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file category file content version upload time
DataSheet
CH347DS1.PDF CH347 datasheet, 480Mbps high-speed USB to UART, I2C, SPI and JTAG, supports drivers on Windows/ Linux/ Android /macOS, used to high-speed USB to UART, USB to SPI, USB to IIC, USB to JTAG 1.3 2023-09-20
CH9140DS1.PDF CH9140 datasheet. BLE to UART bridge controller, supports BLE master-slave integrated mode and slave mode, can realize automatic connection or binding in BLE master-slave mode. The computer end provides BLE virtual serial port driver, compatible with common serial application program and serial port debug tools. CH9140 realizes wireless UART and UART extension, without secondary development. 1.2 2021-11-29
CH341DS1.PDF CH341 datasheet, USB bus converter chip with multiple communication interfaces, such as USB to serial port/parallel port/printer port/I2C interface etc. Drivers support for Windows/Linux/Android/Mac, etc. The datasheet is the description of USB to serial port and printer port. 3.3 2021-07-03
CH592DS1.PDF Information change in the download page (Software introduction/application scope):CH591 and CH592 datasheet, CH592 is a RISC-V MCU microcontroller with integrated BLE wireless communication. On-chip integration of 2Mbps BLE communication module, full-speed USB host and device controller and transceiver, segment LCD driver module, SPI, 4 serial ports, 12-channel ADC, TouchKey detection module and other rich peripheral resources. 1.6 2024-02-27
CH9328DS1.PDF CH9328 datasheet, serial port to USB HID keyboard, serial port to receive data, according to HID keyboard device specification, upload to computer via USB bus, no need to install driver. 1.6 2021-11-18
CH454DS1.PDF CH454 datasheet. CH454 is used for display driver of 16-segment LED displays or 8 alphanumeric displays and for keyboard scan control, supports 17 segments x 7 digital tubes, 16 segments x 8 digital tubes and 8 segments x 16 digital tubes. 1.5 2021-11-19
CH317DS0.PDF CH317 datasheet, USB2.0 extender control chip, for USB more than 100 meters extension, support HUB extension, pure hardware solution, no driver installation. 2.1 2023-07-03
CH643DS0.PDF RGB display driver microcontroller CH643 datasheet, based on the QingKe RISC-V core, supporting USB, PD , type C fast charging, 1-wire protocol, 48 PWMs, 288 RGB LEDs and providing ADC, OPA , SPI and UART, etc. 1.2 2023-06-30
BLE2U.PDF BLE2U manual. A BLE/UART/USB transmission module. The BLE2U implements data transmission between BLE, USB and UART. It supports BLE master-slave mode, slave mode and master mode. BLE4.2 is supported. Available PC-side USB and BLE virtual serial port driver, which is compatible with common serial applications and serial port debug tools, with no secondary development required, implementing transmission between 3 "serial ports". 1.3 2022-07-01
CH643RM.PDF Information change in the download page (Software introduction/application scope): CH643 series reference manual, developed for the user's application, provides detailed information on the use of CH643 for products with different functional resources and packages in the series. 1.6 2024-03-12
CH579DS1.PDF CH579 datasheet. A microcontroller with 32-bit Cortex-M0 core for BLE wireless communication. It provides 250K ROM and 32K SRAM, and the minimum power is 0.2uA. It integrates with Ethernet controller and transceiver, full-speed USB host and device controller and transceiver, segment LCD driver module, 12-bit ADC, touch-key detection module, RTC, etc. It also provides Ethernet and Bluetooth Low Energy protocol stack and API. 2.1 2023-01-31
