Typographical conventions

The following typographical conventions are used in this document:


Highlights ARM processor signal names within text, and interface elements such as menu names. Can also be used for emphasis in descriptive lists where appropriate.


Highlights special terminology, cross-references and citations.


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


Denotes a permitted abbreviation for a command or option. The underlined text can be entered instead of the full command or option name.

typewriter italic

Denotes arguments to commands or functions where the argument is to be replaced by a specific value.

typewriter bold

Denotes language keywords when used outside example code.

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