MAX3130 interface equivalent, 3v to 5.5v / irda infrared transceiver with integrated rs-232 interface.
o Integrated RS-232 and IrDA in Single 28-Pin SSOP Package o 370µA Supply Current o IrDA 1.2 Compatible: 2.4kbps to 115kbps Data Rate o On-Board IR Encoder/Decoder Allows.
using a single UART for both infrared and RS-232 communication. The infrared transmitter input and infrared receiver out.
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