CH340G USB to Serial.zip

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CH340G USB to Serial Bridge Datasheet
CH340G USB to Serial.zip
  • CH340G USB to Serial.pdf
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<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/6253090e6caf5961927bedfa/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6253090e6caf5961927bedfa/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">The <span class="_ _0"></span>Dat<span class="_ _1"></span>a Sh<span class="_ _1"></span>eet o<span class="_ _1"></span>f<span class="_ _1"></span> CH340 (<span class="_ _1"></span>the fir<span class="_ _1"></span>st) <span class="_ _2"> </span> 1 </div><div class="t m0 x2 h3 y2 ff2 fs1 fc0 sc0 ls1 ws1">USB to serial chip <span class="_ _1"></span>C<span class="_ _1"></span>H34<span class="_ _1"></span>0<span class="ff1 ls2 ws2"> </span></div><div class="t m0 x3 h4 y3 ff1 fs2 fc0 sc0 ls3 ws3">English Dat<span class="_ _0"></span>a </div><div class="t m0 x4 h4 y4 ff1 fs2 fc0 sc0 ls4 ws4">Sheet Version: <span class="_ _3"></span>2C<span class="_ _0"></span> </div><div class="t m0 x5 h4 y5 ff1 fs2 fc1 sc0 ls5 ws2">http://wch.cn</div><div class="t m0 x6 h4 y6 ff1 fs2 fc0 sc0 ls2 ws2"> </div><div class="t m0 x7 h4 y7 ff1 fs2 fc0 sc0 ls6 ws2">1 Introduction </div><div class="t m0 x8 h5 y8 ff3 fs3 fc0 sc0 ls7 ws2">CH34</div><div class="t m0 x9 h5 y9 ff3 fs3 fc0 sc0 ls7 ws2">0<span class="ws5"> </span>is<span class="ws6"> </span>a<span class="ws7"> <span class="ws8">USB <span class="ws9">bus </span></span></span>conversion<span class="wsa"> </span>chip,<span class="ws6"> </span>it<span class="wsb"> </span>can<span class="ws6"> </span>realize<span class="wsc"> </span>USB<span class="ws5"> </span>to<span class="wsd"> </span>UART<span class="wse"> </span><span class="ls8">interface<span class="wsf"> </span>or<span class="ws10"> </span>USB<span class="ws11"> </span>to<span class="ws12"> </span><span class="ls9">printer<span class="ws13"> </span>inter<span class="lsa">face.</span></span></span></div><div class="t m0 x8 h5 ya ff3 fs3 fc0 sc0 lsa ws2">In serial UART mode, CH340 provides common MODEM liaison signal, used to expand UART interface of </div><div class="t m0 x7 h5 yb ff3 fs3 fc0 sc0 lsa ws2">computer or upgrade the common serial device to USB bus directly. For more information on USB conversion to </div><div class="t m0 x7 h5 yc ff3 fs3 fc0 sc0 lsa ws2">printer interface please refer to the manual CH340DS2. </div><div class="t m0 x1 h4 yd ff1 fs2 fc0 sc0 lsb ws14">2 Features </div><div class="t m0 x7 h6 ye ff4 fs4 fc0 sc0 ls2 ws2">&#9679;<span class="_ _4"> </span><span class="ff2 lsc ws15">Fu<span class="_ _1"></span>l<span class="_ _1"></span>l sp<span class="_ _1"></span>eed <span class="_ _5"></span>US<span class="_ _1"></span>B<span class="_ _1"></span> <span class="_ _0"></span>devi<span class="_ _5"></span>ce i<span class="_ _1"></span>nte<span class="_ _1"></span>rf<span class="_ _1"></span>ace<span class="_ _5"></span>, <span class="_ _0"></span>compatible <span class="_ _0"></span>with <span class="_ _0"></span>USB V2.0.