CH641DS0.PDF PD wireless charging MCU datasheet, CH641 is based on QingKe RISC-V core, 1-wire SDI, built-in PD PHY, BC interface, differential current sampling, motor PWM, single chip built-in 12V high-voltage IO driver MOS, supports typeC fast charging, provides overvoltage and overtemperature protection. 1.4 2024-03-12
CH9141DS1.PDF CH9141 datasheet. BLE and UART bidirectional transparent transmission chip, supports BLE and UART interface configuration, provides IO, ADC and other functions. It is convenient for serial device to realize BLE connection. The computer end provides BLE virtual serial port driver, compatible with common serial application program and serial port debug tools. CH9141 realizes wireless UART and UART extension, without secondary development. 2.1 2021-11-29
CH343DS1.PDF CH343 datasheet, USB to single serial port, supports up to 6M baud rate, serial port signals support 5V/3.3V/2.5V/1.8V, built-in crystal oscillator. CH343 supports built-in CDC driver in operating system or multi-functional high-speed VCP manufacture driver. 1.5 2021-11-18
CH463DS1.PDF CH463 datasheet, LCD display driver chip, 16 × 8 or 12 × 4 and other LCD display driver and 35-key keyboard scanning control, support for LCD backlight 64-level adjustment, 2-wire interface, compatible with I2C. 1.0 2024-03-26
CH9101DS1.PDF CH9101 datasheet, USB to single serial port, supports up to 3M baud rate, serial port signals support 5V/3.3V/2.5V/1.8V, CH9101 provides RS485 control and GPIO signals, built-in crystal oscillator and provides SSOP28, QFN32, QFN16 and QSOP16 packages. CH9101 supports built-in CDC driver in operating system or multi-functional high-speed VCP manufacture driver. 1.4 2023-03-03
CH9103DS1.PDF CH9103 datasheet, USB to dual serial ports, supports up to 3M baud rate, serial port signals support 5V/3.3V/2.5V/1.8V, provides RS485 direction control and GPIO and other signal pins, built-in crystal oscillator, QFN40 package. Built-in Unique USB Serial Number, supports USB parameters configuration. CH9103 supports built-in CDC driver in operating system or multi-functional high-speed VCP manufacture driver. 1.1 2023-03-03
CH9102DS1.PDF CH9102 datasheet, USB to single serial port, supports up to 4M baud rate, serial port signals support 1.8~5V. CH9102 provides RS485 control and GPIO signals, built-in crystal oscillator and provides QFN24 and QFN28 packages. CH9102 supports built-in CDC driver in operating system or multi-functional high-speed VCP manufacture driver. 1.3 2022-05-24
CH462DS1.PDF CH462 datasheet. LCD display driver, as well as 128-dot LCD display drive controller. CH462 provides an on-chip clock oscillation circuit, and supports LCD operating voltage adjustment. The maximum size of supported LCD panel is 32×4. 1.2 2021-11-29
CH9326DS1.PDF CH9326 datasheet, USB HID to serial port, built-in crystal oscillator, supports built-in HID driver in operating system. 1.6 2021-11-18
CH9340DS.PDF CH9340 datasheet, USB CDC to single serial port, built-in crystal oscillator, supports built-in CDC driver in operating system. 1.0 2021-11-18
CH344DS1.PDF CH344 datasheet, USB to quad serial ports, supports up to 6Mbps baud rate, supports USB parameters configuration, provides RS485 direction control and GPIO and other signal pins. CH344 supports built-in CDC driver in operating system or multi-functional high-speed VCP manufacture driver. 1.5 2022-05-24
