PM0215 datasheet(8/91 Pages) STMICROELECTRONICS

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About this document

PM0215

8/91

Doc ID 022979 Rev 1

About this document

This document provides the information required for application and system-level software

development. It does not provide information on debug components, features, or operation.

This material is for microcontroller software and hardware engineers, including those who

have no experience of ARM products.

1.1

Typographical conventions

The typographical conventions used in this document are:

1.2

List of abbreviations for registers

The following abbreviations are used in register descriptions:

italic

Highlights important notes, introduces special terminology, denotes

internal cross-references, and citations.

< and >

Enclose replaceable terms for assembler syntax where they appear in

code or code fragments. For example:

LDRSB<cond> <Rt>, [<Rn>, #<offset>]

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.

read/write (rw)

Software can read and write to these bits.

read-only (r)

Software can only read these bits.

write-only (w)

Software can only write to this bit.

Reading the bit returns the reset value.

read/clear (rc_w1) Software can read as well as clear this bit by writing 1.

Writing ‘0’ has no effect on the bit value.

read/clear (rc_w0) Software can read as well as clear this bit by writing 0.

Writing ‘1’ has no effect on the bit value.

toggle (t)

Software can only toggle this bit by writing ‘1’. Writing ‘0’ has no effect.

Reserved (Res.)

Reserved bit, must be kept at reset value.

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