USB to RS232 Driver

USB DriverThis is the USB to RS232 driver for the USB adapter. Also called the usb rs232 driver. In order to setup the driver you need to download the correct USB driver file and run the installer in the file. Once this has been installed you then need to reboot the computer. Once this is done plug the USB into the adapter as this is a USB to serial driver.

USB rs232 driver

 Common Problems:

Windows 2000:

  • Right-click on the “Prolific USB to Serial Port“, then click Properties.
  • Now click on “Port Settings“. Then click the “Advanced” button.
  • Always uncheck “Use automatic settings“.
  • Now select “Input/Output range“. Click on the “Change Settings” option.
  • Type “02E8-02EF” in the Value box. This value will change the port to COM 4.

If COM 4 is in use, you must choose another port. The values for each port are.

  • COM 1: 03F8-03FF
  • COM 2: 02F8-02FF
  • COM 3: 03E8-03EF
  • COM 4: 02E8-02EF

Enter the value, then click OK. Click OK again, then click Yes when the “Creating a Forced Configuration” window appears. Click OK. Initiating the configuration process, start by right-clicking on the “Prolific USB to Serial Port” and proceed to access its Properties. Transitioning to the next step, navigate towards “Port Settings“, followed by engaging with the “Advanced” button. It’s important to establish the habit of consistently unchecking the “Use automatic settings” option to ensure control over the setup.

Continuing onward, delve into the “Input/Output range” selection. This prompts the appearance of the “Change Settings” option, which serves as your gateway to further adjustments. Within this dialog, designate “02E8-02EF” as the value to be inputted in the dedicated Value box. This alteration effectively transforms the port into COM 4, catering to your desired configuration. Through this sequence of steps, a smooth transition to COM 4 is facilitated, offering a tailored and optimized setup.

PL-2303 Latest Driver

OS: Win7 / Win8.1 / Win10 / Win11

Version & Build date: 4.0.0 (2021-12-29)

The latest driver only covers certain chips and operating systems.

Requirements 

  • Your computer needs to have USB 1.1/2.0/3.0 ports.
  • This program works with devices that have specific PL2303 chips (like PL2303HX/X/EA/RA/SA/TA/TB or PL2303GC/GS/GB/GT/GL/GE, PL2323 versions).
  • You must have PL-2303 Windows Driver Installer v1.8.0 or a newer version installed on your computer.
  • Windows 7 (32 & 64 bit) + Windows 8/8.1 (32 & 64 bit) + Windows 10 (32 & 64 bit)

Please Note:

  • This program does not work with Windows 11 if your device has TA/TB chips.
  • For Windows 8, some chip versions (like HXA/XA) might not work correctly.

 

Supported Devices:

This program supports various devices identified by specific codes (VID_067B&PID_…). If your device has a different code based on PL2303 chip, it might still work.

 

How to check you chip version

  1. First, make sure you have installed PL-2303 Windows Driver Installer v1.8.0 or a newer version.
  2. Connect your PL2303 USB device to your computer and check the COM Port number in Device Manager.
  3. Run the PL2303CheckChipVersion tool and enter the COM Port number.
  4. Click the “Check” button to find out the PL-2303 chip version of your device.
See also  USB to Serial Adapter Drivers

Note that this cannot check or identify the HXA/XA chips if you’re using Windows 8 or newer versions of Windows.

 

Hardware ID

The following hardware ID’s  will work with this driver.

