Digilent Basys 2 참조 매뉴얼

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Basys 2™ FPGA Board Reference Manual

Revised April 8, 2016

This manual applies to the Basys 2 rev. C

Overview

The Basys 2 board is a circuit design and implementation platform that anyone can use to gain experience building

real digital circuits. Built around a Xilinx Spartan-3E Field Programmable Gate Array and a Atmel AT90USB2 USB

controller, the Basys 2 board provides complete, ready-to-use hardware suitable for hosting circuits ranging from

basic logic devices to complex controllers. A large collection of on-board I/O devices and all required FPGA support

circuits are included, so countless designs can be created without the need for any other components.

Full Speed

USB2 Port

(JTAG and data transfers)

Data

JTAG

port

Xilinx Spartan3E-100 CP132

PS/2

VGA Port

I/O Devices

Port

Figure 1. The Basys 2 board block diagram and features.

Four standard expansion ports allow designs to grow beyond the Basys 2 board using breadboards, user-designed

circuit boards, or Pmods (Pmods are inexpensive analog and digital I/O modules that offer A/D & D/A conversion,

motor drivers, sensor inputs, and many other features). Signals on the 6-pin connectors are protected against ESD

damage and short-circuits, ensuring a long operating life in any environment. The Basys 2 board works seamlessly

with all versions of the Xilinx ISE tools, including the free WebPack. It ships with a USB cable that provides power

and a programming interface, so no other power supplies or programming cables are required.

The Basys 2 board can draw power and be programmed via its on-board USB2 port. Digilent's freely available PC-

based Adept software automatically detects the Basys 2 board, provides a programming interface for the FPGA and

Platform Flash ROM, and allows user data transfers (see

DOC#: 502-155

Other product and company names mentioned may be trademarks of their respective owners.

Platform

Settable Clock

Flash

Source

(config ROM)

(25 / 50 / 100 MHz)

8 bit

color

Pmod Connectors



100,000-gate Xilinx Spartan 3E FPGA



Atmel AT90USB2 Full-speed USB2 port

providing board power and programming/data

transfer interface



Xilinx Platform Flash ROM to store FPGA

configurations



8 LEDs, 4-digit 7-segment display, 4 buttons, 8

slide switches



PS/2 port and 8-bit VGA port



User-settable clock (25/50/100MHz), plus

socket for 2

clock



Four 6-pin header expansion connectors



ESD and short-circuit protection on all I/O

signals.

www.digilentinc.com

for more information).

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Pullman, WA 99163

509.334.6306

www.digilentinc.com

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