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RS-232
—Three 3-wire serial ports or one 5-wire RS-232 serial port and one 3-wire
•
serial port are available on the Prototyping Board at header J2. A jumper on header JP2
is used to select the drivers for Serial Port E, which can be set either as a 3-wire RS-232
serial port or as an RS-485 serial port. Serial Ports C and D are not available while the
IrDA transceiver is in use.
A 10-pin 0.1-inch spacing header strip is installed at J2 allows you to connect a ribbon
cable that leads to a standard DE-9 serial connector.
—One RS-485 serial port is available on the Prototyping Board at shrouded
•
RS-485
header J1. A 3-pin shrouded header is installed at J1. A jumper on header JP2 enables
the RS-485 output for Serial Port E.
—An infrared transceiver is included on the Prototyping Board, and is capable of
•
IrDA
handling link distances up to 1.5 m. The IrDA uses Serial Port F—Serial Ports C and D
are unavailable while Serial Port F is in use.
—A 2032 lithium-ion battery rated at 3.0 V, 220 mA·h, provides
•
Backup Battery
battery backup for the RCM3700 SRAM and real-time clock.
RabbitCore RCM3700 User's Manual
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