https://w.electrodragon.com/w/index.php?action=history&feed=atom&title=Category%3ACH340 2026-06-04T23:42:10Z Revision history for this page on the wiki MediaWiki 1.37.2 https://w.electrodragon.com/w/index.php?title=Category:CH340&diff=32300&oldid=prev 2021-10-06T04:26:58Z

<p><span dir="auto"><span class="autocomment">Schematic</span></span></p> <p><b>New page</b></p><div>== Models ==<br /> * CH340G <br /> * CH340C<br /> * CH340T<br /> * CH340E<br /> == Pin Definition ==<br /> [[File:Ch340 2.gif|400px]]<br /> * For CH340E, add two filter capacitor, VCC-GND, V3-GND, optionally<br /> == CH340 Programmer ==<br /> Usage<br /> * 5V is USB power 5V<br /> * 3V3 is the regulated voltage on module<br /> * Short connect VCC to 5V, then module VCC is 5V, TTL output 5V<br /> * Short connect VCC to 3V3, then module VCC is 3V3, TTL output 3V3<br /> Please refer to the schematic<br /> <br /> == Documents ==<br /> <br /> CH340 Driver<br /> * [[:File:CH340DS1.PDF|CH340 Datasheet]]<br /> * [[:File:CH340SER.zip| Driver CH340SER]], or http://www.wch.cn/download/CH341SER_EXE.html<br /> [[File:CH340 Driver.jpg|thumbnail]]<br /> <br /> <br /> <br /> [[category: WCH]]<br /> [[category: USB-UART]]</div>

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