IEI Integration NANO-LX v1.21 - Manual (Page 133)

NANO-LX EPIC SBC
Page 118
IrDA IrDA is set as the IR serial mode. If this option is
selected, COM2 will be disabled.
ASKIR ASKIR is set as the IR serial mode. If this option is
selected, COM2 will be disabled.
Normal (Default) COM2 is enabled and the IR device disabled.
x RxD, TxD Active [Hi,Lo]
The RxD, TxD Active option can only be selected if the UART Mode Select option is set
to IrDA mode or ASKIR mode. Use the RxD, TxD Active option to set the infrared
reception (RxD) and transmission (TxD) polarity. The RxD, TxD Active options are:
Hi, Hi
Hi, Lo (Default)
Lo, Hi
Lo, Lo
x IR Transmission Delay [Enabled]
Use the IR Transmission Delay option to enable or disable IR transmission delays.
Disabled IR transmission are not delayed.
Enabled (Default) IR transmission are delayed.
x UR2 Duplex Mode [Half]
Use the UR2 Duplex Mode option to specify the transmission mode for the IR port device.
Full Simultaneous bi-directional transmission occurs.
Half (Default) Transmission only occurs in one direction at a time.
x Use IR Pins [IR-Rx2Tx2]
Use the Use IR Pins options to specify how the IR pins respond. The Use IR Pins options
are:
RxD2,TxD2