Altera Transceiver Signal Integrity Development Kit, Stra Manual do Utilizador descarregar pdf (Página 26)

2–16 Chapter 2: Board Components

General User Input/Output

Transceiver Signal Integrity Development Kit, November 2011 Altera Corporation

Stratix IV GT Edition Reference Manual

General User Input/Output

This section describes the user I/O interface to the FPGA including the push buttons,

user and status LEDs, LCD, and user DIP, rotary, and slide switches. Table 2–11 lists

the component references and the manufacturing information.

Push Buttons

The board has eight push buttons for user-defined logic input. Each push-button

when pressed drives logic low and when released returns to driving logic high.

Table 2–12 summarizes the push buttons signal name and function.

Table 2–11. Component Reference Input and Ouput Devices

Board Reference

Device

Description

Manufacturer

Part Number

Manufacturer

Website

SW8–SW15 Push buttons Panasonic Corporation EVQPAC07K www.panasonic.com

D7–D15,

D17–D24

Green LEDs Lumex Inc. SML-LX1206GC-TR www.lumex.com

D16 Red LED Lumex Inc. SML-LX1206IC-TR www.lumex.com

D6 Amber LED Lite-on Technology Corporation LTST-C150KYKT www.liteon.com

D3 Blue LED Lumex Inc. SML-LX1206USBC-TR www.lumex.com

LCD LCD Lumex Inc. LCM-S01602DSR/C www.lumex.com

SW7 DIP switch Grayhill Corporation 76SB08ST www.grayhill.com

SW2 Mini-DIP switch

C&K Components /

ITT Industries

TDA04H0SB1 www.ittcannon.com

SW16 Rotary switch Grayhill Corporation 94HCB16WT www.grayhill.com

SW1 Slide switch E-switch Inc. EG2201A www.e-switch.com

Table 2–12. Push Button Signal Names and Functions

Board

Reference

Description

Schematic

Signal Name

I/O Standard

Stratix IV GT

Device

Pin Number

Other

Connections

SW10

General purpose user push-button

switches. These switches are not

debounced.

USR_PB0

2.5-V CMOS

U33 pin AW28

10-kΩ pull-up

resistor to 2.5 V

SW11

USR_PB1

U33 pin AV28

SW12

USR_PB2

U33 pin AU28

SW13

USR_PB3

U33 pin AT28

SW14

USR_PB4

U33 pin AR28

SW15

USR_PB5

U33 pin AP28

SW8

Board reset. This switch is not

debounced.

RESETn

— U32 pin T2

SW9

CPU reset. This switch is not

debounced.

CPURSTn

U33 pin AW18

10-kΩ pull-up

resistor to 2.5 V

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 41 42

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