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Chapter 2: Board Components
2–61
Components and Interfaces
August 2012
Altera Corporation
100G Development Kit, Stratix V GX Edition
Reference Manual
Table 2–39
lists the pin assignments for the Ethernet interface and their corresponding
schematic signal names and Stratix V GX pin numbers. All the signal names and
directions are relative to the Stratix V GX FPGA.
Table 2–39. Ethernet Interface Pin Assignments, Signal Names and Functions (Part 1 of 2)
Board
Reference
(U50)
Schematic Signal Name
I/O Standard
Stratix V GX
Device Pin
Number
Description
8
ENET_GTX_CLK
2.5-V LVCMOS
BA36
125-MHz transmit clock
23
ENET_INTN
2.5-V LVCMOS
BA12
Ethernet management bus interrupt
60
ENET_LED_DUPLEX
2.5-V LVCMOS
—
Ethernet duplex or collision LED
70
ENET_LED_DUPLEX
2.5-V LVCMOS
—
Ethernet duplex or collision LED
64
ENET_LED_LINK10
2.5-V LVCMOS
—
Ethernet 10 Mb link LED
76
ENET_LED_LINK10
2.5-V LVCMOS
—
Ethernet 10 Mb link LED
74
ENET_LED_LINK100
2.5-V LVCMOS
—
Ethernet 100 Mb link LED
73
ENET_LED_LINK1000
2.5-V LVCMOS
—
Ethernet 1000 Mb link LED
65
ENET_LED_RX
2.5-V LVCMOS
—
Ethernet receive data active LED
69
ENET_LED_RX
2.5-V LVCMOS
—
Ethernet receive data active LED
61
ENET_LED_TX
2.5-V LVCMOS
—
Ethernet transmit data active LED
68
ENET_LED_TX
2.5-V LVCMOS
—
Ethernet transmit data active LED
25
ENET_MDC
2.5-V LVCMOS
AP39
Ethernet management bus data
24
ENET_MDIO
2.5-V LVCMOS
AR36
Ethernet management bus control
28
ENET_RESETN
2.5-V LVCMOS
AR8
Ethernet reset
30
ENET_RSET
2.5-V LVCMOS
—
Bias voltage for the Ethernet PHY that
connects to a 4.99 K resistor to ground.
2
ENET_RX_CLK
2.5-V LVCMOS
AW35
Ethernet receive clock
94
ENET_RX_DV
2.5-V LVCMOS
AN34
Ethernet receive data valid
95
ENET_RXD0
2.5-V LVCMOS
AE14
Ethernet receive data
92
ENET_RXD1
2.5-V LVCMOS
AP12
Ethernet receive data
93
ENET_RXD2
2.5-V LVCMOS
AT12
Ethernet receive data
91
ENET_RXD3
2.5-V LVCMOS
AP13
Ethernet receive data
9
ENET_TX_EN
2.5-V LVCMOS
AP36
Ethernet transmit enable
11
ENET_TXD0
2.5-V LVCMOS
AE11
Ethernet transmit data
12
ENET_TXD1
2.5-V LVCMOS
AK12
Ethernet transmit data
14
ENET_TXD2
2.5-V LVCMOS
AV10
Ethernet transmit data
16
ENET_TXD3
2.5-V LVCMOS
AL11
Ethernet transmit data
29
MDI_P0
2.5-V LVCMOS
—
Media dependent interface 0
31
MDI_N0
2.5-V LVCMOS
—
Media dependent interface 0
33
MDI_P1
2.5-V LVCMOS
—
Media dependent interface 1
34
MDI_N1
2.5-V LVCMOS
—
Media dependent interface 1
39
MDI_P2
2.5-V LVCMOS
—
Media dependent interface 2
41
MDI_N2
2.5-V LVCMOS
—
Media dependent interface 2