Altera Arria V GX Starter Board Instrukcja Użytkownika Pobierz pdf (Strona 31)

Chapter 2: Board Components 2–23

General User Input/Output

November 2013 Altera Corporation Arria V GX Starter Board

Reference Manual

General User Input/Output

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

DIP switches, LEDs, and character LCD.

User-Defined Push Buttons

The starter board includes three user-defined push buttons. For information on the

system and safe reset push buttons, refer to “Setup Elements” on page 2–17.

Board references S5, S6, and S7 are push buttons that allow you to interact with the

Arria V GX. When you press and hold down the switch, the device pin is set to logic 0;

when you release the switch, the device pin is set to logic 1. There are no

board-specific functions for these general user push buttons.

Table 2–18 lists the user-defined push button schematic signal names and their

corresponding Arria V GX device pin numbers.

Table 2–19 lists the user-defined push button component reference and the

manufacturing information.

100 MHz crystal oscillator,

±50 ppm, CMOS, 2.5 V

Silicon Labs 510GBA100M000BAGx www.silabs.com

50 MHz crystal oscillator,

±50 ppm, CMOS, 2.5 V

Silicon Labs 510GBA50M0000BAGx www.silabs.com

125 MHz crystal oscillator,

±50 ppm, LVDS, 2.5 V

Silicon Labs 511FBA125M000BAGx www.silabs.com

Table 2–17. Crystal Oscillator Component References and Manufacturing Information

Board

Reference

Description Manufacturer

Manufacturer

Part Number

Manufacturer Website

Table 2–18. User-Defined Push Button Schematic Signal Names and Functions

Board Reference

Schematic Signal

Name

Arria V GX Pin

Number

I/O Standard Description

USER_PB0

A14 2.5-V

User-defined push buttonsS6

USER_PB1

B15 2.5-V

USER_PB2

B14 2.5-V

Table 2–19. User-Defined Push Button Component Reference and Manufacturing Information

Board Reference Description Manufacturer

Manufacturer

Part Number

Manufacturer Website

S5 to S7 Push button Dawning Precision Co. TS-A02SA-2-S100 www.dawning2.com.tw

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 61 62

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