</span></div><div class="t m0 x7 h6 yf ff4 fs4 fc0 sc1 ls2 ws2">&#9679;<span class="_ _4"> </span><span class="ff2 sc0 lsd ws16">Em</span></div><div class="t m0 xa h6 y10 ff2 fs4 fc0 sc0 lsd ws16">ulate s<span class="_ _0"></span>tan<span class="_ _0"></span>dard<span class="_ _0"></span> UART <span class="_ _0"></span>interface<span class="_ _0"></span>, <span class="_ _6"></span>use<span class="_ _0"></span>d t<span class="_ _0"></span>o<span class="_ _0"></span> <span class="_ _6"></span>upgrade <span class="_ _0"></span>the <span class="_ _6"></span><span class="lse ws17">s<span class="_ _0"></span>e<span class="_ _0"></span>r<span class="_ _0"></span>ia<span class="_ _0"></span>l<span class="_ _0"></span> peripherals, or ex<span class="_ _0"></span>pa<span class="_ _0"></span>nd U<span class="_ _0"></span>AR<span class="_ _0"></span>T<span class="_ _0"></span> <span class="_ _1"></span>interface vi<span class="_ _1"></span>a</span></div><div class="t m0 xb h6 y11 ff2 fs4 fc0 sc0 lsf ws18">USB bu<span class="_ _0"></span>s. </div><div class="t m0 x7 h6 y12 ff4 fs4 fc0 sc1 ls2 ws2">&#9679;<span class="_ _4"> </span><span class="ff2 sc0 ls10 ws19">O</span></div><div class="t m0 xc h6 y13 ff2 fs4 fc0 sc0 ls10 ws19">riginal se<span class="_ _0"></span>rial applications ar<span class="_ _0"></span>e<span class="_ _0"></span> totally compatible<span class="ls11 ws1a">, <span class="_ _0"></span>without any modification in<span class="_ _0"></span><span class="ls12 ws1b"> Wind<span class="_ _1"></span>ows <span class="_ _0"></span>operation system.</span></span></div><div class="t m0 x7 h6 y14 ff4 fs4 fc0 sc1 ls2 ws2">&#9679;<span class="_ _4"> </span><span class="ff2 sc0 ls13 ws1c">H</span></div><div class="t m0 xc h6 y15 ff2 fs4 fc0 sc0 ls13 ws1c">ardware <span class="_ _1"></span>full duplex serial UART interface, built-in <span class="_ _1"></span>tr<span class="_ _1"></span>ans<span class="_ _5"></span>mit-<span class="_ _1"></span>re<span class="_ _5"></span>ceiv<span class="_ _1"></span>e <span class="_ _5"></span>buffer, supports co<span class="_ _0"></span>mmunicat<span class="_ _0"></span>ion <span class="_ _1"></span>bau<span class="_ _0"></span>d</div><div class="t m0 xb h6 y16 ff2 fs4 fc0 sc0 ls14 ws1d">rat<span class="_ _0"></span>e varie<span class="_ _1"></span>s fro<span class="_ _0"></span>m <span class="_ _1"></span>50bps t<span class="_ _0"></span>o 2Mbps. </div><div class="t m0 x7 h6 y17 ff4 fs4 fc0 sc1 ls2 ws2">&#9679;<span class="_ _4"> </span><span class="ff2 sc0 ls15 ws1e">Supports </span></div><div class="t m0 xd h6 y18 ff2 fs4 fc0 sc0 ls15 ws1e">common MODE<span class="_ _0"></span>M<span class="_ _0"></span> liaison signal<span class="_ _0"></span> RTS, DTR, <span class="_ _0"></span>D<span class="_ _0"></span>CD,<span class="_ _0"></span> RI, DSR<span class="_ _0"></span> and<span class="_ _0"></span> </div><div class="t m0 xe h6 y19 ff2 fs4 fc0 sc0 ls15 ws1e">CTS.</div><div class="t m0 x7 h6 y1a ff4 fs4 fc0 sc1 ls2 ws2">&#9679;<span class="_ _4"> </span><span class="ff2 sc0 ls16 ws1f">Through ext</span></div><div class="t m0 xf h6 y1b ff2 fs4 fc0 sc0 ls16 ws1f">ernal<span class="_ _0"></span> level conver<span class="ls17 ws20">sion chip provide further RS<span class="_ _0"></span>232, RS485, RS422 interf<span class="_ _0"></span>ace, etc.