USB Devices USB IDs
Prolific USB-to-Serial Comm Port VID_067B&PID_2303
Prolific USB-to-GPIO/PWM Port USB\VID_067B&PID_2304 (PL2303TB chip)
FinePoint Innovations Tablet USB\VID_067B&PID_2303 P
Prolific USB-to-Serial Comm Port USB\VID_067B&PID_2304 (PL2303TB chip)
HOLUX GPS USB DEVICE USB\VID_067B&PID_2303
Prolific PL2303GC USB Serial Port USB\VID_067B&PID_23A3
Prolific I-756×1 USB\VID_067B&PID_2303
Prolific PL2303GD USB Serial COM USB\VID_067B&PID_23A3&REV_0700
Prolific USB-to-Serial Comm Port USB\VID_067B&PID_2303
Prolific PL2303GE USB Serial COM USB\VID_067B&PID_23A3&REV_0505
Prolific PL2303GS USB Serial COM Port USB\VID_067B&PID_23F3
Prolific PL2303GT USB Serial COM Port USB\VID_067B&PID_23C3
Prolific PL2303GL USB Serial Port USB\VID_067B&PID_23A3&REV_0405
Prolific PL2303GS USB Serial COM Port USB\VID_067B&PID_23F3
Prolific PL2303GB USB Serial COM Port USB\VID_067B&PID_23B3
Prolific PL2303GR USB Serial Port USB\VID_067B&PID_23A3&REV_0705
Prolific PL2303GE USB Serial COM Port USB\VID_067B&PID_23E3
Prolific PL2303GT USB Serial COM Port USB\VID_067B&PID_23A3&REV_0305
Prolific PL2303GS USB Serial Port USB\VID_067B&PID_23A3&REV_0605
Prolific PL2303GL USB Serial COM Port USB\VID_067B&PID_23D3

Windows 11 Installation

Windows 11 ( 64-bit ) WDF WHQL Driver: v3.9.1.0 (08/11/2021) / v5.2.2.0 (12/03/2021)

(For PL2303 HXD, SA, RA GC, GS, GT, GL, GE , GD, GR versions)

  • Windows 11 is NOT supported in TA/TB chip versions
  • Likewise Windows 11 Certified WHQL Driver ( 21H2 versions)
  • Auto-download driver via Windows Update (Windows 11)

Windows Vista Installation

Windows Vista/7/8.1/10 (32 & 64-bit)

Chipset –  PL2303 HXD, SA, TA, TB, RA GC, GS, GT, GL, GE , GD, GR versions

  • Windows 8 is NOT supported in HXA/XA chip versions (Error Code 10)

 

Windows 8 Supported Chips

 

PL2303GE (ESD Protection)

Likewise the PL2303GE is a USB-to-Serial bridge controller chip developed by Prolific Technology Inc.

The term “ESD protection” in the name means it’s better at handling sudden bursts of electricity that happen when charged objects touch or there’s a short circuit.

This protection is important in environments where there is a risk of static electricity buildup, which could potentially damage electronic components.

Lastly the PL2303GE is designed with additional features to safeguard against ESD events, making it suitable for applications where ESD protection is a critical consideration.

 

 

PL2303GS

Likewise the PL2303GS is another USB-to-Serial bridge controller chip from the same PL2303 family by Prolific Technology Inc.

While PL2303GS does not specifically mention ESD protection in its name, it is likely that it also includes some level of ESD protection as it is a standard consideration in modern electronic components.

Lastly the PL2303GS may have a different set of features or specifications tailored for specific applications. However, without detailed technical specifications, it’s challenging to pinpoint the exact differences beyond the ESD protection aspect.

 

 

 

PL2303RA (Built-in Transceiver)

PL2303RA is a member of the PL2303 family, which is a series of USB-to-Serial bridge controller chips developed by Prolific Technology Inc.

The “Built-in transceiver” feature means that PL2303RA has an integrated transceiver circuit. A transceiver is a device that can both transmit and receive data, making it an essential component for communication between different devices or systems.

Lastly the built-in transceiver simplifies the design of devices using PL2303RA, as it eliminates the need for an external transceiver component. This can reduce the overall complexity and cost of the system.

 

PL2303SA (SOP8 Package)

Likewise the PL2303SA is another variant within the PL2303 series, and the “SOP8 package” indicates the physical packaging type of the chip.

SOP8 stands for “Small Outline Package 8,” which refers to the physical design of the chip’s housing. SOP8 is a surface-mount package with eight leads (pins) and a small form factor. Surface-mount packages are designed to be mounted directly onto the surface of a printed circuit board (PCB) without the need for holes or leads.

