Qsfp interface, Qsfp interface –33 – Altera 100G Development Kit, Stratix V GX Edition User Manual
Page 41

Chapter 2: Board Components
2–33
Components and Interfaces
August 2012
Altera Corporation
100G Development Kit, Stratix V GX Edition
Reference Manual
QSFP Interface
The development board includes two QSFP interfaces for a 40G QSFP module. The
QSFP interface can support four full-duplex transceiver channels.
lists the pin assignments for the first QSFP interface (J33) and their
corresponding schematic signal names and Stratix V GX pin numbers.
Table 2–26. QSFP Interface Pin Assignments, Schematic Signal Names, and Functions (Part 1 of 2)
Board
Reference
(J33)
Schematic Signal
Name
I/O Standard
Stratix V GX
Device Pin
Number
Description
28
QSFP0_INTERRUPTN
2.5-V LVCMOS
AM22
Module interrupt output:
0: Possible module operational fault
1: Normal mode
31
QSFP0_LP_MODE
2.5-V LVCMOS
BC22
Low power mode input:
0: Set module for high-power mode
1: Set module for low-power mode (maximum power
consumption is 1.5 W)
27
QSFP0_MOD_PRSN
2.5-V LVCMOS
AR31
Module present (output):
0: Module present (inserted)
1: Module absent
8
QSFP0_MOD_SELN
2.5-V LVCMOS
AK20
Module select input:
0: Select module for two-wire serial communication
1: Module not available for two-wire serial
communication
9
QSFP0_RST
2.5-V LVCMOS
BC35
Module reset input:
0: Reset module
1: Normal mode
17
QSFP0_RX_P0
1.5-V PCML
AW4
Receive XCVR pair 0 from FPGA
18
QSFP0_RX_N0
1.5-V PCML
AW3
Receive XCVR pair 0 from FPGA
22
QSFP0_RX_P1
1.5-V PCML
AY2
Receive XCVR pair 1 from FPGA
21
QSFP0_RX_N1
1.5-V PCML
AY1
Receive XCVR pair 1 from FPGA
14
QSFP0_RX_P2
1.5-V PCML
AV2
Receive XCVR pair 2 from FPGA
15
QSFP0_RX_N2
1.5-V PCML
AV1
Receive XCVR pair 2 from FPGA
25
QSFP0_RX_P3
1.5-V PCML
AT2
Receive XCVR pair 3 from FPGA
24
QSFP0_RX_N3
1.5-V PCML
AT1
Receive XCVR pair 3 from FPGA
11
QSFP0_SCL
2.5-V LVCMOS
AU8
Two-wire serial clock input
12
QSFP0_SDA
2.5-V LVCMOS
AK35
Two-wire serial data
36
QSFP0_TX_P0
1.5-V PCML
AT6
Transmit XCVR pair 0 from FPGA
37
QSFP0_TX_N0
1.5-V PCML
AT5
Transmit XCVR pair 0 from FPGA
3
QSFP0_TX_P1
1.5-V PCML
AU4
Transmit XCVR pair 1 from FPGA
2
QSFP0_TX_N1
1.5-V PCML
AU3
Transmit XCVR pair 1 from FPGA
33
QSFP0_TX_P2
1.5-V PCML
AR4
Transmit XCVR pair 2 from FPGA
34
QSFP0_TX_N2
1.5-V PCML
AR3
Transmit XCVR pair 2 from FPGA