User manual

107 Appendix B
B.6 RS-232 Serial Port (COM3-4)
Table B.6: RS-232 serial port (COM3-4)
Pin Signal Pin Signal
P1 UART3_#DCD P11 UART4_#DCD
P2 UART3_#DSR P12 UART4_#DSR
P3 UART3_SIN P13 UART4_SIN
P4 UART3_#RTS P14 UART4_#RTS
P5 UART3_SOUT P15 UART4_SOUT
P6 UART3_#CTS P16 UART4_#CTS
P7 UART3_#DTR P17 UART4_#DTR
P8 RIC P18 RID
P9 GND P19 GND
P10 GND P20 GND