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Contents
Ethernet interfacesEdit
The Evaluation Kit features two Gigabit Ethernet interfaces:
- ETH0 on J10 (labelled as Ethernet 1)
- this interface also features the TSN functionality
- ETH1 on J38 (labelled as Ethernet 2)
DescriptionEdit
The Ethernet interfaces are available on the Evaluation Kit at the connectors J10 and J38. Primary interface is on J10.
J10 and J38 are a RJ45 shielded connectors with dual led. J10 is connected to the SoM Ethernet PHY, J38 is connected to the Carrier Ethernet PHY
SignalsEdit
The following table describes the interfaces signals:
- J10
| Pin# | Pin name | Pin Notes |
|---|---|---|
| 1 | ETH0_TXRX1_P | |
| 2 | ETH0_TXRX1_N | |
| 3 | ETH0_TXRX2_P | |
| 4 | ETH0_TXRX3_P | |
| 5 | ETH0_TXRX3_N | |
| 6 | ETH0_TXRX2_N | |
| 7 | ETH0_TXRX4_P | |
| 8 | ETH0_TXRX4_N | |
| 9 | ETH0_LED_ACT | ETH0 has active low signals |
| 11 | ETH0_LED_LINK | ETH0 has active low signals |
- J38
| Pin# | Pin name | Pin Notes |
|---|---|---|
| 1 | ETH1_TXRX1_P | |
| 2 | ETH1_TXRX1_N | |
| 3 | ETH1_TXRX2_P | |
| 4 | ETH1_TXRX3_P | |
| 5 | ETH1_TXRX3_N | |
| 6 | ETH1_TXRX2_N | |
| 7 | ETH1_TXRX4_P | |
| 8 | ETH1_TXRX4_N | |
| 10 | ETH1_LED_ACT | ETH1 has active high signals |
| 12 | ETH1_LED_LINK | ETH1 has active high signals |
Device mappingEdit
The network interfaces mapped as follows:
- J10 is
eth0device in Linux. - J38 is
eth1device in Linux.
Device usageEdit
The peripherals use the standard kernel interface and network protocol stack.