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, Ltd. При подключении платформ разработки на базе Arduino к компьютеру, вы связываете между собой Aug 13, 2019 · The PCBs turned out beautiful with matte green soldermask and immersion gold finish, check out the video for some close-up shots. DNA solutions, Nashik has various types of Communication IC's. 0. cn/nanjing qinheng microelectronics co. WCH is an IC design company that designs chips based on self-developed professional interface IP and microprocessor IP. I wanted to try my hands at making one as they say to program an arduino 328p processor. →CH340E USB-Serial Converter Chip http://voltlog. ltd. CH340E by WCH - In-stock components at LCSC. I’m a little confused on the pinout and schematic … CH340C, CH340N, CH340K, CH340E and CH340B have integrated clock generator, no external crystal and oscillating capacitor required. 3 节。 CH340C 如果批号4 开头且末3 位大于B40, 则可为8# 引脚加4. </p> CH340E 2Mbps USB 2. Mar 6, 2022 · CH340芯片使用简介 CH340是一个USB总线的转接芯片，实现USB转串口或者USB转打印口。在串口方式下，CH340提供常用的MODEM联络信号，用于为计算机扩展异步串口，或者将普通的串口设备直接升级到USB总线。特点全速USB设备接口，兼容USB V2. Exports to OrCAD, Allegro, Altium, PADS CH340C、CH340N、CH340K 和CH340E 以及CH340B 芯片都已经内置时钟发生器,无需外部晶体及振荡电容。 CH340B 芯片还提供了EEPROM 配置数据区域,可以通过专用的计算机工具软件为每个芯片设置产品序列号等信息, 配置数据区域如下表所示。 Model differences: CH340C, CH340E and CH340B have built-in crystal, no external crystal; CH340B also has built-in EEPROM used to configure the serial number,etc. CH340- USB to Serial Arduino Programmer: The most used programmer in Arduino and other compatible boards. Are you looking for a re Oct 20, 2025 · 文章浏览阅读2. CH340X 基于CH340E 改进, 增加了3. Tích hợp EEPROM: CH340B có EEPROM nội bộ, giúp lưu trữ cấu hình. Oct 26, 2024 · CH340Eとは？ CH340Eは、USBとシリアル通信を相互に変換できるICチップのことです。このICを搭載したUSBシリアル変換モジュールは、ArduinoやRaspberry Piなどのマイコンボードとパソコンを接続する際に非常に役立ちます。また、シリアル通信が必要な様々な電子機器とのインターフェースとしても活用 Apr 6, 2021 · 文章浏览阅读1. The CH340E USB to TTL Converter Module (Type-C) allows easy communication between your computer’s USB port and UART-based microcontrollers such as Arduino, ESP32, and STM32. 7mm(ロープロファイル)ピンヘッダを通常どおり基板側(短い方)をユニバーサル基板に刺してはんだ付けします。 )CN1と基板を逆作用ピンセットで挟んで CH340C, CH340N, CH340K, CH340E and CH340B have integrated clock generator, no external crystal and oscillating capacitor required. CH340 is a 3x3mm tiny chip comes in MSOP10 package and has 10 pins. Model differences: CH340C, CH340E and CH340B have built-in crystal, no external crystal; CH340B also has built-in EEPROM used to configure the serial number,etc. CH340K has 3 built-in diodes to reduce current flow backwards between the I/O pins of Oct 7, 2014 · 電子部品,通販,販売,半導体,IC,LED,マイコン,電子工作FT234X 超小型USBシリアル変換モジュール秋月電子通商電子部品通信販売 Jul 7, 2025 · 还在为选择哪款CH340芯片而头疼？从CH340C到CH340T，不同型号功能差异大不同！本文将为你全面剖析CH340系列各型号的性能、应用场景和选购技巧，帮你避开坑点，精准匹配项目需求。无论你是电子爱好者还是嵌入式开发者，这篇都能让你轻松上手，告别驱动兼容难题！ CH340E USB-Serial Adapter. CH340E is a USB bus conversion chip that can realize USB to UART interface or USB to printer interface. Unlike other CH340 chips, it doesn’t require an external crystal and also needs less PCB space and BOM. 粤公网安备 44030402002736号粤ICP备13005967号 © 2025 EasyEDA All rights reserved ISO/IEC Sep 14, 2023 · USB-シリアル変換モジュールの通販なら共立エレショップにお任せください！ Jan 24, 2024 · CH340E USB Serial converter chip with cross-platform drivers 1K Loop-back Resistor between RX and TX USB Type C for data and power connection to any computer JST SH cable included for quick plugging into a breadboard - you can get another JST SH 3-pin cable with sockets or with pin header here. 3V y 5V. 沁恒是一家基于自研专业接口IP、微处理器内核IP构建一体化芯片的集成电路设计企业。主要产品包括USB/蓝牙 WCH is an IC design company that designs chips based on self-developed professional interface IP and microprocessor IP. It supports full speed USB device interface, common MODEM signals, and various serial protocols. 立创商城提供 WCH (南京沁恒) 的 USB转换芯片 CH340E 的PDF数据手册和参考资料，查看 CH340E 数据手册和购买 CH340E 上立创商城。 CH340C, CH340N, CH340K, CH340E and CH340B have integrated clock generator, no external crystal and oscillating capacitor required. View USB to Serial Chip CH340 by SparkFun Electronics datasheet for technical specifications, dimensions and more at DigiKey. CH340E Product details Features Full-speed USB device interface, compatible with USB V2. Its main products include USB/Bluetooth/Ethernet interface chips and connected/interconnected/wireless MCUs, which focus on connectivity, networking and control. The USB to Serial CH340E IC is a USB bus conversion chip, it can realize USB to UART interface or USB to printer interface. CH340E Datasheet (HTML) - Nanjing Qinheng Microelectronics Co. Oct 8, 2021 · CH340 is a popular IC that is a bidirectional USB to Serial converter IC, used to convert USB signals into UART, which can be used to communicate with microcontrollers. Apr 9, 2023 · Hi, I made mesures with a CH9340 I have got It outputs a HIGH level (5v in my case) for both the DTR# and RTS# , and the same for both USB connected or unconnected so I assume that these pins are normally at HIGH level, and only at LOW level when connected & activated by the PC, and this must be true for all the CH340 series right ? thanks ! Dec 17, 2019 · [113543]USB・シリアル変換IC CH340E 在庫グレード：販売コード 113543 型番 CH340E 発売日 2019/12/17 メーカー江蘇沁恒股分有限公司 (wch. On looking in ebay this leads to smaller pcb boards. Mạch sử dụng chip chính CH340E, hiệu suất cao, hoạt động ổn định. </p> The USB to Serial CH340E IC is a USB bus conversion chip, it can realize USB to UART interface or USB to printer interface. 3V Alternative CH340G Module 1. – CH340T – CH340K – CH340E – CH340X – CH340N CH340C, CH340N, CH340K, CH340E, CH340X and CH340B have integrated clock, no external crystal required. We would like to show you a description here but the site won’t allow us. Nov 29, 2023 · The most used USB-to-UART bridge controllers in ESP32 Development Boards are CH340 from WCH and CP2102 from SiLabs. . 0. 3w次，点赞22次，收藏83次。本文详细介绍了CH340系列USB转串口芯片的不同型号，包括CH340G、CH340C、CH340E等，以及它们的应用特点和封装形式。同时，提到了所有型号共用同一驱动程序，为开发者提供了便利。 CH340E USB to TTL Serial Converter 5V/3. Aug 7, 2010 · Mô tả sản phẩm CH340E là một mạch chuyển đổi USB To RS485 có guồn điện và tín hiệu được cách ly hoàn toàn, có khả năng chống nhiễu mạnh mẽ và sử dụng an toàn hơn. Sep 30, 2020 · You might be thinking of getting the extremely popular FTDI, but they might be over your budget. 43，封装为MSOP-10。商城还提供CH340E专业规格书、详细参数、引脚图、PCB焊盘图，典型应用图，Datasheet数据手册等资料查询和免费下载。沁恒是一家基于自研专业接口IP、微处理器内核IP构建一体化芯片的集成电路设计企业。