Communication; Gigabit Ethernet - Digi ConnectCore 8M Nano Hardware Reference Manual

Interfaces
Note If J36 is closed, then the USB1 bus of the CPU is forced to be connected to the recovery
connector J35.

Communication

Gigabit Ethernet

One 10Base-T/100Bae-Tx/1000Base-T Ethernet interface is fully integrated in the board through the
AR8031 Ethernet PHY. The bus is accessible through a RJ-45 connector.
RS-485
The development board supports one RS-485 half-duplex bus, available on an expansion connector
(J26):
Pin Signal name
1 3V3_SOM_EXT 3.3 V power supply
2 RS485_B
3 RS485_A
4 GND
ConnectCore 8M Nano Development Board Hardware Reference Manual -
Preliminary
Description
RS485 B line
RS485 A line
Ground

Communication

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