Kontron SMARC-sA3874i - Manual (Page 33)

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User’s Guide
The following table details the Atheros GBE Phy (AR8031) to ULP-COM connections.
ULP-COM sA3874i Edge
Finger Atheros AR8031 Net Name Notes
Pin # Pin Name Pin # Pin Name
P30 GbE_MDI0_P 11 TRXP0 GBE0_MDI0+ Bi-directional transmit/receive
pair 0 to magnetics
P29 GbE_MDI0_N 12 TRXN0 GBE0_MDI0-
P27 GbE_MDI1_P 14 TRXP1 GbE_MDI1+ Bi-directional transmit/receive
pair 1 to magnetics
P26 GbE_MDI1_N 15 TRXN1 GbE_MDI1-
P24 GbE_MDI2_P 17 TRXP2 GbE_MDI2+ Bi-directional transmit/receive
pair 2 to magnetics
P23 GbE_MDI2_N 18 TRXN2 GbE_MDI2-
P20 GbE_MDI3_P 20 TRXP3 GbE_MDI3+ Bi-directional transmit/receive
pair 3 to magnetics
P19 GbE_MDI3_N 21 TRXN3 GbE_MDI3-
P21 GbE_LINK100# 26 LED_LINK10_100 GBE0_LINK100# Link speed indication LED for
100Mbps – open drain
P22 GbE_LINK1000# 24 LED_LINK1000 GBE0_LINK1000# Link speed indication LED for
1000Mbps – open drain
P25 GbE_LINK_ACT# 23 LED_ACT GBE0_LINK_ACT# Link/activity LED – open drain