beautypg.com

Altera Stratix V Advanced Systems Development Board User Manual

Page 35

background image

Chapter 2: Board Components

2–25

Clock Circuitry

January 2014

Altera Corporation

Stratix V Advanced Systems Development Board

Reference Manual

Table 2–13

lists the clock outputs for the development board.

FMC

FMC_CLK_M2C_P[0]

LVDS

J18 —

LVDS clock input from the installed FMC
cable or board.

FMC_CLK_M2C_N[0]

LVDS

H18 —

FMC_CLK_M2C_P[1]

LVDS

M9 —

FMC_CLK_M2C_N[1]

LVDS

L9 —

FMC_LA_RX_CLK_P[0]

LVDS

M8 —

LVDS clock or LVDS general input from
the installed FMC cable or board.

FMC_LA_RX_CLK_N[0]

LVDS

L8 —

FMC_LA_RX_CLK_P[1]

LVDS

B8 —

FMC_LA_RX_CLK_N[1]

LVDS

A8 —

FMC_GBTCLK_M2C_P[0]

LVDS

AB39 —

Transceiver reference clock inputs from
the installed FMC cable or board.

FMC_GBTCLK_M2C_N[0]

LVDS

AB40 —

FMC_GBTCLK_M2C_P[1]

LVDS

V39 —

FMC_GBTCLK_M2C_N[1]

LVDS

V40 —

HSMC

HSMC_CLK_IN0

2.5-V

BC8

Single-ended input from the installed
HSMC cable or board.

HSMC_CLK_IN_P[1]

LVDS/2.5-V

J18

LVDS clock input from the installed
HSMC cable or board. Can also support
single-ended LVTTL inputs.

HSMC_CLK_IN_N[1]

LVDS/2.5-V

H18

HSMC_CLK_IN_P[2]

LVDS/2.5-V

M9

HSMC_CLK_IN_N[2]

LVDS/2.5-V

L9

PCI

Express

Edge

PLX_PCIE_REFCLK_P

HCSL

LVDS input from the PCI Express edge
connector.

PLX_PCIE_REFCLK_N

HCSL

SVA_PCIE_REFCLK_P

HCSL

AK38

PCI Express reference clock to fan out
buffer (U85).

SVA_PCIE_REFCLK_N

HCSL

AK39

SVB_PCIE_REFCLK_P

HCSL

AK38

SVB_PCIE_REFCLK_N

HCSL

AK39

Table 2–13. Off-Board Clock Inputs (Part 2 of 2)

Source

Schematic Signal Name

I/O Standard

Stratix V GX

FPGA1

Device Pin

Number

Stratix V GX

FPGA2

Device Pin

Number

Description

Table 2–14. Off-Board Clock Outputs

Source

Schematic Signal Name

I/O Standard

Stratix V GX

FPGA2 Device Pin

Number

Description

HSMC

HSMC_CLK_OUT0

2.5-V CMOS

AR11

FPGA CMOS output (or GPIO).

HSMC_CLK_OUT_P[1]

LVDS/2.5-V

BC7

LVDS clock output. Can also support
single-ended CMOS outputs.

HSMC_CLK_OUT_N[1]

LVDS/2.5-V

BD7

HSMC_CLK_OUT_P[2]

LVDS/2.5-V

B10

HSMC_CLK_OUT_N[2]

LVDS/2.5-V

A10