ZERO SOM/ZERO Evaluation Kit/Interfaces and Connectors/Ethernet
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Ethernet interfaces[edit | edit source]
The ZERO Evaluation Kit features four Gigabit Ethernet interfaces with the PHY available in the EB23 carrier board.
Description[edit | edit source]
The Ethernet interfaces are available on the Evaluation Kit at the connectors J19 (ETH_A), J20 (ETH_B), J21 (ETH_C) and J22 (ETH_D).
Ethernet connectors are a RJ45 shielded connectors with dual led. The ethernet PHY is provided in the EB23 carrier board and the three SoC GMAC instances provide up to three ethernet interfaces.
The fourth ethernet interface (ETH_D) is available as EtherCAT or switch interface anf it is not used in the ZERO Evaluation Kit.
Signals[edit | edit source]
The interfaces signals mapping can be found in the Evaluation Kit schematics.
Device mapping[edit | edit source]
The network interfaces mapped as follows:
- J19 is
eth0device in Linux - J20 is
eth1device in Linux - J21 is
eth2device in Linux
Device usage[edit | edit source]
The peripherals use the standard kernel interface and network protocol stack.
