Difference between revisions of "ETRA SOM/ETRA Evaluation Kit/Interfaces and Connectors/Ethernet"
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==Ethernet interface == | ==Ethernet interface == | ||
| − | + | === Description === | |
| − | |||
| − | + | The Ethernet interface is available on the Evaluation Kit at the connector J5. | |
| − | + | J5 is a standard RJ45 connector connected to the SOM integrated ethernet controller and PHY. | |
| − | + | J6 and J7 connectors are pin-to-pin compatible mounting options for the same interface. | |
| − | [[File: | + | [[File:ETRA-EVK-Ethernet-connector.png|thumb|center|300px|Ethernet connector]] |
===Signals === | ===Signals === | ||
| − | The following table describes the interface signals: | + | The following table describes the interface signals on J18 SOM connector: |
{| class="wikitable" | {| class="wikitable" | ||
| − | ! latexfontsize="scriptsize"| Pin# | + | ! latexfontsize="scriptsize" | Pin# |
| − | ! latexfontsize="scriptsize"| SOM Pin# | + | ! latexfontsize="scriptsize" | SOM Pin# |
| − | ! latexfontsize="scriptsize"| Pin name | + | ! latexfontsize="scriptsize" | Pin name |
| − | ! latexfontsize="scriptsize"| Pin function | + | ! latexfontsize="scriptsize" | Pin function |
| − | ! latexfontsize="scriptsize"| Pin Notes | + | ! latexfontsize="scriptsize" | Pin Notes |
|- | |- | ||
| − | | | + | |3 |
| − | | | + | | J18.19 |
| − | | | + | | ETH_TX_P |
| − | | | + | | Transmit data + |
| − | | | + | | |
|- | |- | ||
| − | | | + | | 5 |
| − | | | + | | J18.21 |
| − | | | + | | ETH_TX_M |
| − | | | + | | Transmit data - |
| | | | ||
|- | |- | ||
| − | | | + | | 6 |
| − | | | + | | J18.23 |
| − | | | + | | ETH_RX_P |
| − | | | + | | Receive data + |
| | | | ||
|- | |- | ||
| − | | | + | | 8 |
| − | | | + | | J18.25 |
| − | | | + | | ETH_RX_M |
| − | | | + | | Receive data - |
| | | | ||
| + | |- | ||
| + | |2,11 | ||
| + | |J18.13 | ||
| + | |ETH1_LED | ||
| + | |Eth link or activity led | ||
| + | | | ||
|} | |} | ||
=== Device mapping === | === Device mapping === | ||
| − | + | This network interface is mapped at <code>eth0</code> device in Linux. | |
=== Device usage === | === Device usage === | ||
| − | + | The peripheral is used the standard kernel interface and network protocol stack. | |
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---- | ---- | ||
[[Category:ETRA]] | [[Category:ETRA]] | ||
Latest revision as of 10:05, 6 September 2023
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| History | |||
|---|---|---|---|
| Issue Date | Notes | ||
| 2021/01/14 | First Release | ||
Contents
Ethernet interfaceEdit
DescriptionEdit
The Ethernet interface is available on the Evaluation Kit at the connector J5.
J5 is a standard RJ45 connector connected to the SOM integrated ethernet controller and PHY.
J6 and J7 connectors are pin-to-pin compatible mounting options for the same interface.
SignalsEdit
The following table describes the interface signals on J18 SOM connector:
| Pin# | SOM Pin# | Pin name | Pin function | Pin Notes |
|---|---|---|---|---|
| 3 | J18.19 | ETH_TX_P | Transmit data + | |
| 5 | J18.21 | ETH_TX_M | Transmit data - | |
| 6 | J18.23 | ETH_RX_P | Receive data + | |
| 8 | J18.25 | ETH_RX_M | Receive data - | |
| 2,11 | J18.13 | ETH1_LED | Eth link or activity led |
Device mappingEdit
This network interface is mapped at eth0 device in Linux.
Device usageEdit
The peripheral is used the standard kernel interface and network protocol stack.