 ma nast\u0119puj\u0105ce wyprowadzenia:<\/p><ol><li>NC &#8211; niepod\u0142\u0105czone<\/li><li>ACT# (OUT) &#8211; Wyj\u015bcie ujemne fazy zegara (CH340T: stan wyj\u015bciowy po zako\u0144czeniu konfiguracji USB; aktywne w stanie niskim)<\/li><li>TXD (OUT) &#8211; Wyj\u015bcie danych szeregowych (odwrotne wyj\u015bcie fazowe CH340R)<\/li><li>RXD (IN) &#8211; Wej\u015bcie danych szeregowych, ustawiony sterowany rezystor podci\u0105gaj\u0105cy i podci\u0105gaj\u0105cy opadaj\u0105cy<\/li><li>V3 (POWER) &#8211; Po\u0142\u0105czenia VCC z zewn\u0119trznym zasilaniem 3,3V; pod\u0142\u0105czenie kondensatora odsprz\u0119gaj\u0105cego 10nF dla zasilania 5V<\/li><li>UD+ (USB signal) &#8211; Bezpo\u015brednie po\u0142\u0105czenie z lini\u0105 danych D+ magistrali USB, ustawia wewn\u0119trzny rezystor podci\u0105gaj\u0105cy<\/li><li>UD- (USB signal) &#8211; Bezpo\u015brednie po\u0142\u0105czenie z lini\u0105 danych D- magistrali USB<\/li><li>GND (POWER) &#8211; Wsp\u00f3lna masa, po\u0142\u0105czenie masy dla USB<\/li><li>XI (IN) &#8211; Wej\u015bcie oscylatora kwarcowego, pod\u0142\u0105czenie kwarcu i kondensatora oscylatora kwarcowego na zewn\u0105trz<\/li><li>XO (OUT) &#8211; Wyj\u015bcie oscylatora kwarcowego, pod\u0142\u0105czenie kwarcu i kondensatora oscylatora kwarcowego na zewn\u0105trz<\/li><li>CTS# (IN) &#8211; Sygna\u0142 wej\u015bciowy \u0142\u0105czno\u015bci modemu, czyszczenie wysy\u0142ania, aktywny w stanie niskim<\/li><li>DSR# (IN) &#8211; Sygna\u0142 wej\u015bciowy \u0142\u0105czno\u015bci modemu, gotowo\u015b\u0107 sprz\u0119tu, aktywny w stanie niskim<\/li><li>RI# (IN) &#8211; Sygna\u0142 wej\u015bciowy \u0142\u0105czno\u015bci modemu, oscylacja sygna\u0142u dzwonka, aktywny w stanie niskim (wysokim)<\/li><li>DCD# (OUT) &#8211; Sygna\u0142 wej\u015bciowy \u0142\u0105czno\u015bci modemu, wykrywanie fali no\u015bnej, aktywny w stanie niskim (wysokim)<\/li><li>DTR# (OUT) &#8211; Sygna\u0142 wyj\u015bciowy \u0142\u0105czno\u015bci modemu, punkt ko\u0144cowy danych jest gotowy, aktywny w stanie niskim (wysokim)<\/li><li>RTS# (OUT) &#8211; Sygna\u0142 wyj\u015bciowy \u0142\u0105czno\u015bci modemu, \u017c\u0105danie wys\u0142ania, aktywny w stanie niskim (wysokim)<\/li><li>IR# (IN) &#8211; CH340R: wej\u015bcie ustawienia trybu interfejsu szeregowego, ustaw wewn\u0119trzny rezystor podci\u0105gaj\u0105cy, niski poziom to interfejs szeregowy podczerwieni SIR, wysoki poziom to standardowy interfejs szeregowy CKO<\/li><li>R232 (IN) &#8211; W\u0142\u0105cznik RS232, aktywny na wysokim poziomie, ustaw wewn\u0119trzny rezystor podci\u0105gaj\u0105cy<\/li><li>VCC (POWER) &#8211; Pozytywne wej\u015bcie zasilania, wymaga zewn\u0119trznego kondensatora sprz\u0119gaj\u0105cego 100nF<\/li><li>NOS# (IN) &#8211; Zabrania wstrzymywania urz\u0105dzenia USB, aktywne w stanie niskim, ustaw wewn\u0119trzny rezystor podci\u0105gaj\u0105cy<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eefa242 elementor-widget elementor-widget-heading\" data-id=\"eefa242\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Opis funkcjonalny<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ce305a elementor-widget elementor-widget-text-editor\" data-id=\"8ce305a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>CH340 posiada <strong>wbudowane rezystory podci\u0105gaj\u0105ce<\/strong> przy z\u0142\u0105czu USB. Piny UD+ oraz UD- musz\u0105 by\u0107 pod\u0142\u0105czone bezpo\u015brednio do szyny USB. CH340 posiada r\u00f3wnie\u017c <strong>wbudowany obw\u00f3d resetu<\/strong>, kt\u00f3ry aktywuje si\u0119 przy ka\u017cdym w\u0142\u0105czeniu napi\u0119cia zasilania. W trybie normalnym dzia\u0142ania CH340 wymaga dostarczenia sygna\u0142u zegarowego o