2 serial ports in AN2131

Question: I need 2 serial ports on the AN2131.The device has a standard serial port how do I generate the second serial port.

 

Answer:

The 8051 core provides two serial ports.Serial Port 0 is identical in operation to the standard 8051 serial port.Serial Port 1 is identical to serial port 0, except that Timer 2 cannot be used as the baud rate generator for Serial Port 1.