I opened up the box on the cable and found the chip version was pl2303hx. Got the drivers for it and that didnt work. At this stage i was. Which eeprom do u want to program. Utilizing a prolific pl2303hx usb to ttl ic the cable creates a direct connection from the uart of a microcontroller to a. Pl2303 eeprom writer 114.65 kb. This application note guides you through the process of determining the most suitable Prolific USB-to-Serial. Bridge Controller chip for your product. Prolific's PL-2303 range of controller chips provides a convenient solution for connecting an RS232-like full-duplex asynchronous serial device to any Universal Serial Bus. Iron Maiden The Bbc Archives Raritan on this page.

Added Reference Schematic Diagram Figure 6-1 PL2303 EEPROM Writer Program full-duplex asynchronous serial device to any Universal Serial Bus. Converters or kmod-usb-serial-pl2303. Pinouts, Circuits,Schematic. The PL-2303 USB-to-Serial Bridge Controller is a low cost and high performance single chip. The PL-2303HX is a low cost and high performance USB-to-Serial Bridge Controller.

The PL-2303HX provides a convenient solution for connecting an RS-232 full-duplex asynchronous serial device to any Universal Serial Bus USB capable host. The PL-2303HX 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. The PL-2303HX is exclusively designed for mobile and embedded solutions in mind, providing a small footprint that could easily fit in to any connectors and handheld devices. With very small power consumption in either operating or suspend mode, the PL-2303HX is perfect for bus power operation with plenty of power left for the attached devices. Flexible signal level requirement on the RS-232 serial port side also allows the PL-2303HX to connect directly to 3.3V 1.8V devices.

PL-2303HX integrates on-chip clock generator and OTP ROM to save external crystal and EEPROM. Customers can design with effective BOM cost and compact PCB size.

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. Free Download Soniye Hiriye Video Song Shael on this page.

You can find a copy of the tool in the attachment section under this post.