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Update a README file.

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This commit is contained in:
Gregory Nutt 2017-03-21 12:28:34 -06:00
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commit 248c821730
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configs/xmc4500-relax/README.txt
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@ -7,6 +7,15 @@ README for the XMC4500 Relax
The current configurations support only the Lite version of the board. The current configurations support only the Lite version of the board.
Status
======
2017-03-21: The XMC4500 Relax boots into NSH, provides the NSH prompt,
and the LEDs are working. But there is a problem with the USIC baud
(probably); I get garbage on the serial console. This probably means
that either the peripheral clocking is wrong or the baud configuration
is wrong.
Serial Console Serial Console
============== ==============
@ -20,6 +29,9 @@ Serial Console
VDD5 - Available on pins 39-40 of either connector X1 or X2 VDD5 - Available on pins 39-40 of either connector X1 or X2
A TTL to RS-232 convertor or a USB TTL-to-USB serial adaptor is required. A TTL to RS-232 convertor or a USB TTL-to-USB serial adaptor is required.
The notion of what is TX and what is RX depends on your point of view.
With the TTL to RS-232 converter, I connect pin 17 to the pin labeled
TX on the converter and pin 16 to the RX pin on the converter.
LEDs LEDs
==== ====