Installation of the PL2303 and CH340 / CH341 / HL340 drivers is easy.Simple open the OS X installer and follow the steps.
USB RS232 - FTDI designs and supplies USB semiconductor devices with Legacy support including royalty-free drivers. Application areas include USB RS232, ( USB Serial ), USB Parallel, USB Docking Stations, and upgrades of Legacy designs to USB. Resources for Your Products. Please contact us if you cannot find the driver or manual you are looking for and we will be glad to help you find it. You can also try going to the product page for this and other documentation on your product. Drivers & Manuals. Please be warned that counterfeit (fake) PL-2303HX (Chip Rev A) USB to Serial Controller ICs using Prolific's trademark logo, brandname, and device drivers, were being sold in the China market. Counterfeit IC products show exactly the same outside chip markings but generally are of poor quality and causes Windows driver compatibility issues.
Step 1 - Download Driver¶
Install Drivers For Usb Port
Download the driver for your OS X version from the download dashboard:
Step 3 - Start screen¶
Step 4 - Select install location¶
Default is most times the right choice.
Step 6 - Driver has been installed¶
Step 7 - Check¶
Driver For Mac Usb To Serial Converter
When the driver has been installed, you can check if it has been loaded.To check, connect the serial device, open Terminal and type one of thefollowing commands:
- For PL2303 device:
ls/dev/|grep2303 - For CH341 device :
ls/dev/|grepch341
The result should show the accompanying cu and tty handle.