主要产品包括USB/蓝牙 CH340 is a USB bus conversion chip that can realize USB to UART or USB to printer interface. UNIT CH340E es módulo USB a TTL te ayudara a programar diferentes microcontroladores y tener comunicación serial con diferentes módulos TTL. Not only the power lamp PWR, but also the TXD and RXD indicators, so that you <p>El chip CH340E es mucho más rápido y más pequeño que CH340G. Top layer is signal +power traces and bottom layer is a solid ground plane without any traces in it. Feb 2, 2022 · Hello, A friend of mine gave me a few of these ch340e 8pin usb programmer chips. 7KΩ 下拉电阻将其改为DTR#。 CH340R 提供反极性TXD 和MODEM 信号,已停产。 Download latest version of verified & working Windows 10 x64 x86 driver for CH340, CH340G USB to Serial converter. BTE17-06B USB a TTL CH340E es un módulo es un convertidor serie USB a TTL con una regulación de voltaje de 3. 0全速控制器与异步串口收发逻辑，支持150bps至2Mbps波特率，Vbus容差±10%确保工业环境兼容性。 CH340E Datasheet (HTML) - Nanjing Qinheng Microelectronics Co. I have the following concerns: - My main concern is the traces routed under the CH340E. 7KΩ 下拉电阻将其改为DTR#。 CH340R 提供反极性TXD 和MODEM 信号,已停产。 The USB to Serial CH340E IC is a USB bus conversion chip, it can realize USB to UART interface or USB to printer interface. 3 for the two configurations. 2mm x 18. CH340B has integrated EEPROM used to configure serial number, some functions can be customized, etc. It has built-in crystal and EEPROM, supports 5V and 3. We invite you to design and share with us. Nov 8, 2017 · WCH, a Chinese integrated circuits manufacturer, has just released a new serial to USB chip called CH340E. In this post, we will have details look at the introduction to CH340. Apr 11, 2018 · The CH340E is a compact 3x3mm serial-to-USB chip by WCH that eliminates the need for an external crystal, reducing PCB space and BOM costs. 3V和5V下的工作能力。 Apr 25, 2025 · All about CH340- function, and application, Driver download and installation, All CH30x variants and difference between them. Explore a symbol, footprint, 3D model and download for free on SnapMagic Search. 1mm USB - Controller CH340E Default +5V VCC USB-C Connector CH340. Just saw a really cheap usb to serial IC called CH340E, anyone tried it yet? It's 12 pins, but unlike the other similar chip from the same company, it has an internal oscillator. So what's the cheaper alternative? Try out Ch340, a USB to Serial adapter! CH340X is improved based on CH340E, with 5V tolerant characteristic added when the power supply is 3. CH340EがRC発振8MHzの精度の悪さに敏感なためエラーになっているのかもしれません。 CH340E搭載モジュールとCP2102搭載を直結して57600bps設定で通信が出来ることを確認したので、57600bps設定の通信も問題無く出来ています。 <p>El módulo de puerto serie CH340E _ MINI _ TTL utiliza el chip ch340e y lleva todos los pines de función. 用してユニバーサル基板にAE-CH340E-TYPECを実装します。ピンア� 17. 0 compatibility and supports common modem signals. Contribute to rocketscream/CH340E-MB development by creating an account on GitHub. Apr 27, 2021 · この商品を閲覧された方は、このような商品を見ております USB・シリアル変換IC CH340E 型番： CH340E 販売コード： 113543 1個￥110 (税込) CH340C, CH340N, CH340K, CH340E and CH340B have integrated clock generator, no external crystal and oscillating capacitor required. CH340B also provides EEPROM for configuring data area, product serial number and other information could be customized for each chip by specific software tools, configurable data area is shown in the table below. Especial para programar chip Arduino o Pro mini. , Ltd）公司设计和生产，为用户提供了一种方便、低成本的解决方… Free download the datasheet for CH340E from WCH. 5w次，点赞7次，收藏43次。本文档详细介绍了如何通过AD设计和测试CH340E USB转UART芯片的功能。测试内容包括管脚定义、应用电路、UART串口、RTS和CTS信号的测试，验证了芯片在3. 