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doc: update the serial port part of UP2

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coneypo 2018-11-30 09:48:35 +08:00 committed by David Kinder
parent dd43f3ba0a
commit 592bd51333
1 changed files with 24 additions and 10 deletions
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doc/getting-started/up2.rst
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@ -19,16 +19,30 @@ SoCs. Both have been confirmed to work with ACRN.
Connecting to the serial port Connecting to the serial port
============================= =============================
The UP2 board has two serial ports. Please refer to the `UP2 The UP2 board has two serial ports. The following figure shows the UP2 board's
specifications <http://www.up-board.org/upsquared/specifications-up2/>`_ 40-pin HAT connector we'll be using as documented in the `UP2 Datasheet
for more information. We'll access the serial port through the I/O pins <https://up-board.org/wp-content/uploads/datasheets/UP-Square-DatasheetV0.5.pdf>`_.
in the 40-pin HAT connector using a `USB TTL serial cable
<http://www.ftdichip.com/Products/USBTTLSerial.htm>`_. Connect pin 6 .. image:: images/the-bottom-side-of-UP2-board.png
(``GND``), pin 8 (``TX``) and pin 10 (``RX``) of the HAT connector to :align: center
respectively the ``GND``, ``RX`` and ``TX`` pins of your USB serial
cable. Plug the USB TTL serial cable into your PC and use a console We'll access the serial port through the I/O pins in the
emulation tool such as ``minicom`` or ``putty`` to communicate with the 40-pin HAT connector using a `USB TTL serial cable
UP2 board for debugging. <http://www.ftdichip.com/Products/USBTTLSerial.htm>`_,
and show how to connect a serial port with
``PL2303TA USB to TTL serial cable`` for example:
.. image:: images/USB-to-TTL-serial-cable.png
:align: center
Connect pin 6 (``Ground``), pin 8 (``UART_TXD``) and pin 10 (``UART_RXD``) of the HAT
connector to respectively the ``GND``, ``RX`` and ``TX`` pins of your
USB serial cable. Plug the USB TTL serial cable into your PC and use a
console emulation tool such as ``minicom`` or ``putty`` to communicate
with the UP2 board for debugging.
.. image:: images/the-connection-of-serial-port.png
:align: center
Software setup Software setup
************** **************