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DB9 male connector UART1 (P5)
Pin No. Symbol
2 RxD
3 TxD
5 GND
The serial port is configured as a standard 3-wire interface. Cross female to female cable is needed for
connection with PC computer COM port.
3-pin serial connector UART0 (J14)
Pin No. Symbol
1 RxD
2 TxD
3 GND
The serial port is configured as a standard 3-wire interface.
iSYSTEM, December 2005 7/16