3V. Exports to OrCAD, Allegro, Altium, PADS Oct 31, 2017 · CH340E is slightly more expensive than CH340G, but considering you don’t need a crystal, and it will take less space on your PCB, total BoM cost for this USB to TTL function should be lower. com/y/rs1fe CH340E from WCH (Jiangsu Qin Heng) - USB Converters is available for JLCPCB assembly, check the stock, pricing and datasheet, and let JLCPCB helps you assemble the part CH340E for free. In serial UART mode, CH340E provides common MODEM liaison signal, used to expand UART interface of computer or upgrade the common serial device to USB bus directly. Dec 9, 2023 · CH340是一种USB转串口芯片，广泛用于连接计算机与各种嵌入式系统、单片机以及其他电子设备的通信。这款芯片由WCH（Nanjing QinHeng Electronics Co. Download schematic symbols, PCB footprints, 3D Models, pinout & datasheet for the CH340E by WCH. 1" spaced breakout holes for custom connections. In serial UART mode, CH340E provides common MODEM liaison signal, used to expand UART interface of computer or upgrade the common serial device to USB bus In serial UART mode, CH340E provides common MODEM liaison signal, used to expand UART interface of computer or upgrade the common serial device to USB bus directly. Las aplicaciones serie originales son totalmente compatibles, sin ninguna modificación en el sistema operativo Windows. CH340C SOP-16 fully replace CH340G, do not need external 12Mhz crystal anymore Documentation please see on this page. Price from $0. ) 履歴よくある質問 (Q&A）商品選定・製作の参考にしてください。 Jan 11, 2026 · CH340E是一款基于CMOS工艺的USB转UART收发器，采用MSOP-10微型封装，适用于空间受限的嵌入式系统。从芯片手册第12页的电气特性可知，其内部集成USB 2. USB to serial chip CH340. 5mm) only need two external parts for USB to UART communication no need crystal, ultra small size tested stable speed (150000 for flashing esp8266) Each purchase is for 5pcs. Free access CH340E datasheet, Package, pinout diagrams, and BOM tools. 粤公网安备 44030402002736号粤ICP备13005967号 © 2025 EasyEDA All rights reserved ISO/IEC 南京沁恒微电子股份有限公司提供CH341SER驱动程序的下载。沁恒是一家基于自研专业接口IP、微处理器内核IP构建一体化芯片的集成电路设计企业。主要产品包括USB/蓝牙 The peripheral circuit needs to place a crystal of 12MHz between XI and XO, and connect to a capacitor to ground separately. Indicador de potencia a bordo e indicadores TX, RX, usando fuente de alimentación microusb 5V. Exports to OrCAD, Allegro, Altium, PADS, Eagle, KiCad, Diptrace & Pulsonix. In serial UART mode, CH340E provides CH340E USB-Serial Adapter. Hello Everyone, I designed a two layer breakout board for CH340E as a learning experience. Of course my main concern will be driver compatibility with windows, linux and mac. 6# pin of CH340X can be changed from TNOW to DTR# when an external resistor is connected, see Section 5. pdf Apr 4, 2011 · CH340/341 (HL340/341) Serial-to-USB UART Driver for Raspberry Pi - aperepel/raspberrypi-ch340-driver INFORMATION The UNIT CH340E USB to TTL Module is a compact and reliable USB-to-serial converter, designed to provide seamless communication between a USB interface and TTL-level serial devices. From beginner to specialist, we can all communicate and learn together. Jun 27, 2022 · 电路简洁的优势源于，新产品 CH340E 内置时钟，外围只需两个电容，无需外部晶振。体积最小的优势源于，新产品CH340E 提供MSOP10 超小型封装，为产品节省 PCB 面积，可用于消费类电子行业的电子秤、扫码枪、手持设备等产品。 