Difference between revisions of "MITO 8M Mini SOM/MITO 8M Mini Evaluation Kit/Interfaces and Connectors/Console"

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!colspan="4" style="width:100%; text-align:left"; border-bottom:solid 2px #ededed"|History
 
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The Console interface available on the Evaluation Kit at the connector J22.  
 
The Console interface available on the Evaluation Kit at the connector J22.  
  
J22 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).
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J22 is a 10 pin (5x2x2.54mm) header connector for the RS232 two-wires UART2 port, used for debug purposes (bootloader and operating system serial console).
  
  
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[[Category:MITO 8M Mini]]
 
[[Category:MITO 8M Mini]]
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[[Category:MITO 8M Nano]]

Latest revision as of 10:43, 8 January 2024

History
Issue Date Notes
2022/05/04 First release


Console interface[edit | edit source]

Description[edit | edit source]

The Console interface available on the Evaluation Kit at the connector J22.

J22 is a 10 pin (5x2x2.54mm) header connector for the RS232 two-wires UART2 port, used for debug purposes (bootloader and operating system serial console).


Console connector

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 J10.189 RS232_RX Receive line
3 J10.187 RS232_TX Transmit line
9 - DGND Ground

Device mapping[edit | edit source]

UART2 is mapped to /dev/ttymxc1 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:

  1. connect the DB9 adapter bracket to the J22 connector on the SBCX board
  2. connect a serial cable between DB9 connector and PC COM port through a NULL-modem cable (not provided)
  3. start your favorite terminal emulator software on PC (eg: PuTTY); communication parameters are: 115200,N,8,1