MATLAB DESIGN HDL CODER RELEASE NOTES manuals

Matlab DESIGN HDL CODER RELEASE NOTES User's Guide (410 pages)

Brand: Matlab | Category: Software | Size: 13.06 MB |

English

Table of contents

Generator for

1

Table of Contents

3

About This Guide

9

Conventions

10

Preface: About This Guide

12

Hardware Design Using System

13

Generator

13

A Brief Introduction to FPGAs

14

Note to the DSP Engineer

18

Note to the Hardware Engineer

18

Algorithm Exploration

19

System Generator Blocksets

21

Xilinx Blockset

22

Xilinx Reference Blockset

22

Signal Types

23

Timing and Clocking

24

Rate-Changing Blocks

25

Multirate Models

25

Hardware Oversampling

26

Asynchronous Clocking

26

Synchronous Clocking

26

The Clock Enables Option

27

The Hybrid DCM-CE Option

27

The Expose Clock Ports Option

28

Synchronization Mechanisms

36

Block Masks

37

Parameter Passing

37

Automatic Code Generation

39

Simulink System Period

43

Block Icon Display

43

Viewing ISE Reports

44

Compilation Results

44

System Clock Period

46

Multicycle Path Constraints

46

Constraints Example

47

Clock Handling in HDL

48

HDL Testbench

50

Compiling MATLAB into an FPGA

51

Simple Arithmetic Operations

52

Shift Operations

56

Optional Input Ports

60

Finite State Machines

62

Parameterizable Accumulator

63

RPN Calculator

69

Example of disp Function

71

Integration Design Rules

73

A Step-by-Step Example

75

Simulating the Entire Design

80

Design Tools

90

Generating an FPGA Bitstream

93

Implementing Your Design

94

Table 1-1:

97

DSP48 Block

101

Dynamic Control of the DSP48

101

DSP48 Macro Block

102

UG640 (v 12.2) July 23, 2010

103

Design Styles for the DSP48

105

DSP48 Design Techniques

106

C-Input Sharing

107

Adder Trees Planning

107

Placement

107

Signal Length Planning

107

Cascade Routing Buses

107

Design Overview

110

Run the Simulation

115

Multiple Clock Applications

118

Clock Domain Partitioning

119

Crossing Clock Domains

120

Step-by-Step Example

122

Creating a Top-Level Wrapper

126

ChipScope Pro Overview

130

Real-Time Debug

135

Bus Plot

137

Co-Simulation

140

Benefits

141

Pro Analyzer

141

Hardware/Software Co-Design

143

Black Box Block

144

PicoBlaze Block

144

EDK Processor Block

144

Memory Map Creation

146

Hardware Generation

147

Hardware Co-Simulation

147

The Software Driver

148

API Documentation

150

Writing a Software Program

151

Single-Word Reads

152

Single-Word Writes

152

Asynchronous Support

154

Dual Clock Wiring Scheme

156

Single Clock Wiring Scheme

158

Troubleshooting

161

EDK Support

163

EDK Import Wizard

164

Limitations

164

Exporting a pcore

166

Architecture Highlights

167

16 General Purpose Registers

167

Flags and Program Control

168

Input/Output

168

Interrupt

168

Write Software

176

Create an XPS Project

179

Import the XPS Project

180

Write Software Programs

181

Create a Testbench Model

184

Using XPS

186

Using Platform Studio SDK

191

Embedded DSP Design

200

Objectives

201

Tutorial Exercise Setup

201

Design Description

202

PROCEDURE

203

Hardware Co-Simulation Block

207

Using Hardware Co-Simulation

225

Choosing a Compilation Target

227

Invoking the Code Generator

227

Hardware Co-Simulation Blocks

228

2. Select

231

1. Click

231

Clocking Modes

232

Selecting the Clock Mode

232

Board-Specific I/O Ports

233

Interface Features

235

Co-Simulating the Design

238

Known Issues

239

Setup Procedures

239

Specifying the Cable Location

240

Starting Up a CSE server

241

Shared Memory Support

242

Compiling Shared Memory Pairs

244

Memory Type Icon

245

Shared Memory

245

Shared FIFO

245

Shared Register

245

Co-Simulating Shared FIFOs

249

Shared Memories

254

Adding Buffers to a Design

256

Using Vector Transfers

262

Valid Bit Generation

270

5x5 Filter Kernel Test Bench

272

Reloading the Kernel

276

®/Simulink software from The

277

Setup the PC

281

Setup the ML402 board

282

Install Related Software

286

Setup the Local Area Network

286

Setup the ML506 board

287

System ACE™ Reset

290

Setup the ML605 board

291

Simulation

294

Setup the SP601/SP605 Board

299

Setup the ML402 Board

301

Setup the ML605 Board

303

Hardware Requirements

307

Supporting New Boards

307

SBDBuilder Dialog Box

308

Saving Plugin Files

312

Board Support Package Files

313

Providing Your Own Top Level

317

Plugins Directory

318

Detecting New Packages

319

Importing HDL Modules

321

Language Selection

325

Defining Block Ports

326

Port Object

326

Port Types

327

Configuring Port Sample Rates

328

Dynamic Output Ports

328

Black Box Clocking

329

Combinational Paths

330

Error Checking

331

Black Box API

331

SysgenBlockDescriptor Methods

332

SysgenPortDescriptor Methods

334

HDL Co-Simulation

335

ModelSim Simulator

336

Black Box Examples

338

/coregen_import_example2.cgp

345

Click Next >

347

Importing a VHDL Module

352

Importing a Verilog Module

359

Dynamic Black Boxes

361

Simultaneously

363

ModelSim

366

Encrypted VHDL File

370

Chapter 5

377

HDL Netlist Compilation

378

NGC Netlist Compilation

378

Bitstream Compilation

379

XFLOW Option Files

380

Additional Settings

381

EDK Export Tool

383

Export as Pcore to EDK

385

See Also:

386

Period and Slack

389

Path Analysis Example

389

Timing Analyzer Features

390

Cross-Probing

391

Histogram Charts

392

Histogram Detail

394

Statistics

394

Trace Report

394

Improving Failing Paths

395

Generate the Example Design

398

Examine the Slow Paths

398

Rescue the Design

399

Creating Compilation Targets

401

The xltarget Function

402

Target Info Functions

403

Using XFLOW

405

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