Apr 9, 2023 · Hi, I made mesures with a CH9340 I have got It outputs a HIGH level (5v in my case) for both the DTR# and RTS# , and the same for both USB connected or unconnected so I assume that these pins are normally at HIGH level, and only at LOW level when connected & activated by the PC, and this must be true for all the CH340 series right ? thanks ! Whether you are sharing innovative hardware designs or finding design inspiration, this is the best place for you. Kích thước: CH340N (SOP-10) và CH340K/CH340E rất nhỏ gọn, thích hợp cho thiết bị nhỏ. Let's have a closer look on circuitry and more. 3V power supply, and has various pins for different functions. See CH340E datasheet by or download in pdf. CH340X is improved based on CH340E, with 5V tolerant characteristic added when the power supply is 3. Nov 29, 2019 · CH340Eを使用したUSBシリアル変換モジュールです。シリアル側のピン配列がArduinoProMiniと同じになっていますのでスケッチの書き換えに便利です。信号レベルは5Vです。 CH340C、CH340N、CH340K 和CH340E 以及CH340B 芯片都已经内置时钟发生器,无需外部晶体及振荡电容。 CH340B 芯片还提供了EEPROM 配置数据区域,可以通过专用的计算机工具软件为每个芯片设置产品序列号等信息, 配置数据区域如下表所示。 Jan 24, 2024 · CH340E USB Serial converter chip with cross-platform drivers 1K Loop-back Resistor between RX and TX USB Type C for data and power connection to any computer JST SH cable included for quick plugging into a breadboard - you can get another JST SH 3-pin cable with sockets or with pin header here. FTDI is best in that regards. Mar 26, 2023 · Hello, readers welcome to the new post. 0。仿真标准串口，用于升级原串 CH340T, CH340E, CH340K, CH340N chỉ có TX/RX hoặc một số tín hiệu bổ sung. CH340G, CH340C, CH340B có kích thước lớn hơn (SOP-16). Nov 29, 2019 · CH340Eを使用したUSBシリアル変換モジュールです。シリアル側のピン配列がArduinoProMiniと同じになっていますのでスケッチの書き換えに便利です。信号レベルは5Vです。 WCH is an IC design company that designs chips based on self-developed professional interface IP and microprocessor IP. Some functions can be customized. 3821. Mar 12, 2024 · 目次 [閉じる] CH340Eを使ったUSBシリアル変換モジュールを自作する！ CH340Eを使った回路設計 JLCPCBに基板発注 CH340E USB to TTL Module (Gerber) パーツの実装【追記】FT232RLを使ったUSB-シリアル変換モジュールも作ってみました！最後に！ Jul 30, 2023 · 1 背景（お急ぎの方は2章へ）社会人になり、正式にハードウェア開発者として働き始めてから早数カ月が経ちました！先輩社員の凄すぎる技術を日々見ていくうちに私も自作で技術を伸ばしていきたと感じています。その一つとしてArduinoの自作を始めてみました。単に作るのではつま CH340E TSSOP-10 (Notice pitch is 0. CH340E USB-Serial Adapter Let me know when this item is back in stock! Currently out of stock, but that doesn't mean it is gone for good! Enter your email address below and we'll email you when it is back in stock. The CH340E has a built in crystal. In serial UART mode, CH340E provides Nov 8, 2017 · WCH, a Chinese integrated circuits manufacturer, has just released a new serial to USB chip called CH340E. 0 to Serial Converter IC - MSOP-10 Datasheet The USB to Serial CH340E IC is a USB bus conversion chip, it can realize USB to UART interface or USB to printer interface. CH340C, CH340E and CH340B chip have built-in clock generator, no external crystal and oscillating capacitor required. Simulate standard serial port, used to upgrade original serial port peripherals, or add additional serial ports through USB. 3V 供电时的IO 耐受5V 特性。 CH340X 的6# 引脚如果外加电阻可以将6# 引脚从TNOW 切换为DTR#, 两种配置详见5. Find out which one you should choose. It operates at baud rates up to 2 Mbps with full USB 2. USB转换芯片 CH340E由WCH (南京沁恒)设计生产，立创商城现货销售，正品保证，参考价格￥2. The Data Sheet of CH340 (the first) 4 WCH is an IC design company that designs chips based on self-developed professional interface IP and microprocessor IP. 16.

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