Altera Arria V SoC Development Board Uživatelský manuál stáhnout pdf (Strana 30)

2–22 Chapter 2: Board Components

Clock Circuitry

Arria V SoC Development Board July 2014 Altera Corporation

Reference Manual

Off-Board Input/Output Clock

The development board has input and output clocks which can be driven onto the

board. The output clocks can be programmed to different levels and I/O standards

according to the FPGA device’s specification.

Table 2–14 lists the clock inputs for the development board.

Table 2–15 lists the clock outputs for the development board.

Table 2–14. Off-Board Clock Inputs

Source Schematic Signal Name I/O Standard

Arria V SoC

Pin Number

Description

SMA

SMA_CLKIN

2.5-V CMOS — Clock input to the global clock network.

SMA

OSC2_CLK_SMA

2.5-V CMOS —

Multiplexed clock input to OSC2 of the HPS.

FMC Port A

FMC_CLK_M2C_P[1:0]

LVDS B22, A22

LVDS input from the installed FMC card to

global clock inputs.

FMC_CLK_M2C_N[1:0]

LVDS C22, A21

FMC Port A

FMC_LA_RX_CLK_P

LVDS H21

LVDS input from the installed FMC card to

global clock inputs.

FMC_LA_RX_CLK_N

LVDS J21

FMC Port A

FMC_LA_RX_P7

LVDS C20

LVDS input from the installed FMC card to

global clock inputs.

FMC_LA_RX_N7

LVDS D20

FMC Port A

FMC_GBTCLK_M2C_P[1:0]

LVDS AC31, AA31

LVDS input from the installed FMC card to

dedicated reference clock inputs.

FMC_GBTCLK_M2C_N[1:0]

LVDS AC32, AA32

FMC Port B

FMCB_CLK_M2C_P[1:0]

LVDS C34, G34

LVDS input from the installed FMC card to

global clock inputs.

FMCB_CLK_M2C_N[1:0]

LVDS D34, H34

FMC Port B

FMCB_LA_RX_CLK_P

LVDS E34

LVDS input from the installed FMC card to

global clock inputs.

FMCB_LA_RX_CLK_N

LVDS F34

FMC Port B

FMCB_LA_RX_P7

LVDS N34

LVDS input from the installed FMC card to

global clock inputs.

FMCB_LA_RX_N7

LVDS N33

FMC Port B

FMCB_GBTCLK_M2C_P[1:0]

LVDS AG32, AE31

LVDS input from the installed FMC card to

dedicated reference clock inputs.

FMCB_GBTCLK_M2C_N[1:0]

LVDS AG33, AE32

Table 2–15. Off-Board Clock Outputs

Source

Schematic Signal

Name

I/O Standard

Arria V SoC

Pin Number

Description

FMC Port A

FMC_LA_TX_CLK_P

LVDS M23

LVDS output.

FMC_LA_TX_CLK_N

LVDS N23

FMC Port B

FMCB_LA_TX_CLK_P

LVDS L30

LVDS output.

FMCB_LA_TX_CLK_N

LVDS M30

PCI Express

Socket

PCIE_REFCLK_SYN_P

HCSL AF8

HCSL output to the PCI Express socket.

PCIE_REFCLK_SYN_N

HCSL AF7

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 69 70

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