It supports a free-installation operating system built-in CDC driver or multi-functional high-speed VCP manufacturer driver.
CP2104 USB TO UART DRIVER SERIAL
Its original serial applications are compatible without any modification.A built-in firmware, which emulates a standard UART interface, is used to upgrade the original serial peripherals or expand additional serial UART via USB.Serial port interface I/O powered independently, supports 5V, 3.3V, 2.5V, 1.8V power supply voltage.A full-speed USB device interface, USB 2.0 compatible.The features of the chip gotten from its datasheet are given below: image source: Features and Specifications This is a big reason it should be a favorite chip to makers, DIY users, and hobbyists alike.
For makers, these extra pins make an advantage allowing for more peripheral expansion. Going further, when compared to CP2104, apart from lower cost, the CH9102F has 6 GPIO pins while the former has 4 GPIOs with similar pin-outs. It features an EEPROM, configurable with chip VID, PID and other relevant parameters that can be seen on its datasheet. The CH9102F comes as a 4x4mm ultra-small square with 24 pins, supporting 485 direction control, a built-in crystal oscillator, built-in power-on reset, and a USB 2.0 interface. The chip is also compatible with modem interface signals: CTS, DSR, RI, DCD, DTR and RTS, defined and controllable by computer/user application which makes it a versatile and flexible chop for professional and DIY projects. The chip supports an operating voltage of 3.3 – 5V and serial port I/O interface signals of 1.8 – 5V range, as well as support RS232 and RS485 interfaces. The CH9102F is a CH9102 family of USB to single serial port chips that features a full-duplex serial port, transceiver buffer, and a maximum baud rate of 4Mbps. CH9102F, a low-cost USB to high-speed serial port chip manufactured by Nanjing Qinheng Microelectronics, is one of such. As the applications of USB interfaces on computers, MCU boards, devices, and other I/O peripherals increases, there’s a parallel increase in demand for cost-effective and high-power USB bus converters for serial and parallel interfaces.
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