10. Select a COM number for the specific port from Port Number
Note! Step 11 is optional, if you want to assign COM numbers to ports manually.
11.Check Auto Enumerating COM Number
Note! You may skip Step 12 to 15, if the system doesn’t require a special performance tuning.
12.Select an Rx FIFO Trigger from Rx FIFO Trigger
Rx FIFO trigger levels, at 1, 4, 8 or 14 bytes, are available, and the default value is 14 bytes.