with Nios Embedded Processor June 2000, ver. Introduction

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with Nios Embedded Processor June 2000, ver. Introduction

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Excalibur Development
with Nios Embedded Processor
June 2000, ver.
Introduction
Altera® users have single system-on-a-programmable-chip (SOPC) solution. Excaliburdevelopment kit, featuring Niossoft core embedded processor, contains tools that hardware software engineers need create high-performance systems Altera programmable logic devices (PLDs). This provides PLD-optimized processor that designers implement immediately, improving design workflow speeding time-to-market. shown Figure Excalibur development contains:
Figure Excalibur Development Kit, with Nios Embedded Processor
Nios configurable RISC processor core peripherals GNUPro® compiler debugger from Cygnus®, Hat® company Quartusdevelopment software ByteBlasterMVdownload cable Development board populated with APEXEP20K200E device SOPC reference design
Altera Corporation
A-DS-EXCKIT-01
Excalibur Development Kit, with Nios Embedded Processor
Nios Embedded Processor
Nios embedded processor fully-integrated soft core processor developed take advantage Altera's architecture. This section describes Nios embedded processor peripherals included Excalibur development kit. Figure page shows diagram Nios processor.
Nios embedded processor core 16-bit instruction Data width bits instruction clock cycle Support on-chip off-chip memory million instructions second (MIPS) performance Windowed register access fast interrupt handling Register file with 32-bit registers Shift depth from bits Register access peripherals Nios microperipherals Universal asynchronous receiver/transmitter (UART) Parallel input/output (PIO) Timer Memory interfaces SRAM FLASH Low-cost accessibility Free licensing from Altera site Royalty-free MegaWizardPlug-In interface, which creates configures Nios embedded processor core SOPC Builder software Generates on-chip peripheral Configures peripherals generates header files
more information Nios embedded processor, Nios Soft Core Embedded Processor Data Sheet.
Altera Corporation
Excalibur Development Kit, with Nios Embedded Processor
Figure Nios Embedded Processor
address
Program Counter
data
data
Instruction Decoder
Effective Address
read/write ifetch byte enable wait
Control
Operand Fetch
Clock Enable Interrupt Control
irq#
General-Purpose Processor Register File
clock reset
GNUPro Compiler Debugger
GNUPro compiler debugger from Cygnus, company, industry-standard compiler debugger tool suite software developers worldwide. open-source C/C++ development tool suite. Optimized Nios embedded processor, GNUPro compiler debugger delivers environment familiar design engineers, including:
Optimized C/C++ compiler assembler Insite debugger Binary utilities
Altera Corporation
Excalibur Development Kit, with Nios Embedded Processor
Quartus Programmable Logic Development Tools
Excalibur development kit, with Nios embedded processor, includes Quartus development software. This software allows designers process multi-million gate designs with advancements never before seen development tools. streamline development flows decrease time-to-market, Quartus software supports system-level solutions with block-level editing, workgroup computing, expanded support megafunctions. addition, embedded logic analysis feature allows engineers verify chip functionality timing observing internal signal values system clock speeds. State-of-the-art features make Quartus software ideal platform SOPC designs:
SOPC methodology with block-level editing, workgroup computing, expanded support megafunctions streamlines development flow increases productivity. embedded logic analysis solution reduces verification time enabling engineers view internal chip signal values while system running speed. Seamless interface with third-party electronic design automation (EDA) software tools allows designers familiar tools design Altera devices. industry's first "Internet-aware" development tool provides upto-the-minute information file exchanges, including software updates, license file delivery, support services across Internet. unmatched level technical support effectively makes Altera member design team. Support APEX device family offers design flexibility high-performance system-integration functionality.
ByteBlasterMV Download Cable
more information Quartus development software, Quartus Programmable Logic Development System Software Data Sheet. connect development board, Excalibur development includes ByteBlasterMV parallel port download cable. ByteBlasterMV download cable hardware interface standard parallel port (known port) drives configuration data APEX device. Because design changes downloaded directly APEX device, prototyping easy multiple design iterations accomplished quickly. ByteBlasterMV download cable performs following functions:
Configures APEX devices Supports operation
Altera Corporation
Excalibur Development Kit, with Nios Embedded Processor