CH457DS1.PDF CH457 datasheet. 128-LED display driver. The CH457 dynamically drives 128 LEDs with 32-bit 4-segment structure or 16-bit 8-segment structure, and supports 2-wire/3-wire serial interface. 2.0 2021-11-29
CH342DS1.PDF CH342 datasheet, USB to dual serial port, supports up to 3M baud rate, serial port signals supports 1.8V~5V, built-in crystal oscillator. CH342 supports built-in CDC driver in operating system or multi-functional high-speed VCP manufacture driver. 1.5 2022-01-27
CH450DS1.PDF CH450 datasheet. CH450 is used for driver of 48 LEDs or 6 digital tubes and for 48-key keyboard scan control, compatible with high-speed two-wire interface. 2.0 2021-11-19
CH9143DS1.PDF CH9143 datasheet. BLE/UART/USB transceiver. The CH9143 implements data transfer among BLE, USB and UART. It supports BLE master-slave mode and slave mode, and supports BLE4.2. A PC-side virtual serial port driver is provided, compatible with common serial port applications and serial debug tools, no secondary development required, easy to implement transmission between 3 "serial ports". 1.2 2022-08-06
BLE-SER.PDF BLE-SER manual. A BLE to UART module, supports BLE master-slave mode and slave mode, and supports BLE4.2. It can implement automatic connection and binding in BLE master-slave mode. Available PC-side BLE virtual serial port driver, which is compatible with common serial applications and serial port debug tools, with no secondary development required, implementing wireless UART and UART extension. 1.4 2022-06-30
BLE-TPT.PDF BLE-TPT manual. The BLE-TPT implements bidirectional transfer between BLE and serial port, supports serial port and BLE interface configuration, and provides IO, ADC and other functions to facilitate serial devices to achieve BLE connection, the computer-side provides BLE virtual serial port driver, compatible with common serial port applications and serial port debug tools, with no secondary development required, easy to communicate with serial ports, easy to get rid of the cable limit. 1.4 2022-06-30
Driver&Tools
USBMSER.exe CH9344/CH348 USB to multi serial ports one-key installation driver for Windows, supports Windows 11/10/8.1/8/7/VISTA/XP/2000, Server 2022/2019/2016/2012/2008/2003 -32/64-bit. Microsoft WHQL/HCK Certified. Used to distribute to user with the product. 2.0 2023-10-19
CH343SER.ZIP VCP vendor driver and dll lib for Windows, supports CH342/CH343/CH344/CH347/CH9101/CH9102/CH9103/CH9104/CH9143, USB to high-speed serial port VCP vendor driver, supports Windows 11/10/8.1/8/7/VISTA/XP/2000 1.8 2023-10-12
CH367DRV.EXE CH367/CH368 Windows driver, supports 32/64-bit Windows 10/8.1/8/7/VISTA/XP, SERVER 2016/2012/2008/2003, 2000/NT4.0/ME/98, Microsoft WHQL Certified, used to distribute to the end user with the product. Supports PCIE card based CH367 or CH368. 1.2 2021-10-19
CH365DRV.EXE CH365 Windows driver which used to distribute to the end user with the product. Used for different kinds of PCI card based CH365. With Microsoft WHQL Certified, supports 32/64-bit Windows 10/8.1/8/7/VISTA/XP, Server 2016/2012/2008/2003, 2000/ME/98. 1.8 2016-09-28
CH365DRV.ZIP CH365 Windows driver and DLL dynamic library, contains INF installation file modification example. Used for different kinds of PCI card based CH365. With Microsoft WHQL Certified, supports 32/64-bit Windows 10/8.1/8/7/VISTA/XP, Server 2016/2012/2008/2003, 2000/ME/98. 1.8 2016-09-27
CH341SER.EXE CH340/CH341 USB to serial port One-Key installation VCP vendor driver for Windows, supports Windows 11/10/8.1/8/7/VISTA/XP/2000/98 3.8 2023-03-16
