a000298_approval, dave_user
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UARTs provides serial communication capability with external devices and support NRZ encoding format, RS485 compatible 9 bit data format and IrDA-compatible infrared slow data rate (SIR) format.
The UART port supports the following standards and features:
* High-speed TIA/EIA-232-F compatible, up to Mbit/s
* Serial IR interface low-speed, IrDA-compatible (up to 115.2 Kbit/s)
* 9-bit or Multidrop mode (RS-485) support (automatic slave address detection)
* 7 or 8 data bits for RS-232 characters, or 9 bit RS-485 format
* 1 or 2 stop bits
* Programmable parity (even, odd, and no parity)
* Hardware flow control support for request to send (RTS_B) and clear to send (CTS_B) signals
* Two independent, 32-entry FIFOs for transmit and receive
===Pin mapping===