Right click on the ‘Prolific USB-to-Serial Comm Port (COM3)’ device with the yellow exclamation mark, and select the ‘Uninstall’ option.Īnd un-plug the USB-to-Serial port cable from your computer’s USB port. Just in case if you still have problem, you can redo the USB-to-Serial port driver installation by following steps.
If your USB-to-Serial port driver is NOT correctly installed, you will see in the Device Manager window the ‘Prolific USB-toSerial Comm Port (COM3)’ device with the yellow exclamation mark as shown below. If your USB-to-Serial port driver IS correctly installed, you will still see in the Device Manager window the ‘Prolific USB-toSerial Comm Port (COM3)’ device WITHOUT the yellow exclamation mark as shown below. Plug-in the USB-to-Serial port cable into your computer’s USB port. Open ‘Control Panel’ and click on ‘Hardware and Sound’ option. Be sure to restart your computer before proceeding to your CodeWarrior project.Īfter you restart your computer, you can check to see if your USB-to-Serial port driver is correctly installed. Click ‘No’ if you need to close any other applications before the restart. You may click ‘Yes’ if you are ready to restart your computer.
Select ‘Prolific USB-to-Serial Comm Port Version: 3.0.1.0 ’ option. Select ‘Let me pick from a list of device drivers on my computer’ option. Then select ‘Update Driver Software…’ option.Ĭlick on ‘Browse my computer for driver software’ option. Right click on the ‘Prolific USB-to-Serial Comm Port (COM3).’ The ‘COM3’ may be different on your computer. Plug-in the USB-to-Serial port cable (USB port side) into your computer’s USB port. Then connect the USB-to-Serial port cable to your HCS12 board (serial port side). Now power-up your HCS12 board with the DC power plug or the USB type B plug. Please follow the procedures outlined below carefully. Now Restart your computer! Open ‘Control Panel’ and click on ‘Hardware and Sound’ option. (If you have Windows XP computer, choose ‘PL-2303 Driver Installer.exe’ file.) Double click the file to run the Installer. My computer is Windows 8, so I choose ‘PL-2303 Vista Windows 7 Driver Installer.exe’ file. First, install the USB-to-Serial port driver. Using and Installing: HCS12C128 Board, USB-to-Serial port driver, and HyperTerminal CMPEN 472, Spring 2015, Kyusun Choiĭownload from the Penn State ANGEL cmpen472 page, the USB-to-Serial port driver and HyperTerminal program, and install them.
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