Altera Stratix V GX FPGA Development Board Bedienungsanleitung PDF herunterladen (Seite 11)

Chapter 2: Board Components 2–3

Board Overview

October 2014 Altera Corporation Stratix V GX FPGA Development Board

Reference Manual

SW6 PCI Express DIP switch

Controls the PCI Express lane width by connecting

prsnt

pins

together on the PCI Express edge connector. This switch is located at

the back of the board.

S3 Program select push button

Toggles the program LEDs which selects the program image that loads

from flash memory to the FPGA.

S2 Program load push button

Configures the FPGA from flash memory image based on the program

LEDs.

D4, D5, D6 Program LEDs

Illuminates to show the LED sequence that determines which flash

memory image loads to the FPGA when you press the program load

push button.

D17 Configuration done LED Illuminates when the FPGA is configured.

D15 Load LED Illuminates during FPGA configuration.

D16 Error LED Illuminates when the FPGA configuration from flash fails.

D24 Power LED Illuminates when 5-V power is present.

D25, D26 System Console TX/RX LEDs

Indicate the transmit or receive activity of the System Console USB

interface. The TX and RX LEDs would flicker if the link is in use and

active. The LEDs are either off when not in use or on when in use but

idle.

D27, D28 JTAG TX/RX LEDs

Indicate the transmit or receive activity of the JTAG chain. The TX and

RX LEDs would flicker if the link is in use and active. The LEDs are

either off when not in use or on when in use but idle.

D29, D30, D31,

D32

Ethernet LEDs Indicate the connection speed as well as transmit or receive activity.

D3, D13 HSMC port A LEDs You can configure these LEDs to indicate transmit or receive activity.

D1 HSMC port A Present LED Illuminates when a daughtercard is plugged into the HSMC port A.

D11, D14 HSMC port B LEDs You can configure these LEDs to indicate transmit or receive activity.

D2 HSMC port B Present LED Illuminates when a daughtercard is plugged into the HSMC port B.

D33, D34 PCI Express Gen2/Gen3 LED

You can configure these LEDs to illuminate when PCI Express is in

Gen2 or Gen3 mode.

D35, D36, D37 PCI Express Link LEDs

You can configure these LEDs to display the PCI Express link width

(x1, x4, x8).

Clock Circuitry

X1 125 M oscillator

125.000-MHz crystal oscillator for Gigabit Ethernet, Serial RapidIO™

(SRIO), or PCI Express.

U38 Quad-output oscillator

Programmable oscillator with default frequencies of 100 MHz,

156.25 MHz, 625 MHz, and 270 MHz.

U46 Quad-output oscillator

Programmable oscillator with default frequencies of 125 MHz,

644.53125 MHz, 282.5 MHz, and 125 MHz.

X6 148.5 M oscillator

148.500-MHz voltage controlled crystal oscillator for SDI video. This

oscillator is programmable to any frequency between 20-810 MHz.

X4 100 M oscillator

100.000-MHz (programmable to any frequency between 20–810 MHz)

crystal oscillator for PCI Express or general use such as memories.

Multiplex with

CLKIN_SMA_P

CLKIN_SMA_N

based on CLK_SEL

switch value.

Table 2–1. Stratix V GX FPGA Development Board Components (Part 2 of 4)

Board Reference Type Description

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 75 76

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