CH341PAR.EXE USB to JTAG/SPI/I2C/Parallel/GPIO interfaces one-key installation driver for Windows, supports CH341 for USB to SPI/I2C/EPP parallel/MEM parallel etc., supports CH347 for 480Mbps high speed USB to JTAG/SPI/I2C/GPIO etc., supports Windows 11/10/8.1/8/7/VISTA/XP/2000, Server 2019/2016/2012/2008/2003 -32/64 bit. Microsoft WHQL/HCK Certified. Used to distribute to user with the product. 2.4 2023-10-13
CH341SER.ZIP CH340/CH341 USB to serial port Windows driver, supports Windows XP/Vista/7/8/8.1/10/11/ SERVER 2003/2008/2012/2016/2019/2022 -32/64bit, Microsoft WHQL Certified, supports USB to 3-line and 9-line serial port. 3.8 2023-03-16
CH372DRV.EXE For CH372/CH375/CH376/CH378, USB driver which can be used in both built-in and external firmware modes, supports Windows 11/10/8.1/8/7/VISTA/XP/2000 3.4 2023-10-18
CH341PAR.ZIP USB to JTAG/SPI/I2C/Parallel/GPIO interfaces installation driver and DLL library for Windows, supports CH341 for USB to SPI/I2C/EPP parallel/MEM parallel etc.,supports CH347 for 480Mbps high speed USB to JTAG/SPI/I2C/GPIO etc., supports 32/64 bit Windows 11/10/8.1/8/7/VISTA/XP/2000, Server 2019/2016/2012/2008/2003. Microsoft WHQL/HCK Certified. Used to facilitate the integration of product applications. 2.4 2023-10-19
CH372DRV.ZIP For CH372/CH375/CH376/CH378, USB driver which can be used in both built-in and external firmware modes, supports Windows 11/10/8.1/8/7/VISTA/XP/2000 3.4 2023-10-19
CH367DRV.ZIP CH367/CH368 Windows driver and DLL dynamic library, supports 32/64-bit Windows 10/8.1/8/7/VISTA/XP, SERVER 2016/2012/2008/2003, 2000/NT4.0/ME/98, Microsoft WHQL Certified, used for PCIE card based CH367 or CH368. 1.2 2021-10-19
CH9340SER.EXE Driver for CH9340, supports USB to CDC serial port, supports Windows XP/Vista/7/8/8.1/10/11/ SERVER 2003/2008/2012/2016/2019/2022 -32/64bit, Microsoft WHQL Certified, for Linux/macOS/Windows 10 and above operating system use the driver built-in. Used to distribute to user with the product. 1.0 2022-05-11
CH343CDC.ZIP For CH342/CH343/CH344/CH347/CH910X/CH9143/CH9340, USB to CDC serial port driver, supports Windows 11/10/8.1/8/7/VISTA/XP/2000 1.5 2022-10-15
CH35XDRV.EXE For CH351/CH352/CH353/CH355/CH356/CH358/CH359 1.6 2019-06-14
CH38XDRV.EXE CH382/CH384 driver installation package and EEPROM configuration tool, used to distribute to the end user with the product. Supports PCIE to Dual UARTs card, PCIE to printer/ parallel port card, Dual UARTs and single parallel port card, Quad UARTs card, Quad UARTs and single parallel port card, Octal UARTs card, 28 UARTs card, etc. Supports 32/64-bit Windows 11/10/8.1/8/7/VISTA/XP 1.5 2021-10-16
CH35XDRV.ZIP For CH351/CH352/CH353/CH355/CH356/CH358/CH359 1.6 2019-06-14
CH36X_LINUX.ZIP Linux driver for CH365/CH367/CH368, application libraries and demos. 1.3 2023-10-12
CH38XDRV.ZIP CH382/CH384 driver installation package and EEPROM configuration tool, used to distribute to the end user with the product. Supports PCIE to Dual UARTs card, PCIE to printer/ parallel port card, Dual UARTs and single parallel port card, Quad UARTs card, Quad UARTs and single parallel port card, Octal UARTs card, 28 UARTs card, etc. Supports 32/64-bit Windows 11/10/8.1/8/7/VISTA/XP 1.5 2021-11-11
USBMSER.ZIP CH9344/CH348 USB to multi serial ports driver for Windows, supports Windows 11/10/8.1/8/7/VISTA/XP/2000, Server 2022/2019/2016/2012/2008/2003 -32/64-bit. Microsoft WHQL/HCK Certified. Used to facilitate the integration of product applications. 2.0 2023-10-19
CH343SER.EXE One-Key installation driver for Windows for CH342/CH343/CH344/CH347/CH9101/CH9102/CH9103/CH9104/CH9143, USB to high-speed serial port VCP vendor driver, supports Windows 11/10/8.1/8/7/VISTA/XP/2000 1.8 2023-10-11