Provides fast low-cost method in-system programming Interfaces with standard 25-pin parallel port Uses 10-pin connector, which located development board
Development Board
more information ByteBlaster Download Cable, ByteBlaster Parallel Port Download Cable Data Sheet. Excalibur development also includes comprehensive development board that gives engineers hardware platform which they immediately start developing system programmable chip. Figure shows diagram development board, which incorporates following components features:
APEX EP20K200E device Memory On-board FLASH bits) On-board SRAM (256 Kbytes) SDRAM connector Communications ports RS-232 JTAG Processor trace port Expansion ports 32-bit host connector prototype connector prototype connector User-configurable LEDs seven-segment LEDs single-segment LEDs User-configurable switches dual in-line package-8 (DIP-8) switch Four momentary contacts/switches
Nios processor serial port monitor pre-loaded FLASH boot power-up. monitor provides interface GNUPro debugger, well facilities user code download SRAM FLASH. Nios embedded processor core supported Kbytes zero-wait-state SRAM, providing complete software development environment. Using JTAG port, custom SOPC solutions also loaded FLASH create stand-alone custom application. development board comes with international power supply, software debug facilities provided on-board processor trace port.
Altera Corporation
Excalibur Development Kit, with Nios Embedded Processor
development board expanded support wide range interfaces through prototype connectors, mezzanine connectors, SDRAM connectors. Altera provides solution packages from MegaStore
more information development board, Nios Development Board User Guide.
Figure Excalibur Development Board
Momentary Contacts (1-4) Single LEDs Processor Trace Port 7-seg FLASH Prototype Connector
SRAM
JTAG Prototype Connectors
32-bit
EP20K200E
Prototype Connector
SDRAM Connector DIP-8 Prototype Connectors
SOPC Reference Design
Excalibur development includes reference design that complete SOPC configuration, including processor core, peripherals, on-chip bus. reference design pre-loaded on-board FLASH, boots power-up, allowing software engineers begin developing their code immediately. also comes Quartus project that customized user. Peripherals included reference design are:
UART Timer External memory interface (SRAM, FLASH) Internal memory interface (ESB)
Altera Corporation
SRAM
Excalibur Development Kit, with Nios Embedded Processor
Nios processor communicates with peripheral devices through peripheral module (PBM). automatically generated SOPC builder software based peripheral requirements supplied user. These include:
Address decode-Maps address each peripheral generates chip select signals Data multiplexer-Provides data connection between each peripheral Nios core. Provides read-only, readwrite, write-only access each peripheral Interrupt control-Allows user assign hardware interrupt each peripheral Wait state generator-Assigns number wait states required each peripheral sizing-An optional dynamic sizing module provides direct interface 16-, 32-bit peripherals
Figure shows block diagram reference design.
Figure SOPC Reference Design Peripherals
Peripheral Module Peripherals
Nios Embedded Processor
Address Decode
Port Interface
UART
Timer Data Multiplexer
External Memory
Interrupt Control
Internal Memory
Wait State Generator
User-Defined Peripheral
User-Defined Peripheral Sizing (Optional)
Altera Corporation
Excalibur Development Kit, with Nios Embedded Processor
Conclusion
Excalibur development kit, with Nios embedded processor, gives designers flexibility they need provides familiarity industry-standard GNUPro compiler debugger. integrating Nios embedded processor onto APEX device offering featurerich Excalibur development kits, Altera provides flexibility timeto-market needed system integration SOPC designs.
Innovation Drive Jose, 95134 (408) 544-7000 http://www.altera.com Applications Hotline: (800) 800-EPLD Customer Marketing: (408) 544-7104 Literature Services: (888) 3-ALTERA lit_req@altera.com
Printed Recycled Paper.
Altera, APEX, ByteBlasterMV, EP20K200E, Excalibur, MegaWizard, Nios, Quartus trademarks and/or service marks Altera Corporation United States other countries. Altera acknowledges trademarks other organizations their respective products services mentioned this document. Altera products protected under numerous U.S. foreign patents pending applications, maskwork rights, copyrights. Altera warrants performance semiconductor products current specifications accordance with Altera's standard warranty, reserves right make changes products services time without notice. Altera assumes responsibility liability arising application information, product, service described herein except expressly agreed writing Altera Corporation. Altera customers advised obtain latest version device specifications before relying published information before placing orders products services. Copyright 2000 Altera Corporation. rights reserved.
Altera Corporation

with Nios Embedded Processor June 2000, ver. Introduction

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