Difference between revisions of "ORCA SOM/ORCA Evaluation Kit/Interfaces and Connectors/CPU connector"

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!colspan="4" style="width:100%; text-align:left"; border-bottom:solid 2px #ededed"|History
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! colspan="4" style="width:100%; text-align:left" ; border-bottom:solid 2px #ededed" |History
 
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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:#73B2C7; padding:5px; color:white"|Version
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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:#73B2C7; padding:5px; color:white" |Issue Date
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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:#73B2C7; padding:5px; color:white" |Notes
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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" |2021/12/10
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__FORCETOC__
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<section begin="Body" />
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==CPU connector interface ==
 
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''TBD: sostituire le sezioni con le informazioni sull'uso della periferica e del suo connettore''
 
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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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The CPU connector interface available on the Evaluation Kit at the connector ''TBD:Jxxx''.
 
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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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[[File:{{{nome-som}}-EVB-CPU connector-connector.png|thumb|center|500px|CPU connector connector]]
 
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===Signals ===
 
  
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The following table describes the interface signals:
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==CPU connector ==
  
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{| class="wikitable"
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J15 is the 260-pins SODIMM connector of the ORCA SOM.
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! latexfontsize="scriptsize"| Pin#
 
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! latexfontsize="scriptsize"| SOM Pin#
 
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! latexfontsize="scriptsize"| Pin name
 
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! latexfontsize="scriptsize"| Pin function
 
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! latexfontsize="scriptsize"| Pin Notes
 
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|-
 
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|1,2,4,6,,7,8,10
 
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| -
 
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| N.A.
 
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| N.C.
 
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| Not connected
 
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|-
 
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| 3
 
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| J1.189
 
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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
 
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| Ground
 
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|
 
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|}
 
  
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=== Device mapping ===
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[[File:ORCA-EVK-J15-SO-DIMM-connector.png|thumb|center|500px|SO-DIMM connector]]
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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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=== Device usage ===
 
  
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To connect to the debug serial port:
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In this SBC design the SOM is embedded in the carrier board so the connector is not actually usable but represents the SOM J1 connector.
  
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# connect the DB9 adapter bracket to the J22 connector on the SBCX board
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For a detailed description of the SOM pinout, please refer to the [[ORCA SOM/ORCA Hardware|ORCA SOM Hardware Manual]].
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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:ORCA]]
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[[Category:ORCA SOM]]
 

Latest revision as of 20:45, 8 January 2024

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History
Issue Date Notes
2021/12/10 First release



Contents

CPU connector[edit | edit source]

J15 is the 260-pins SODIMM connector of the ORCA SOM.

SO-DIMM connector


In this SBC design the SOM is embedded in the carrier board so the connector is not actually usable but represents the SOM J1 connector.

For a detailed description of the SOM pinout, please refer to the ORCA SOM Hardware Manual.

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