Setup Serial Debug Enviroment on Mac OS X(EI Caption 10.11)
If your OS X version is 10.11, I suggest you use PL2303.
1. download driver from its website : http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=229&pcid=41
2. just install the pkg follow its guide.pdf
3. remember to reboot after installed.
4. use ls to test it's installed right or not
ls /dev/tty.usbserial
tip: you can also checkout your driver at System Information and find usb item. It will show something just like below if you are succeed:
5. use screen or CoolTerm to connect it. and use a wire to conncet RX and TX, test the loop is fine or not.
If your OS X version is older than 10.11, maybe CPS2102 is just fine too.
How do I know that? I buy both of them.XD
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Setup Serial Debug Enviroment on Mac OS X(EI Caption 10.11)
Page owner: 
Ted Lin
Created 10 Mar 2016.
Last updated 10 Mar 2016