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( 8 )
file category file content version upload time
DataSheet
CH9344DS1.PDF CH9344 datasheet, USB to quad serial ports, supports up to 12Mbps baud rate and hardware flowcontrol, provides RS485 direction control and GPIO and other signal pins, which can expand UART for computer or upgrade directly common serial device or MCU to USB bus. 1.3 2021-11-18
Development Source
CH9344EVT.ZIP CH9344 evaluate board manual, schematic and PCB. Used for USB to Quad UARTs, implements extended UARTs on PC and other platforms, or upgrade serial devices to USB port. 1.0 2018-11-01
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
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
COMTransmit.ZIP Serial port debug software for Windows. Integrates UART functions and various common tools, supports multi-serial port communication, UART intercommunication test, file sending and receiving, input and display of string and hexadecimal data, debug of module frame format etc. 1.4 2023-03-03
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