</span></div><div class="t m0 x7 h6 y1c ff4 fs4 fc0 sc1 ls2 ws2">&#9679;<span class="_ _4"> </span><span class="ff2 sc0 ls18 ws21">CH340R</span></div><div class="t m0 x10 h6 y1d ff2 fs4 fc0 sc0 ls18 ws21"> s<span class="ls19 ws22">upports <span class="_ _0"></span>IrDA <span class="_ _0"></span>c<span class="_ _0"></span>rit<span class="_ _0"></span>erio<span class="_ _0"></span>n SIR<span class="_ _0"></span> <span class="_ _0"></span>infr<span class="_ _0"></span>ared<span class="_ _0"></span> commun<span class="_ _0"></span>ication<span class="_ _0"></span>, <span class="_ _0"></span>suppo<span class="_ _0"></span>rts <span class="_ _0"></span>b<span class="_ _0"></span>au<span class="_ _0"></span>d r<span class="_ _0"></span>at<span class="_ _0"></span>e <span class="_ _0"></span>varies <span class="_ _7"></span>fro<span class="_ _0"></span>m 2400bps <span class="_ _6"></span>t<span class="_ _0"></span>o</span></div><div class="t m0 xb h6 y1e ff2 fs4 fc0 sc0 ls1a ws2">115200bps. </div><div class="t m0 x7 h6 y1f ff4 fs4 fc0 sc1 ls2 ws2">&#9679;<span class="_ _4"> </span><span class="ff2 sc0 ls1b ws23">Sof<span class="_ _1"></span>tw<span class="_ _1"></span>ar<span class="_ _1"></span>e com<span class="_ _1"></span>pati<span class="_ _1"></span>ble with <span class="_ _5"></span>CH<span class="_ _1"></span>341, u<span class="_ _1"></span>se<span class="_ _1"></span> dr<span class="_ _1"></span>iv<span class="_ _1"></span>er<span class="_ _1"></span> of<span class="_ _1"></span> <span class="_ _1"></span>CH341 di<span class="_ _1"></span>rec<span class="_ _5"></span>tly.</span></div><div class="t m0 x7 h6 y20 ff4 fs4 fc0 sc1 ls2 ws2">&#9679;<span class="_ _4"> </span><span class="ff2 sc0 ls1c ws24">Suppo</span></div><div class="t m0 x11 h6 y21 ff2 fs4 fc0 sc0 ls1c ws24">rt <span class="_ _0"></span>5<span class="_ _0"></span>V <span class="_ _0"></span>a<span class="_ _0"></span>nd<span class="_ _0"></span> 3.<span class="_ _0"></span>3<span class="_ _0"></span>V <span class="_ _6"></span>power s<span class="_ _0"></span>upply ev<span class="_ _0"></span>en 3V. </div><div class="t m0 x7 h6 y22 ff4 fs4 fc0 sc1 ls2 ws2">&#9679;<span class="_ _4"> </span><span class="ff2 sc0 ls1d ws25">CH</span></div><div class="t m0 xa h6 y23 ff2 fs4 fc0 sc0 ls1d ws25">340C, CH340E and CH340B have<span class="_ _1"></span> built-in cr<span class="_ _1"></span>ystal, no external crystal, CH340B also int<span class="_ _1"></span>egra<span class="_ _1"></span>tes</div><div class="t m0 xb h6 y24 ff2 fs4 fc0 sc0 ls1e ws26">EEPROM used to configure the <span class="_ _1"></span>serial<span class="_ _0"></span> number, etc. </div><div class="t m0 x7 h6 y25 ff4 fs4 fc0 sc1 ls2 ws2">&#9679;<span class="_ _4"> </span><span class="ff2 sc0 ls1f ws27">SOP-</span></div><div class="t m0 x12 h6 y26 ff2 fs4 fc0 sc0 ls1f ws27">16 and SSOP-20 and MSOP-10 lead<span class="ls20 ws28">-free RoHS compliant pac<span class="_ _1"></span>kage.</span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div> </body> </html>
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