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<section begin="History" />
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<section end="History" /><section begin="Body/> ==CPU connector interface == ''TBD: sostituire le sezioni con le informazioni sull'uso della periferica e del suo connettore''''Nell'esempio di seguito c'è la descrizione dell'interfaccia UART/console'' === Description === The CPU connector interface available on the Evaluation Kit at the connector ''TBD:Jxxx''.  ''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).  [[File:{{{nome-som}}-EVB-CPU connector-connector.png|thumb|center|500px|CPU connector connector]] ===Signals === The following table describes the interface signals: {| class="wikitable" ! latexfontsize="scriptsize"| Pin#! latexfontsize="scriptsize"| SOM Pin#! latexfontsize="scriptsize"| Pin name! latexfontsize="scriptsize"| Pin function! latexfontsize="scriptsize"| 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 ===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. === Device usage ===
To connect to the debug serial port:==CPU connector ==
# connect J15 is the DB9 adapter bracket to the J22 260-pins SODIMM connector on of the SBCX 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,8,1ORCA SOM.
----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/ORCA Hardware|ORCA SOM Hardware Manual]].
[[Category:ORCA SOM]]
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