User`s manual

84 RabbitCore RCM3400
B.4.4 Serial Communication
The RCM3400 Prototyping Board allows you to access five of the serial ports from the
RCM3400 module. Table B-5 summarizes the configuration options. Note that Serial
Ports E and F can be used only with the RCM3400 Prototyping Board.
Serial Port E is configured in hardware for RS-232 or RS-485 via jumpers on headers JP4
and JP8 as shown in Section B.5. Serial Port F is configured in hardware for the IrDA
transceiver or RS-232 via jumpers on headers JP6 and JP7 as shown in Section B.5.
Table B-5. Prototyping Board Serial Port Configurations
Serial Port Header Default Use Alternate Use
A J2 Programming Port RS-232
CJ5 RS-232 —
DJ5 RS-232 —
E J4, J6 RS-485 (J4) RS-232 (J6)
F IrDA, J6 IrDA Transceiver RS-232 (J6)