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Difference between revisions of "ETRA SOM/ETRA Evaluation Kit/Interfaces and Connectors/Power Supply"

< ETRA SOM‎ | ETRA Evaluation Kit
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!colspan="4" style="width:100%; text-align:left"; border-bottom:solid 2px #ededed"|History
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==Power Supply interface ==
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==Power Supply ==
  
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''TBD: sostituire le sezioni con le informazioni sull'uso della periferica e del suo connettore''
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The power supply for this EVB can be provided through J1 connector or from USB OTG connector.
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''Nell'esempio di seguito c'è la descrizione dell'interfaccia UART/console''
 
  
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=== Description ===
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=== Description ===
  
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The Power Supply interface available on the Evaluation Kit at the connector ''TBD:Jxxx''.  
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Power can be provided through the J1 connector. Power voltage range is +[12-24 V].
  
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''Jxx'' is a ''TBD:connector-type'' header connector for the RS232 two-wires UART3 port, used for debug purposes (bootloader and operating system serial console).
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J1 is a two pins MSTBA 2.5/2-G-5.08 Phoenix connector.
  
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[[File:ETRA-EVK-Power Supply-connector.png|thumb|center|300px|Power Supply connector]]
  
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[[File:{{{nome-som}}-EVB-Power Supply-connector.png|thumb|center|500px|Power Supply connector]]
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=== Signals ===
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===Signals ===
 
  
 
The following table describes the interface signals:
 
The following table describes the interface signals:
  
 
{| class="wikitable"  
 
{| class="wikitable"  
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! latexfontsize="scriptsize"| Pin#
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! latexfontsize="scriptsize" | Pin#
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! latexfontsize="scriptsize"| SOM Pin#
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! latexfontsize="scriptsize" | Pin function
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! latexfontsize="scriptsize"| Pin name
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! latexfontsize="scriptsize" | Pin Notes
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! latexfontsize="scriptsize"| Pin function
 
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! latexfontsize="scriptsize"| Pin Notes
 
 
|-
 
|-
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|1,2,4,6,,7,8,10
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|1
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| -
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| VIN
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| N.A.
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| +[12-24 V]
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| N.C.
 
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| Not connected
 
 
|-
 
|-
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| 3
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| 2
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| J1.189
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| GND
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| RS232_RX
 
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| Receive line
 
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|
 
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|-
 
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| 3
 
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| J1.187
 
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| RS232_TX
 
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| Transmit line
 
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|
 
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|-
 
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| 9
 
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| -
 
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| DGND
 
 
| Ground
 
| Ground
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|
 
 
|}
 
|}
  
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=== Device mapping ===
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=== Power LED ===
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UART3 is mapped to <code>/dev/ttymxc2</code> device in Linux. The peripheral is used as the default serial console, both for the bootloader and the kernel.
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DL1 is a green LED (placed near the SOM) it shows the status of the power input. This LED is ON when a valid power supply is present either from J1 or USB OTG port.
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=== Device usage ===
 
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To connect to the debug serial port:
 
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# connect the DB9 adapter bracket to the J22 connector on the SBCX board
 
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# connect a serial cable between DB9 connector and PC COM port through a NULL-modem cable (not provided)
 
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# start your favorite terminal emulator software on PC (eg: PuTTY); communication parameters are: 115200,N,8,1
 
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[[Category:ETRA]]
 
[[Category:ETRA]]

Latest revision as of 10:03, 6 September 2023

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History
Issue Date Notes
2021/01/14 First Release


Contents

Power SupplyEdit

The power supply for this EVB can be provided through J1 connector or from USB OTG connector.

DescriptionEdit

Power can be provided through the J1 connector. Power voltage range is +[12-24 V].

J1 is a two pins MSTBA 2.5/2-G-5.08 Phoenix connector.

 
Power Supply connector

SignalsEdit

The following table describes the interface signals:

Pin# Pin function Pin Notes
1 VIN +[12-24 V]
2 GND Ground

Power LEDEdit

DL1 is a green LED (placed near the SOM) it shows the status of the power input. This LED is ON when a valid power supply is present either from J1 or USB OTG port.

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