Driver can auto-download via Windows Update (Windows 7, 8, 8. Windows Vista, 7, 8, 8.1 Certified WHQL Driver Compatible with Windows 2000SP4 & Server2003 Installer version & Build date: 1.12.0 () (For PL2303 HXA, XA, HXD, EA, RA, SA, TA, TB versions) This is the Prolific website read on the driver I installed:ĭownload File: PL2303_Prolific_DriverInstaller_v1.12.0.zip July for the ones from the download page) and so Windows prefers it over them. There is a tutorial here on installation and other functions of the chip. These programmable chips are used for small projects and some devices that have been converted for USB. The problem is probably that the non-working driver is the newest (September 2021 vs. This driver will let you use USB to serial programmable devices with the ch340g/ch340c/ch314 chipsets. rs232 to usb converter driver for windows 10 free download. pl2303 windows driver download usb to uart rs232 serial. I had only one other entry, a "ser2pl.inf" version " 3.8.40.0".ĭisconnect the device, and "pnputil /delete-driver oemXY.inf" with the INF file you located in the previous step.Ĭonnect the device again, and it should work, at least, it does for me. These converter cables have either a Prolific Chipset built-in (Drivers below) or a FTDI chipset, for those driver look here: FTDI RS232 Drivers. Then "pnputil /enum-drivers", and in the output look for Prolific drivers other than the ones from the previous step. It will add the two driver packages to the driver store and tell you what oemXY.inf files it has assigned to them. What I did is this:įirst install the downloaded driver by unpacking the zip file and "pnputil /add-driver *.inf /subdirs /install" (the /install is probably not necessary) from the extracted "Win11_DCHU" directory. Getting it installed is a bit tricky, it seems. Press Windows + I to open Settings, go to Windows Update from the navigation pane, and click on Advanced options. For Prolific USB VID_067B&PID_2303, PID_2304, PID_23A3, PID_23B3, PID_23C3,PID_23D3,PID_23E3,PID_23F3,PID_2323.There is a working driver at, a bit down the page listed as "DCHU (for PC Vendors)". Before you proceed, connect the Prolific PL2303 adapter to the PC. Installer Language Support: English (default), Chinese (Traditional and Simplified), Japanese Auto-download driver via Windows Update (Windows 7, 8.1, 10) Windows Vista, 7, 8.1 Certified WHQL Driver (For PL2303 HXD, SA, TA, TB, RA GC, GS, GT, GL, GE, GD, GR versions) Once you have downloaded the driver file. The manual method is to log on to the Prolific official website and look for drivers for your device. The first fix is to find and install the latest updates for your USB to serial connectors. PL23XX_Prolific_DriverInstaller_v204.zipĘĒ.0.4đ0782.28KB Method 1 Install the Latest Updated for Prolific USB to Serial Drivers. Pin compatible with PL2303TA and PL-2303HXD.Optional external EEPROM for startup device configurations.Supports Pulse-Width Modulation (PWM) output on DTR_N, DCD_N, DSR_N, & CTS_N pins with frequency around 370Hz to 47KHz and duty cycle from 1/256 to 255/256.Supports USB Selective Suspend (Run-Time Power Management).Supports TXD-RXD Access LED display control using PI_0/P1_1pins.– Programmable baud rate from 75 bps to 6,000,000 bps – Parity error, frame error, and serial break detection The PL2303GC is a low cost and high performance USB-to-Serial Bridge Controller. – Six MODEM control pins (RTS, CTS, DTR, DSR, DCD, and RI) – Full-duplex transmitter and receiver (TXD and RXD) On chip USB 1.1 transceiver, 5V to 3.3V regulator, and 12 MHz crystal oscillator.Full Compliant with USB Specification v2.0 (Full-Speed).With very small power consumption in either operating or suspend mode, the PL2303TB is perfect for bus powered operation with plenty of power left for the attached devices. The PL2303TB supports up to 12 GPIO pins including RS232 accessing LED, PWM and multiple clock output functions. The PL2303TB highly compatible drivers could simulate the traditional COM port on most operating systems allowing the existing applications based on COM port to easily migrate and be made USB ready.
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