ARM Cortex R4F - Manual (Page 44)

Introduction
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• The properties of memory accesses.
• The debug architecture you can use to debug the processor. The TRM gives
more information about the implemented debug features.
The Cortex-R4 processor implements the ARMv7-R architecture profile.
Advanced Microcontroller Bus Architecture protocol
Advanced Microcontroller Bus Architecture (AMBA) is an open standard,
on-chip bus specification that defines the interconnection and management of
functional blocks that make up a System-on-Chip (SoC). It facilitates
development of embedded processors with multiple peripherals.
IEEE 754 This is the IEEE Standard for Binary Floating Point Arithmetic.
An architecture specification typically defines a number of versions, and includes features that
are either optional or partially specified. The TRM describes which architectures are used,
including which version is implemented, and the architectural choices made for the
implementation. The TRM does not provide detailed information about the architecture, but
some architectural information is included to give an overview of the implementation or, in the
case of control registers, to make the manual easier to use. See the appropriate specification for
more information about the implemented architectural features.