Ethernet, Ethernet signals, Reference schematic – IBASE SMARC-EVK1 User Manual
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IBASE Technology Inc.
4.2.8. Ethernet
Ethernet Signals
Pin
Signal Name
I/O
Type
Power Rail
Description
P30
ETHER_D0P
I/O
MDI
Bi-directional transmit/receive pair 0 to magnetics
P29
ETHER_D0N
I/O
MDI
P27
ETHER_D1P
I/O
MDI
Bi-directional transmit/receive pair 1 to magnetics
P26
ETHER_D1N
I/O
MDI
P24
ETHER_D2P
I/O
MDI
Bi-directional transmit/receive pair 2 to magnetics
P23
ETHER_D2N
I/O
MDI
P20
ETHER_D3P
I/O
MDI
Bi-directional transmit/receive pair 3 to magnetics
P19
ETHER_D3N
I/O
MDI
P25
ETH_LED_ACT#
O
OD
3.3V
Link / Activity Indication LED
P21
ETH_LED_100#
O
OD
3.3V
Link Speed Indication LED for 100Mbps
P22
ETH_LED_1000#
O
OD
3.3V
Link Speed Indication LED for 1000 Mbps
Reference Schematic
C151
4.7UF/16V/6
C153
0.1UF/25V/4
ETHER_D3N
13
ETHER_D3P
13
ETHER_D2N
13
ETHER_D2P
13
ETHER_D0N
13
ETHER_D1P
13
ETHER_D1N
13
ETH_LED_100# 13
ETH_LED_ACT# 13
ETHER_D0P
13
ETH_LED_1000# 13
ETH_LED_100#
ETH_LED_1000#
C152
0.01UF/25V/4
+3.3V_VCC
R116
220/4
R117
220/4
FB22
FB_120 ohm_2.5A
C187
0.001UF/50V/4
ETH_LED_1000#
C188
0.001UF/50V/4
C189
0.001UF/50V/4
ETH_LED_100#
+3.3V_VCC
R115
220/4
ETH_LED_ACT#
GND_CASE_L
ETH_LED_1000#
C154
0.1UF/25V/4
CN16
UDE_RB1-1A5BAK1A
TX+
1
TX-
2
RX+
3
RX-
4
TCT
5
RCT
6
MDI2+
7
MDI2-
8
MDI3+
9
MDI3-
10
LED1+
L1
LED1-
L2
LED2+
L3
LED2-
L4
GND
H1
GND
H2
ETH_LED_100#