CH34XSER_MAC.ZI... For CH340/CH341/CH342/CH343/CH344/CH347/CH9101/CH9102/CH9103/CH9104/CH9143, USB to serial port VCP vendor driver of macOS 1.8 2022-05-13
CH343CDC.EXE For CH342/CH343/CH344/CH347/CH910X/CH9143/CH9340, USB to CDC serial port driver, supports Windows 11/10/8.1/8/7/VISTA/XP/2000 1.5 2022-10-15
WCHUSBNIC.EXE USB2.0 NIC driver 1.4 2023-05-17
CH341SER_ANDROI... USB to serial port Android driver-free installation driver, application library and demos, supports CH340/CH341/CH342/CH343/CH344/CH347/CH9101/CH9102/CH9103/CH9104/CH9143, for Android OS 4.4 and above in USB Host mode, without loading Android kernel driver and without root access operation. Includes apk installer, lib library file (Java Driver), App Demo (USB to UART Demo Project SDK) 1.7 2022-11-10
CH341SER_LINUX.... Linux driver for USB to serial port, supports CH340 and CH341, supports 32/64-bit operating systems. 1.7 2023-10-12
CH341SER_MAC.ZI... For CH340/CH341/CH342/CH343/CH344/CH347/CH9101/CH9102/CH9103/CH9104/CH9143, USB to serial port VCP vendor driver of macOS 1.8 2022-11-07
CH341PAR_ANDROI... CH341 USB to SPI/I2C/GPIO interfaces Android driver-free installation driver, application library and demos, for Android OS 3.1 and above in USB Host mode, without loading Android kernel driver and without root access operation. Includes apk installer, lib library file (Java Driver), App Demo, supports USB to EPP/MEM parallel port, supports USB to synchronous serial port: I2C, SPI, etc. 1.0 2014-10-10
CH341PAR_LINUX.... Linux driver for USB to JTAG/ SPI/ I2C/ Parallel port/ GPIO etc, support CH341 and CH347, supports USB to SPI/ I2C/ EPP Parallel port/ MEM Parallel port etc, supports 480Mbps high speed USB to JTAG/SPI/I2C/GPIO etc for CH347supports 32/64-bit operating systems. 1.4 2023-10-12
CH37X_MAC.ZIP Universal USB device macOS installation driver, application library and demos, supports CH372/CH374/CH375/CH376/CH378 and CH563/CH567/CH568/CH569 MCUs in USB device mode. Supports communication with the following devices: USB3.0 Super Speed/USB2.0 High Speed/USB1.1 Full Speed. Includes driver installation and library instruction documents. 1.1 2022-01-20
CH37X_LINUX.ZIP Linux device driver and application for common USB devices, supports CH372/ CH374/ CH375/ CH376/ CH378 and CH563/ CH567/ CH568/ CH569 MCU mode of USB devices, used for internal and external firmware mode, supports 32/64-bit operating systems. 1.2 2023-03-16
CH37X_ANDROID.Z... Universal USB device Android driver-free installation driver, application library and demos, supports CH372/CH374/CH375/CH376/CH378 and CH563/CH567/CH568/CH569 MCUs in USB device mode, supports USB Host mode for Android, without loading Android kernel driver and without root access operation. Includes apk installer, lib library file (Java Driver), App Demo. 1.1 2016-09-27
Application
CH9344SER_LINUX... Linux vendor driver for CH9344/CH348 of USB to multi-serial (quad/octal) serial ports, supports 32/64 -bit OS, include installation instruction. 2.0 2023-10-12
Others
PRODUCT_GUIDE.P... Electronic selection of product selection manual, please refer to related product technical manual for more technical information. 1.4 2018-12-29
PACKAGE.PDF Common package dimensions for CH series ICs: DIP, SKDIP, SDIP, SOP, SSOP, MSOP, QFP, LQFP, QFN, ... 3.6 2023-12-20
InstallNoteOn64... Instructions for the driver after 18 years of August cannot be installed under some 64-bit WIN7 (English) 1.0 2019-01-10

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