Pl2303 Eeprom Writer Utility Software

However, to make matters even more annoying, the PL2303 chip, which typically identifies itself as VID 067B and PID 2303, reports PID 0609 in this device, making it impossible to recognize this as a standard serial to usb converter. The easiest solution for this is to modify the drivers so that they identify also with that PID. In Linux this and as I write this PID 0609 is already associated with the pl2303 driver by default. In Windows some inf modding does the trick. Download the drivers from the, install them and use search for the file ser2pl.inf. This will typically reside in a folder containg 4 or 5 files.

You can copy this folder as one if you want to keep it as a single 'driver package'. Inside the inf, replace all occurences of of PID_2303 with PID_0609 and use the Device Manager to assign the driver to the modem.

For me, this worked in Windows XP but not in Windows 7 64 bit. After some searching around, it seems that the PL2303 can be connected to an EEPROM chip for some customisation (just like the FTDI converter chips). Any non-standard USB PID is written in there.

If you want to change it back, you need to rewrite this EEPROM. This can be done from within Windows using a tool I found on but the only prerequisite is that the device is already recognized as a PL2303 USB to Serial converter. So in my case I had to rewrite the EEPROM from within Windows XP with a modified.inf driver. Below is a screenshot of the EEPROM writer after pressing the read button on the non-modified usb modem. Just change PID to 2303 and write everything back. You can find a copy of the tool in the attachment section under this post.

The EEPROM writer program is. The USB ID Repository. The home of the usb. This is a public repository of all known ID's used in USB devices. ID's of vendors, devices, subsystems and device classes. EEPROM programmer 2303 prolific PL2303 EEPROM Writer program pl2303xeepromwriter Reprogram PL2303 eeprom. Prolific PL-2303 problems. A low cost EPROM EEPROM Flash Atmel PIC I2C SPI programmer online supplier. The GQBlaster software is designed for GQ-5X NAND programmer and GQ-5X. Motorola S record format conversion utilities. PL2303 USB-serial driver.

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For Mac OS 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. 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.

Description PL2303RA also integrates a high baud rate RS-232 transceiver that meets the EIA/TIA-232F and CCITT V.28 communications interface specifications. The RS-232 transceiver is a 3-transmitters and5-receivers device with a high-efficient charge pump circuit embedded. This high-efficient charge pump circuit with 1uF external capacitors provides the bipolar output to the transmitters, and makes the transmitters to deliver the RS-232 output voltage levels. Under normal operation, PL2303RA operates at very low power consumption with guaranteed data rate up to 1000kbps. PL2303RA also has an active-low shutdown indicating pin that can serve as a shutdown indicator for special application purposes. By taking advantage of USB bulk transfer mode, large data buffers, and automatic flow control, PL2303RA is capable of achieving higher throughput compared to traditional UART (Universal Asynchronous Receiver Transmitter) ports. The flexible baud rate generator of PL2303RA could be programmed to generate any rate between 75 bps to 1M bps.