Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
Programmer’s Model
2-6
Copyright © 2001-2003 ARM Limited. All rights reserved.
ARM DDI0198D
In all cases, reading from, or writing any data values to any CP15 registers, including
those fields specified as Unpredictable, Should Be One, or Should Be Zero does not
cause any physical damage to the chip.
those fields specified as Unpredictable, Should Be One, or Should Be Zero does not
cause any physical damage to the chip.
Should Be One
SBO
When writing to this location, all bits in this field
Should Be One.
Should Be One.
Should Be Zero or
Preserved
Preserved
SBZP
When writing to this location, all bits of this field
Should Be Zero or preserved by writing the same
value that has been previously read from the same
field.
Should Be Zero or preserved by writing the same
value that has been previously read from the same
field.
Table 2-3 CP15 abbreviations (continued)
Term
Abbreviation
Description