CH34xSerCfg.ZIP

The scope of application version upload time size
CH340,CH342,CH343,CH344,CH347,CH348,CH9101,CH9102,CH9103,CH9104 1.5 2023-10-12 1.92MB
USB configuration tool of CH340/CH342/CH343/CH344/CH347/CH348/CH9101/CH9102/CH9103/CH9104 for Windows, used for modifie and configure the chip's manufacturer Vendor ID, product ID, maximum current value, BCD version number, manufacturer information and product information string descriptors.
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relation files

file name file content
CH340DS1.PDF CH340 datasheet, USB bus converter chip which converts USB to serial port, printer port, IrDA SIR etc. Integrated clock, supports various operating systems, chip information can be customized, this datasheet is about USB to serial port and USB to Infrared Adapter SIR.
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.
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.
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.
CH348DS1.PDF CH348 datasheet, USB to octal serial ports, supports up to 6Mbps baud rate and hardware flowcontrol, supports USB parameters configuration, 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.
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.
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.