User`s guide

About This Guide
i.MX53 System Development User’s Guide, Rev. 1
xix Freescale Semiconductor
Book titles in text are set in italics
sig_name Internal signals are written in all lowercase
0x0 Prefix to denote hexadecimal number
0b0 Prefix to denote binary number
rA, rB Instruction syntax used to identify a source GPR
rD Instruction syntax used to identify a destination GPR
REG[FIELD] Abbreviations for registers are shown in uppercase text. Specific bits, fields, or
ranges appear in brackets. For example, MSR[LE] refers to the little-endian mode
enable bit in the machine state register.
x In some contexts, such as signal encodings, an unitalicized x indicates a don’t
care.
x An italicized x indicates an alphanumeric variable
n, m An italicized n indicates a numeric variable
NOTE
In this guide, notation for all logical, bit-wise, arithmetic, comparison, and
assignment operations follow C Language conventions.
Signal Conventions
PWR_ON_RESET An overbar indicates that a signal is active when low
_b, _B Alternate notation indicating an active-low signal
signal_name Lowercase italics is used to indicate internal signals
Acronyms and Abbreviations
The following table defines the acronyms and abbreviations used in this document.
Definitions and Acronyms
Term Definition
Address
Translation
Address conversion from virtual domain to physical domain
API Application Programming Interface
ARM
®
Advanced RISC Machines processor architecture
AUDMUX Digital audio multiplexer—provides a programmable interconnection for voice, audio, and synchronous data
routing between host serial interfaces and peripheral serial interfaces.
BCD Binary Coded Decimal
Bus A path between several devices through data lines.
Bus load The percentage of time a bus is busy.