LEC-
PX30 User’s Guide
SGET SMARC Rev 2.1
Page 29
copyright © 2020 ADLINK Technology Inc.
4.3.8
LAN
Name
Pin #
Description
I/O
Type
I/O
Level
Power
Domain
PU /
PD
Comments
GB
GBE0_MDI0-
GB
GBE0_MDI1-
GB
GBE0_MDI2-
GB
GBE0_MDI3-
P30
P29
P27
P26
P24
P23
P20
P19
10/100 Mbps Ethernet Controller 0: Media Dependent
Interface Differential Pairs 0, 1. The MDI can operate in
100, and 10Mbit/sec modes.
100
10 _
MDI[0]+/-
TX+/-
TX+/-
MDI[1]+/-
RX+/-
RX+/-
GBE MDI
Runtime
Twisted pair signals for external
transformer.
GBE0_LINK100#
P21
Link Speed Indication LED for GBE 0 100Mbps
O OD
CMOS
3.3V
Runtime
Shall be able to sink 24mA or more Carrier
LED current
GBE0_LINK1000# P22
Link Speed Indication LED for GBE 0 1000Mbps
O OD
CMOS
3.3V
Runtime
Shall be able to sink 24mA or more Carrier
LED current
GBE0_LINK_ACT# P25
Link / Activity Indication LED Driven low on Link (10, 100
mbps) Blinks on Activity
O OD
CMOS
3.3V
Runtime
Shall be able to sink 24mA or more Carrier
LED current
GBE0_CTREF
P28
Center-Tap reference voltage for Carrier board Ethernet
magnetic (if required by the Module GBE PHY)
Analog
0 to
3.3V max
Runtime
GBE0_SDP
P6
IEEE 1588 Trigger Signal. For hardware implementation
of PTP (precision time protocol)
IO
CMOS
3.3V
Runtime
GB
GBE1_MDI0-
GB
GBE1_MDI1-
GB
GBE1_MDI2-
GB
GBE1_MDI3-
S17
S18
S20
S21
S23
S24
S26
S27
10/100 Mbps Ethernet Controller 0: Media Dependent
Interface Differential Pairs 0, 1. The MDI can operate in
100, and 10Mbit/sec modes.
100
10 _
MDI[0]+/-
TX+/-
TX+/-
MDI[1]+/-
RX+/-
RX+/-
GBE MDI
Standby
Twisted pair signals for external
transformer.
