==================================================
PL2303 Driver Setup Installer, Prolific Edition
Setup Installer Revision Note History
==================================================
System Requirement:
. USB 1.1/2.0/3.0 Host Controller
. Device using PL2303HXA/XA/HXD/EA/RA/SA/TA/TB version chips
. Supports the following Windows OS Family (32 and 64 bit):
- Windows 2000 SP4
- Windows XP SP2 and SP3
- Windows Server 2003
- Windows Vista
- Windows Server 2008
- Windows 7
- Windows Server 2008R2
- Windows 8
- Windows Server 2012
- Windows 8.1
- Windows Server 2012R2
- Windows 10
NOTE:
- Windows 8/8.1/Server2012/Server2012R2 and Windows 10 are NOT supported in PL2303HXA/XA EOL chip versions (discontinued).
- Download latest PL2303 CheckChipVersion tool program to check chip version in Windows 7. (Or ask your cable vendor)
- Prolific recommends cables with PL2303HXD or PL2303TA chip.
- Windows 98/ME/2000/XP driver technical support are discontinued.
Supported device ID and product strings:
. VID_067B&PID_2303 for "Prolific USB-to-Serial Comm Port" (PL2303 series)
. VID_067B&PID_2304 for "Prolific USB-to-Serial Comm Port" (PL2303TB chip)
Driver Versions:
-------------------
- WDM WHQL Driver: v2.1.51.238 (10/22/2013) - for Windows 2000/XP/Server2003
- WDF WHQL Driver: v3.6.81.357 (09/04/2015) - for Windows Vista/7/8/8.1/10; Server2008/2008R2/2012/2012R2
Release Notes:
---------------
PL2303 Driver Installer v1.12.0
Installer & Build date: 1.12.0 (2015-10-07)
GUID:ECC3713C-08A4-40E3-95F1-7D0704F1CE5E
. Fixed cannot uninstall driver properly if cable is attached.
=====================================================================
Windows WDF WHQL Driver v3.6.81.357 (09/04/2015):
=====================================================================
Driver Change from v3.6.78.350 (Driver Installer v1.11.0):
------------------------------------------------------------------
. Fixed timing delay issue.
Driver Change from v3.4.67.325 (Driver Installer v1.10.0):
------------------------------------------------------------------
. Fixed customer BSOD issue when plug in USB 3.0 host controller under Windows 8.1.
. Supports GPIO default value configuration in external EEPROM or OTPROM using EEWriter v2.1.0.0.
. Passed Windows 10 logo certification (HLK).
Driver Change from v3.4.62.293 (Driver Installer v1.9.0):
------------------------------------------------------------------
. Fixed Win7/8 to WinXP data transfer customer issue (38400bps). Adjust timeout constant.
. Fixed problem with SecureCRT program when setting DTR/DSR flow control.
. Fixed ClearCommError issue.
. Added 5787 and 300kbps baudrate support.
. Supports "IRP_MJ_CLEANUP". Fixed customer application cannot re-open COM port after closing port.
. Improve device enumeration when PC reboots and device is plugged in.
Driver Change from v3.4.48.272 (Driver Installer v1.8.0 & 1.8.19):
------------------------------------------------------------------
. Driver will delay 1.5ms when AP execute GET_MODEMSTATUS.
. Fixed teraterm timeout/slow response issue.
. Fixed GPIO 2 & 3 function for HXD chip.
. Add 3250000bps baud support.
. GPIO 2,3 set as default input pin.
. Add auxiliary GPIO 4~7 driver support for HXD chip.
. Fixed modem issue (Disable SerialWdmFileRead).
. Add 256000 bps baud support for PL2303TA/TB.
. Fixed customer VB AP issue.
. Improve Serial Mouse enumeration.
Driver Change from v3.4.36.247 (Driver Installer v1.7.0):
----------------------------------------------------------
. Fixed 110 bps on PL2303RA/SA/EA/TA/TB.
. Modify CheckChipVersion API (do not lock VID/PID).
. Fixed HXD chip is detected as HXC chip when BCD is written as 0300 instead of 0400.
. Added 80bps baud support.
. Fixed GPS device will be detected as MS Serial Ballpoint device.
. Fixed driver conflict with different VID/PID device. (STATUS_OBJECT_NAME_COLLISION)
. Fixed Teraterm loopback timeout issue.
Driver Change from v3.4.31.231:
------------------------------
. Fixed Putty/HTerm BSOD issue in Win7 64-bit. (for HXD chip only)
. Fixed HyperTerminal timeout issue when transferring large file. (for HXD chip only)
. Fixed Windows HCK logo test for Windows 8, 7, Vista WHQL driver.
Driver Change from v3.4.25.218:
------------------------------
. Added driver support for new chip versions (PL2303EA, RA, SA).
. Supports new CheckChipVersion v1.0.0.2 and above program for checking all Prolific chip version.
. Fixed COM Port won't disappear when unplug PL2303 during data transfer (Write Timeout issue).
. Fixed Putty program BSOD issue on continuous transfer at 115200bps.
. Fixed 12Mbps baudrate support for PL2303TB chip version.
. Does NOT support Windows 8 for EOL chip versions (PL2303H, PL2303HXA, PL2303XA).
. For Windows 8: use PL2303HXD, PL2303TA, PL2303EA, PL2303SA, PL2303RA, PL2303TB.
Driver Change from v3.3.17.203:
------------------------------
. Added driver support for Prolific next-gen USB-to-Serial chips (Codename TA/TB).
