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Programmer's Model
2.1
About the programmer's model
2-2
The programmer's model for the ARM966E-S macrocell primarily consists of the
ARM9E-S core programmer's model (see About the ARM9E-S programmer's model on
page 2-3). Additions to this model are required to control the operation of the
ARM966E-S internal coprocessors, and any coprocessor connected to the external
coprocessor interface.
There are two internal coprocessors within the ARM966E-S:
•
CP14 within the ARM9E-S core allows software access to the debug
communications channel
•
CP15 allows configuration of the tightly-coupled SRAM and write buffer and
other ARM966E-S system options such as big or little-endian operation.
The registers defined in CP14 are accessible with
described in The debug communications channel on page 8-19.
The registers defined in CP15 are accessible with
described in ARM966E-S CP15 registers on page 2-4.
Any coprocessors registers and operations, attached to the external coprocessor
interface, are accessible with appropriate coprocessor instructions.
Copyright © 2000 ARM Limited. All rights reserved.
and
instructions. These are
MCR
MRC
MCR
and
MRC
instructions. These are
ARM DDI 0186A
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