UARTs
================

+-----+-----------+------------------------------+-------+-----+
| Pin | Signal    | Description                  | type  | I/O |
+=====+===========+==============================+=======+=====+
| 59, | UART1_TXD | Transmit Data output signal  | VDDIO | O   |
| 63, | UART2_TXD |                              |       |     |
| 67  | UART3_TXD |                              |       |     |
+-----+-----------+------------------------------+-------+-----+
| 60. | UART1_RXD | Receive Data input signal    | VDDIO | I   |
| 64. | UART2_RXD |                              |       |     |
| 68  | UART3_RXD |                              |       |     |
+-----+-----------+------------------------------+-------+-----+
| 61, | UART1_RTS | Request to Send input signal | VDDIO | I   |
| 65, | UART2_RTS |                              |       |     |
| 69  | UART3_RTS |                              |       |     |
+-----+-----------+------------------------------+-------+-----+
| 62, | UART1_CTS | Clear to Send output signal  | VDDIO | O   |
| 66, | UART2_CTS |                              |       |     |
| 70  | UART3_CTS |                              |       |     |
+-----+-----------+------------------------------+-------+-----+

UART Example diagram
----------------------------------------------

.. figure:: ../images/uart_example_diagram.png
   :align: center