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SMARC T335x Carrier Board Hardware Design Guide, Document Revision 1.2
The following table shows the Ethernet signals of
LAN2
.
SMARC Edge Finger
I/O
Type
Power
Rail
Description
Pin#
Pin
Name
S62
AF
(GB)
IO
Analogue
1000Base-T: DA+
10/100Base-TX: Tr
S63
AFB_DIFF0
‐
(GBE1_MDI0
‐
)
IO
Analogue
1000Base-T: DA-
10/100Base -TX: Transmit -
S65
AF
(GB)
IO
Analogue
1000Base-T: DB+
10/100Base -TX: R
S66
AFB_DIFF1
‐
(GBE1_MDI1
‐
)
IO
Analogue
1000Base-T: DB-
10/100Base -TX: Receive -
S68
AF
(GB)
IO
Analogue
1000Base-T: DC+
10/100Base -TX: Unused
S69
AFB_DIFF2
‐
(GBE1_MDI2
‐
)
IO
Analogue
1000Base-T: DC-
10/100Base -TX: Unused
S71
AF
(GB)
IO
Analogue
1000Base-T: DD+
10/100Base -TX: Unused
S72
AFB_DIFF3
‐
(GBE1_MDI3
‐
)
IO
Analogue
1000Base-T: DD-
10/100Base -TX: Unused
S17
AFB0_OUT
(GBE1_CTREF)
O
Analogue
Centre tap supply
S55
AFB8_PTIO
(GBE1_LINK_ACK#)
OD
CMOS
3.3V
LED indication output for activity
on the Ethernet port
S23
AFB6_PTIO
(GBE1_LINK100#)
OD
CMOS
3.3V
LED link speed indication output
for 100Mbps established
Ethernet link
S24
AFB7_PTIO
(GBE1_LINK1000#)
OD
CMOS
3.3V
1000Base-T: LED link speed
indication output for 1000Mbps
established Ethernet link
10/100Base -TX: Unused