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About this book

DSTREAM-ST System and Interface Design Reference Guide describes the interfaces of the DSTREAM-ST debug and trace unit, with details about designing Arm architecture-based devices and PCBs. This document is written for those using DSTREAM-ST or those designing PCBs.

Using this book

This book is organized into the following chapters:

Debug and trace interface

The Arm debug and trace interface enables powerful software debug and optimization on an Arm® processor-based target system. It is based on the IEEE 1149.1 (JTAG) interface coupled with various additional signals. This chapter introduces the signals and describes their use within the interface.

Target interface connectors

This chapter describes the connectors, cables, and adapters you can use with DSTREAM-ST.

Target board design

Describes the concepts to consider when designing a target board to connect to a DSTREAM-ST.

Glossary

The Arm Glossary is a list of terms used in Arm documentation, together with definitions for those terms. The Arm Glossary does not contain terms that are industry standard unless the Arm meaning differs from the generally accepted meaning.

See the Arm Glossary for more information.

Typographic conventions

italic

Introduces special terminology, denotes cross-references, and citations.

bold

Highlights interface elements, such as menu names. Denotes signal names. Also used for terms in descriptive lists, where appropriate.

monospace

Denotes text that you can enter at the keyboard, such as commands, file and program names, and source code.

monospace

Denotes a permitted abbreviation for a command or option. You can enter the underlined text instead of the full command or option name.

monospace italic

Denotes arguments to monospace text where the argument is to be replaced by a specific value.

monospace bold

Denotes language keywords when used outside example code.

< and >

Encloses replaceable terms for assembler syntax where they appear in code or code fragments. For example:

MRC p15, 0, <Rd>, <CRn>, <CRm>, <Opcode_2>

SMALL CAPITALS

Used in body text for a few terms that have specific technical meanings, that are defined in the Arm Glossary. For example, IMPLEMENTATION DEFINED, IMPLEMENTATION SPECIFIC, UNKNOWN, and UNPREDICTABLE.

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