Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Datenbogen
Produktcode
AT91SAM9N12-EK
Preface
xviii
Copyright © 2001-2003 ARM Limited. All rights reserved.
ARM DDI0198D
Conventions
This section describes the conventions that this manual uses:
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•
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Typographical
This manual uses the following typographical conventions:
italic
Highlights important notes, introduces special terminology,
denotes internal cross-references, and citations.
denotes internal cross-references, and citations.
bold
Highlights interface elements, such as menu names. Denotes
ARM processor signal names. Also used for terms in descriptive
lists, where appropriate.
ARM processor 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.
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.
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.
replaced by a specific value.
monospace
bold
denotes language keywords when used outside example code.
< and >
Angle brackets enclose replaceable terms for assembler syntax
where they appear in code or code fragments. They appear in
normal font in running text. For example:
where they appear in code or code fragments. They appear in
normal font in running text. For example:
•
MRC p15, 0 <Rd>, <CRn>, <CRm>, <Opcode_2>
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The Opcode_2 value selects which register is accessed.
Timing diagrams
This manual contains one or more timing diagrams. The figure named Key to timing
diagram conventions on page xix on page xix explains the components used in these
diagrams. When variations occur they have clear labels. You must not assume any
timing information that is not explicit in the diagrams.
diagram conventions on page xix on page xix explains the components used in these
diagrams. When variations occur they have clear labels. You must not assume any
timing information that is not explicit in the diagrams.