Altera Arria V GX FPGA Development Board Manual de usuario descargar pdf (Pagina 38)

2–28 Chapter 2: Board Components

Clock Circuitry

Arria V GX FPGA Development Board November 2013 Altera Corporation

Reference Manual

Table 2–23 lists the clock outputs for the development board.

Table 2–24 lists the crystal oscillators component references and manufacturing

information.

HSMC

HSMB_CLK_IN_P2

LVDS/LVTTL AU32

LVDS input from the installed HSMC cable or

board. Can also support 2x LVTTL inputs.

HSMB_CLK_IN_N2

LVDS/LVTTL AT32

PCI Express

Edge

PCIE_REFCLK_P

LVDS/LVTTL AG32

LVDS input from the PCI Express edge connector.

PCIE_REFCLK_N

HCSL AG33

FMC

FMC_REFCLK_P0

LVDS AB9

LVDS input from the FMC board (drives two

REFCLKs on FPGA 2)

FMC_REFCLK_P1

LVDS V9

FMC_REFCLK_N0

LVDS AB8

FMC_REFCLK_N1

LVDS V8

FMC_CLK_M2C_P0

LVDS AV19

LVDS input from the FMC board.

FMC_CLK_M2C_P1

LVDS AF21

FMC_CLK_M2C_N0

LVDS AU19

FMC_CLK_M2C_N0

LVDS AE21

Table 2–22. Off-Board Clock Inputs

Source

Schematic Signal

Name

I/O Standard

Arria V GX

FPGA Pin

Number

Description

Table 2–23. Off-Board Clock Outputs

Source

Schematic Signal

Name

I/O Standard

Arria V GX

FPGA Pin

Number

Description

HSMC

HSMA_CLK_OUT0

2.5V CMOS AL14 FPGA CMOS output (or GPIO)

HSMC

HSMA_CLK_OUT_P1

LVDS/2.5V CMOS AU13

LVDS output. Can also support 2x CMOS

outputs.

HSMA_CLK_OUT_N1

LVDS/2.5V CMOS AT13

HSMC

HSMA_CLK_OUT_P2

LVDS/2.5V CMOS AM7

LVDS output. Can also support 2x CMOS

outputs.

HSMA_CLK_OUT_N2

LVDS/2.5V CMOS AL7

HSMC

HSMB_CLK_OUT0

2.5V CMOS AJ33 FPGA CMOS output (or GPIO)

HSMC

HSMB_CLK_OUT_P1

LVDS/2.5V CMOS AM33

LVDS output. Can also support 2x CMOS

outputs.

HSMB_CLK_OUT_N1

LVDS/2.5V CMOS AL34

HSMC

HSMB_CLK_OUT_P2

LVDS/2.5V CMOS AU32

LVDS output. Can also support 2x CMOS

outputs.

HSMB_CLK_OUT_N2

LVDS/2.5V CMOS AD26

Table 2–24. Crystal Oscillator Component References and Manufacturing Information

Board

Reference

Description Manufacturer Manufacturer Part Number

Manufacturer

Website

X1, X4

125.000-MHz LVDS saw clock

oscillator

Epson

EG-2121CA 125.0000M-

LGPNL3

www.eea.epson.com

X5 25-MHz oscillator Epson SG-310SDF 25.0000M-B3 www.eea.epson.com

Y3 24-MHz crystal oscillator Epson FA-128 24.0000MB-W www.eea.epson.com

Y1, Y2, Y4, Y5 25-MHz crystal oscillator Epson FA-128 25.0000MB-C www.eea.epson.com

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 89 90

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