PL2303SA USB to Serial Bridge Controller Datasheet

TX/RX Only SOP8 Package

Run PL2303 CheckChipVersion tool program in Windows XP/Vista/7 to check chip version. Windows XP, 2000, 98 and Windows ME driver technical support is discontinued. Prolific recommends to use PL-2303HXD (HX Rev D) or PL2303TA chip. Prolific Full-Speed USB to Serial bridge controller PL-2303HX (Chip Rev A) and PL-2303X (Chip Rev A) will be phased out (EOL) at the end of October, 2012. Both will be replaced by the new PL2303TA which is pin-to-pin compatible with PL-2303HXA and PL-2303XA PCB. Please refer to the PL2303TA PCN, Datasheet, and Migration Guide for more information. The 2.0.3 version of PL2303 Windows Driver is provided as a free download on our website. This download was checked by our built-in antivirus and was rated as virus free. The software is sometimes distributed under different names, such as 'PL-2303 USB-to-Serial'. The software is categorized as System Utilities. Com Port Driver PL2303 for Windows 8.1 (64-bit) - ThinkCentre M93, M93p, M92, M92p, M72e. Drivers for the Plugable USB serial adapter using an authentic Prolific chipset, model PL2303-DB9.

Do not install or use any software from Prolific website until you have read and accepted all of the license terms.

This resource is for PL2303SA USB to Serial/UART Bridge Controller (8-pin), EOL. Click download to view the document.

Mac OS X Universal Binary Driver v1.6.2 (PKG file format)

For Mac OS X 10.15 Catalina (64-bit)
For Mac OS X 10.14 Mojave (64-bit)
For Mac OX X 10.13 High Sierra (64-bit)
For Mac OS X 10.12 Sierra (64-bit)
For Mac OS X 10.11 El Capitan (64-bit)
For Mac OS X 10.10 Yosemite (64-bit)
For Mac OS X 10.9 Mavericks (64-bit)
For PL2303 H/HX/HXD/EA/RA/SA/TA/TB chip versions
For Prolific USB VID_067B&PID_2303 Only
Includes Driver Installation Manual
NOTE: Mac OS High Sierra 10.13 introduces a new feature that requires user approval before loading new third-party kernel extensions. Go to System Preferences - Security & Privacy and click Allow. https://developer.apple.com/library/content/technotes/tn2459/_index.html

This resource is for PL2303SA USB to Serial/UART Bridge Controller (8-pin), EOL. Click download to view the document.

NOTE: No need to install drivers for following:
Linux Kernel 2.4.31 and above already includes built-in drivers for PL-2303 (VID_067B&PID_2303).
NOTE: Google Android OS is also based on Linux kernel so it also includes PL2303 drivers.
Driver Source:
http://lxr.free-electrons.com/source/drivers/usb/serial/pl2303.c
http://lxr.free-electrons.com/source/drivers/usb/serial/pl2303.h
Kernel (go to driversusbserial folder):
http://www.kernel.org/pub/linux/kernel/

PL-2303 WinCE 4.2-5.2 Driver for ARM:xScale Processor Standard SDK

Also for Windows Mobile 6, Windows Mobile 5, PocketPC 2003. NOTE: WinCE 6.0 standard driver is not available, please email request for driver customization. SDK image file must be provided.

This resource is for PL2303SA USB to Serial/UART Bridge Controller (8-pin), EOL. Click download to view the document.

