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6.3.2
Infrared (IrDA) Interface
The development boards IrDA port supports Infrared communications for such applications as data
transfer between hand-held devices and printing files on infrared-enabled printers. The IrDA port
supports data transfers of up to 115.2 kbps. The IrDA port on the CS89712 is shared with UART1.
The processor can be configured to use either the standard serial port pins, or the LEDDRV and
PHDIN pins to handle infrared signals. See the CS89712 data sheet for a full explanation of this
configuration.
6.3.3
Twisted Pair Ethernet Interface (J3)
The Ethernet controller is a 10Base-T controller. A detailed discussion of the Ethernet port is beyond
the scope of this document. Developers wishing to know more should refer to the CS89712 data
sheet.
DS502UM2
CDB89712
6-3
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