Lastly the SOP8 package is commonly used in modern electronic devices due to its compact size and compatibility with automated manufacturing processes.

 

PL2303TA (PL2303HXA/XA Replacement)

Likewise the PL2303TA is designed as a replacement for PL2303HXA and PL2303XA, which are earlier versions within the PL2303 series.

The “PL2303HXA/XA replacement” designation means that PL2303TA is intended to replace these older chip versions while providing similar or improved functionality.

Lastly this replacement feature ensures backward compatibility for devices and systems originally designed with PL2303HXA or PL2303XA, allowing for an easier transition to newer hardware.

 

PL2303TB (12 GPIO)

PL2303TB is distinguished by its 12 GPIO (General Purpose Input/Output) pins.

GPIO pins are versatile digital pins that can be configured as either inputs or outputs, allowing them to interface with various sensors, devices, and peripherals.

Lastly the 12 GPIO pins provides more flexibility in connecting and controlling external components, making PL2303TB suitable for applications that require extensive digital I/O capabilities.

 

 

PL2303GC (PL2303HXD Replacement)

PL2303GC is designed as a replacement for PL2303HXD, indicating that it is intended to offer similar or improved functionality compared to the earlier PL2303HXD chip.

The “HXD replacement” designation ensures that devices and systems originally designed with PL2303HXD can transition to using PL2303GC with minimal compatibility issues.

Likewise the PL2303GC likely offers compatibility with existing drivers and software developed for PL2303HXD, making it an easier upgrade path.

 

PL2303GB

PL2303GB is a separate variant within the PL2303 series.

Likewise while the specific details about PL2303GB may not be provided in the context given, the “GB” variant might include a set of features, specifications, or intended applications that differentiate it from other PL2303 versions.

Lastly the PL2303GB would typically be chosen for its unique characteristics that address specific application requirements.

 

PL2303GT (Built-in Transceiver)

In addition the PL2303GT is a variant within the PL2303 series that features a built-in transceiver.

The “built-in transceiver” means that PL2303GT has an integrated transceiver circuit. Transceivers are essential components in communication systems as they can both transmit and receive data.

Lastly having a built-in transceiver simplifies the design of devices, as it eliminates the need for an external transceiver component. This integration can reduce complexity and costs in the design and implementation of communication systems.

 

PL2303GE (ESD Protection)

Additionally the PL2303GE is a variant within the PL2303 series that emphasizes ESD (Electrostatic Discharge) protection.

Note that the ESD protection is crucial in environments where there is a risk of static electricity buildup, which could potentially damage electronic components. PL2303GE is designed with enhanced protection mechanisms to withstand ESD events, making it suitable for applications where protection against electrostatic discharge is a critical consideration.

Likewise this feature ensures the chip’s durability and reliability in various operating conditions.

 

PL2303GS

Likewise the PL2303GS is another variant within the PL2303 series, and without specific context or details provided, it’s assumed to be A basic version without special features like built-in radios or extra protection against static electricity.

Likewise the PL2303GS likely serves as a general-purpose chip within the PL2303 series, offering basic USB-to-Serial communication. This means something can do its job well without any fancy extras..

 

 

driver download

USB to RS232 Driver

Latest Driver : Build date: 4.0.0 (2021-12-29)

 

 

Windows Generic:

Likewise if you are having problems then check if you have installed the driver correctly. This is done by doing the following on your computer to check the installation. If the USB driver has been properly installed, “Serialio.com USB Serial Port” or “Prolific USB-to-Serial COM Port” will be displayed. Lastly the you will note that this is a USB to serial driver.

Windows Vista: Start >> Control Panel >> System >> Hardware >> Device Manager

 

USB to RS232 Driver Download (Windows 7/Vista – 32bit and 64bit)

How to install and setup RS 232 on Ubuntu FT232R USB UART

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