Requirements:
———————
- USB Device with PL2303HXD, PL2303EA, PL2303RA, PL2303SA controller chip NOTE: PL2303HXA, PL2303XA, PL2303TA chips are not supported (Discontinued Products)
- Android-Powered Device (Tablet/Phones) with USB Host Mode Support
- Android 3.2 and above OS versions
SDK Package includes following:
————————————————————————————————————–
1. PL2303 Sample Test Android App Software (supports Android 5.0)
- Single port (PL2303HXDSimpleTest.apk)
- Modem Status/Flow Control (PL2303HXDModemStatus.apk)
- GPIO Control (PL2303GPIOActivity.apk)
- Multi-port (PLUartMultiSimpleTest.apk)
2. PL2303 Android Demo Apps Users Manual
3. PL2303 Android Sample App Source Code
4. PL2303 Android Java Driver Library (supports Android 5.0)
5. PL2303 Android App Development Reference Documents
6. PL2303 Android USB Host Device Compatible (Tested) List
Also download Android App from GooglePlay Store: Prolific PL2303 USB-UART

How to Connect PL2303 Device to Android Tablets & Phones

This resource is for PL2303SA USB to Serial/UART Bridge Controller (8-pin), EOL. Click download to view the document.

File Name Release Date Version File Size
PL23XX_Prolific_DriverInstaller_v204.zip 2020/12/08 2.0.4 10782.28KB
Windows Driver Installer Setup Program
(For PL2303 HXD, SA, TA, TB, RA GC, GS, GT, GL, GE , GD, GR versions)
Installer version & Build date: 2.0.4 (2020-12-08)
- Windows 10 Certified WHQL Driver (TH1 1507, TH2 1511, RS1 1607, RS2 1703, RS3 1709, RS4 1803,RS5 1809,19H1 1903, 19H2 1909, 20H1 VB versions)
Windows Vista/7/8.1/10 (32 & 64-bit) WDF WHQL Driver: v3.8.31.0 (07/30/2019) / v5.0.15.0 (04/06/2020)
- - Windows 10 Certified WHQL Driver (TH1 1507, TH2 1511, RS1 1607, RS2 1703, RS3 1709, RS4 1803,RS5 1809,19H1 1903, 19H2 1909, 20H1 VB versions)
- Windows Vista, 7, 8.1 Certified WHQL Driver
- Compatible with Windows Server 2016, Server2008, 2008R2, 2012, 2012R2
- Auto-download driver via Windows Update (Windows 7, 8.1, 10)
Windows XP (32 & 64-bit) WDM WHQL Driver: v3.8.31.1 (07/30/2019) / v5.0.15.1 (04/06/2020)
- Windows XP Certified WHQL Driver
- Compatible with Windows 2000SP4 & Server2003
- Installer Language Support: English (default), Chinese (Traditional and Simplified), Japanese
- For Prolific USB VID_067B&PID_2303, PID_2304, PID_23A3, PID_23B3, PID_23C3,PID_23D3,PID_23E3,PID_23F3,PID_2323.
- Includes Certification Report, User Manual, Driver Release Notes, CheckChipVersion Tool
- Installer supports silent install (add '/s' parameter when running program)

Prolific PL-2303 Code 10 Fix

Prolific USB To Serial Driver 'Code 10' Fix!

New Version 1.82, 04/09/18

Windows 32 and 64-bit Operating Systems - Prolific PL-2303 Driver Fix (VID_067B&PID_2303)

For Windows XP, Windows 7, Windows 8, Windows 8.1 and Windows 10!

'This Device cannot start (Code 10)'

'No driver installed for this device'

'Device driver was not successfully installed'

The Internet is full of web pages discussing this problem, and hardly anyone really seems to understand why it's happening. Even the companies selling these USB to Serial adapters and cables appear to be either dumbfounded or have selective amnesia. After all, it's absolutely great for business. Unfortunately there are hundreds of legacy devices that can no longer be used on newer computers running Windows 7, 8, 8.1, or 10. There are many 'backyard' fixes out there, but none of them are done properly and if they work it's just a temporary 'Band-Aid' to the problem. It will come back to haunt you.

What has happened is that there have been counterfeit 'Prolific' chips coming from China. The counterfeit chips use the same Vendor ID (VID_067B) and Product ID (PID_2303) as the authentic Prolific chips. So, Prolific made a new chip and dropped all support for the old one thereby rendering the counterfeit chips unusable. Unfortunately, it renders hundreds of legacy

Prolific Pl2303hx Driver