- old driver will not work on baudrates higher than 115200bps.
. No driver functional difference for current H/HX/X chip versions.
Driver Change from v3.3.11.152:
------------------------------
. Use different service name in INF file to avoid driver conflict with XP INF driver.
- change line in INF file to {Serial.SVCDESC = "Prolific Serial port WDFdriver"}
. Added USB Selective Suspend power saving feature requested by Notebook PC vendors.
- Chip will go to sleep mode when idle for 10 seconds and COM port not open.
- Chip will NOT go to sleep mode when COM port is OPEN.
- requires to write Remote Wakeup in external EEPROM.
. Modify "SerialUndoExternalNaming" routine.
- Fix COM port is not removed in registry when device is unplug and program still open.
- update registry HKEY_LOCAL_MACHINE\HARDWARE\DEVICEMAP\SERIAL COMM when unplug and replug.
. Added support for TransmitCommChar() function.
. Added SpinLock function to fix customer GPS application.
================================================================
Windows WDM 2000/XP/Server2003 Driver v2.1.51.238 (10/22/2013)
================================================================
Beginning September 2014, Windows XP driver will not be updated anymore.
Driver Change from v2.1.44.226 (Driver Installer v1.8.0 & 1.8.19):
------------------------------------------------------------------
. Driver will delay 1.5ms when AP execute GET_MODEMSTATUS.
. Fixed GPIO 2 & 3 function for HXD chip.
. Add 3250000bps baud support.
. GPIO 2,3 set as default input pin.
. Add auxiliary GPIO 4~7 driver support for HXD chip.
. Add 256000 bps baud support for PL2303TA/TB.
. Improve Serial Mouse enumeration.
. Fixed WHQL test using HCK 2.0.
Driver Change from v2.1.35.211 (Driver Installer v1.7.0):
---------------------------------------------------------
. Fixed 110 bps on PL2303RA/SA/EA/TA/TB.
. Modify CheckChipVersion API (do not lock VID/PID).
. Fixed HXD chip is detected as HXC chip when BCD is written as 0300 instead of 0400.
. Added 80bps baud support.
. Fixed GPS device will be detected as MS Serial Ballpoint device.
. Fixed Disable-Enable device issue in Windows 2000 Device Manager.
Driver Change from v2.1.30.193:
------------------------------
. Fixed write timeout intermittent issue (COM port won't disappear) during USB surprise removal.
. Fixed new Windows HCK logo test for XP WHQL driver.
Driver Change from v2.1.27.185:
------------------------------
. Added driver support for new chip versions (PL2303EA, RA, SA).
. Supports new CheckChipVersion v1.0.0.2 and above program for checking all Prolific chip version.
. Fixed
嵌入式,PL2303-win11驱动程序

嵌入式技术是计算机科学的一个重要分支,它涉及到在各种设备和系统中集成微处理器和软件,以实现特定的功能。在本案例中,我们关注的是一个特定的硬件接口芯片——PL2303,它是旺玖公司生产的一种USB到串行桥接芯片,常用于数据通信、调试和设备控制等应用。
PL2303驱动程序是操作系统与PL2303芯片之间的桥梁,它允许Windows系统识别并正确通信。然而,根据标题和描述,存在一个问题,即PL2303的驱动程序可能不兼容最新的Windows 11操作系统。这意味着用户在尝试在Win11系统上使用PL2303设备时可能会遇到问题,如设备无法识别或功能受限。
为了解决这个问题,我们可以探索几种可能的解决方案:
1. **寻找兼容的驱动**:用户应检查旺玖官方网站或其他可靠的来源,看是否有更新的驱动程序版本,特别针对Win11优化。提供的压缩包中的"PL2303_Prolific_DriverInstaller_v1.12.0.exe"可能是这样的更新版本,用户可以尝试安装这个版本的驱动来解决兼容性问题。
2. **回滚驱动**:如果新版本的驱动仍然存在问题,用户可以在设备管理器中尝试回滚到先前的驱动版本,看看是否能正常工作。
3. **使用通用驱动**:有些操作系统提供通用串行总线(USB)驱动,可能能够识别PL2303芯片,尽管这可能不是最优化的解决方案。
4. **手动安装驱动**:对于非旺玖原装的PL2303芯片,可能需要手动查找兼容的第三方驱动,或者利用"PL2303CheckChipVersion_ReadMe.txt"和"checkChipVersion_v1006.exe"这些工具来检测芯片版本,并根据检测结果找到合适的驱动。
5. **查阅文档**:"PL2303_DriverInstallerv1.12.0_ReleaseNote.txt"和"PL2303 Windows Driver User Manual v1.12.0.pdf"是重要的参考资料,它们包含了驱动的详细安装指南和使用说明,用户应仔细阅读以获取解决办法。
6. **社区求助**:如果以上方法都无效,用户可以参考提供的博客链接"http://t.csdn.cn/Yvdu0",或者在相关的技术论坛如CSDN上发帖求助,与其他开发者交流经验,寻求解决方案。
7. **虚拟机或双启动**:如果在Win11上无法解决驱动问题,一种权宜之计是使用虚拟机运行其他支持该驱动的操作系统,或者在另一台电脑上建立双启动系统,以便在兼容的系统环境下使用PL2303设备。
解决PL2303驱动在Win11上的不兼容问题需要多方面的尝试和研究。用户应充分利用所有可用的资源,包括官方驱动、第三方驱动、社区支持以及硬件检测工具,来确保设备在新的操作系统环境下的正常运作。

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