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Using JTAG with SystemC

Implementation of a Cycle Accurate Interface

Jeremy Bennett

Embecosm

Application Note 5. Issue 1

January 2009

Copyright © 2009 Embecosm Limited

Creative Commons License

The document entitled " Using JTAG with SystemC " by Jeremy Bennett of Embecosm is licensed under a Creative Commons Attribution 2.0 UK: England & Wales License. See the Legal Notice for details.

Table of Contents

1. Introduction

1.1. Rationale

1.2. Target Audience

1.3. Further Sources of Information

1.3.1. Written Documentation
1.3.2. Other Information Channels

1.4. About Embecosm

2. Overview of Technologies

2.1. JTAG (IEEE 1149.1)

2.1.1. Boundary Scan
2.1.2. JTAG Chip Architecture

2.2. OSCI SystemC IEEE 1666

3. Cycle Accurate SystemC JTAG Interface

3.1. Abstract Representation of the JTAG Interface

3.2. Application Programming Interface (API)

3.2.1. TAP Action Classes
3.2.2. The JtagSC SystemC Module Class
3.2.3. Using the Interface

3.3. Installation

3.4. Implementation Detail

3.4.1. JtagSC
3.4.2. TapAction
3.4.3. TapActionReset
3.4.4. TapActionIRScan
3.4.5. TapActionDRScan
3.4.6. TapStateMachine

4. Examples

4.1. JTAG Reset
4.2. Writing the Instruction Register
4.3. Writing a 12-bit JTAG Data Register
4.4. Reading a 73-bit JTAG Data Register

Next

Chapter 1. Introduction

Copyright © 2009 Embecosm Limited