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ETRA SOM/ETRA Evaluation Kit/Interfaces and Connectors/Ethernet

1,939 bytes removed, 10:05, 6 September 2023
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<section begin="History" />
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<section end="History" /><section begin="Body" />
==Ethernet 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 ===
=== Description ===The Ethernet interface is available on the Evaluation Kit at the connector J5.
The Ethernet interface available on J5 is a standard RJ45 connector connected to the Evaluation Kit at the connector ''TBD:Jxxx''SOM integrated ethernet controller and PHY.
''Jxx'' is a ''TBD:connectorJ6 and J7 connectors are pin-type'' header connector to-pin compatible mounting options for the RS232 two-wires UART3 port, used for debug purposes (bootloader and operating system serial console)same interface.
[[File:{{{nomeETRA-som}}-EVBEVK-Ethernet-connector.png|thumb|center|500px300px|Ethernet connector]]
===Signals ===
The following table describes the interface signalson J18 SOM connector:
{| 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,,7,8,103| -J18.19| N.A.ETH_TX_P| N.C.Transmit data +| Not connected
|-
| 35| J1J18.18921| RS232_RXETH_TX_M| Receive lineTransmit data -
|
|-
| 36| J1J18.18723| RS232_TXETH_RX_P| Transmit lineReceive data +
|
|-
| 98| -J18.25| DGNDETH_RX_M| GroundReceive data -
|
|-
|2,11
|J18.13
|ETH1_LED
|Eth link or activity led
|
|}
=== Device mapping ===
UART3 This network interface is mapped to at <code>/dev/ttymxc2eth0</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 peripheral is used the debug serial port: # connect the DB9 adapter bracket to the J22 connector on the SBCX board# connect a serial cable between DB9 connector standard kernel interface 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,8,1network protocol stack.
----
[[Category:ETRA]]
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