Difference between revisions of "AXEL ULite SOM/AXEL ULite Evaluation Kit/Interfaces and Connectors/Console"
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| − | |style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"| | + | |style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000"|First DESK release |
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==Console interface == | ==Console interface == | ||
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=== Description === | === Description === | ||
| − | The Console interface available on the Evaluation Kit at the connector | + | The Console interface available on the Evaluation Kit at the connector J8. |
| − | + | J8 is a 10 pin (5x2x2.54mm) header connector for the RS232 two-wires UART3 port, used for debug purposes (bootloader and operating system serial console). | |
| − | [[File: | + | [[File:AXEL_ULite-EVB-Console-connector.png|thumb|center|500px|Console connector]] |
===Signals === | ===Signals === | ||
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! latexfontsize="scriptsize"| Pin Notes | ! latexfontsize="scriptsize"| Pin Notes | ||
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| − | |1,2,4,6 | + | |1,2,4,6,7,8,10 |
| - | | - | ||
| N.A. | | N.A. | ||
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=== Device mapping === | === Device mapping === | ||
| − | UART3 is mapped to <code>/dev/ | + | UART3 is mapped to <code>/dev/ttymxc0</code> device in Linux. The peripheral is used as the default serial console, both for the bootloader and the kernel. |
=== Device usage === | === Device usage === | ||
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To connect to the debug serial port: | To connect to the debug serial port: | ||
| − | # connect the DB9 adapter bracket to the | + | # connect the DB9 adapter bracket to the J8 connector on the EVK board |
# connect a serial cable between DB9 connector and PC COM port through a NULL-modem cable (not provided) | # connect a serial cable between DB9 connector and PC COM port through a NULL-modem cable (not provided) | ||
# start your favorite terminal emulator software on PC (eg: PuTTY); communication parameters are: 115200,N,8,1 | # start your favorite terminal emulator software on PC (eg: PuTTY); communication parameters are: 115200,N,8,1 | ||
Revision as of 08:08, 19 July 2021
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Console interface[edit | edit source]
Description[edit | edit source]
The Console interface available on the Evaluation Kit at the connector J8.
J8 is a 10 pin (5x2x2.54mm) header connector for the RS232 two-wires UART3 port, used for debug purposes (bootloader and operating system serial console).
Signals[edit | edit source]
The following table describes the interface signals:
| Pin# | SOM Pin# | Pin name | Pin function | Pin Notes |
|---|---|---|---|---|
| 1,2,4,6,7,8,10 | - | N.A. | N.C. | Not connected |
| 3 | J1.189 | RS232_RX | Receive line | |
| 3 | J1.187 | RS232_TX | Transmit line | |
| 9 | - | DGND | Ground |
Device mapping[edit | edit source]
UART3 is mapped to /dev/ttymxc0 device in Linux. The peripheral is used as the default serial console, both for the bootloader and the kernel.
Device usage[edit | edit source]
To connect to the debug serial port:
- connect the DB9 adapter bracket to the J8 connector on the EVK board
- connect a serial cable between DB9 connector and PC COM port through a NULL-modem cable (not provided)
- start your favorite terminal emulator software on PC (eg: PuTTY); communication parameters are: 115200,N,8,1