cz\u0119stotliwo\u015bci <strong>12 MHz<\/strong> do pinu X1. Og\u00f3lnie sygna\u0142 zegarowy jest generowany przez przetwornic\u0119, a konkretnie przez rezonator kwarcowy. Po\u0142\u0105czenie rezonatora kwarcowego 12 MHz pomi\u0119dzy X1 i X0 wymaga <strong>dodatkowych kondensator\u00f3w<\/strong> zapobiegaj\u0105cych wzbudzaniu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a9b85ef elementor-widget elementor-widget-heading\" data-id=\"a9b85ef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Zasilanie uk\u0142adu CH340<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-465f76b elementor-widget elementor-widget-text-editor\" data-id=\"465f76b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>CH340 wymaga zasilania napi\u0119ciem <strong>5V lub 3,3V<\/strong>. U\u017cywaj\u0105c zasilania 5V, pin V3 musi by\u0107 pod\u0142\u0105czony do masy poprzez kondensator sprz\u0119gaj\u0105cy o pojemno\u015bci 4,7 mikrofarada lub 10 mikrofarad\u00f3w. Natomiast przy zasilaniu 3,3V, pin V3 nale\u017cy po\u0142\u0105czy\u0107 z pinem VCC i pod\u0142\u0105czy\u0107 do \u017ar\u00f3d\u0142a zasilania 3,3V.<\/p><p>CH340 automatycznie wspiera zatrzymywanie transmisji danych w trybie bezczynno\u015bci, prze\u0142\u0105czaj\u0105c si\u0119 w tryb oszcz\u0119dzania energii. Pin NOS# mo\u017ce zapobiec zawieszeniu transmisji danych zewn\u0119trznego urz\u0105dzenia USB w trybie asynchronicznym interfejsu szeregowego.\u00a0<span style=\"font-size: 1rem;\">CH340 wykorzystuje trzy wyprowadzenia transmisji danych: pin sygna\u0142owy oraz pin asystuj\u0105cy. Piny transmisji danych obejmuj\u0105 TXD oraz RXD interfejsu UART. W stanie spoczynku interfejsu szeregowego, pin RXD musi by\u0107 ustawiony w stan wysoki.\u00a0<\/span><\/p><p><span style=\"font-size: 1rem;\">Je\u015bli RS232 jest w stanie wysokim, nale\u017cy u\u017cy\u0107 funkcji pomocniczej RS232, a nast\u0119pnie INRXT uruchomi automatycznie inwerter wewn\u0105trz. Domy\u015blnie, stan niski b\u0119dzie ustawieniem domy\u015blnym, je\u015bli wyj\u015bcie interfejsu b\u0119dzie wolne. Piny XD w CH340 b\u0119d\u0105 w stanie wysokim, a PIN TXD w stanie niskim. Sygna\u0142y modemu obejmuj\u0105 CTS#, DSR#, RI#, DCD#, oraz RTS#. Wszystkie te sygna\u0142y s\u0105 sterowane przez aplikacj\u0119 komputerow\u0105, w kt\u00f3rej definiujemy funkcje poszczeg\u00f3lnych pin\u00f3w. Piny pomocnicze obejmuj\u0105 IR#, R232#, CKOH, CKL oraz ACT#. Kiedy IR# jest w stanie niskim, uruchamia interfejs szeregowy dla diody podczerwonej. R232# jest u\u017cywany do sterowania funkcjami pomocniczymi interfejsu RS232. Kiedy R232# jest w stanie wysokim, pin RXD automatycznie ustawia wewn\u0119trzny inwerter i faz\u0119 sygna\u0142u zegarowego na wyj\u015bciu z CKOH na CKL. ACTH jest urz\u0105dzeniem USB odpowiedzialnym za konfiguracj\u0119 stanu ko\u0144cowego wyj\u015bcia, na przyk\u0142ad do sprawdzenia gotowo\u015bci adaptera diody podczerwonej USB do transmisji danych. W tym trybie, R232# oraz IR# s\u0105 wykrywane jednorazowo po wznowieniu zasilania.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>CH340 &#8211; poznaj przydatny konwerter USB na port szeregowy! Szczeg\u00f3\u0142y w naszym artykule.<\/p>\n","protected":false},"author":21,"featured_media":94000,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,179],"tags":[],"class_list":["post-81297","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika","category-kompendium"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CH340 - Co to jest? Dane techniczne, schemat - Botland<\/title>\n<meta name=\"description\" content=\"CH340 - poznaj przydatny konwerter USB na port szeregowy! 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