Kontron SMARC-sA3874i User 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