4.1
About this programmers model
The following information applies to all registers in this programmers model:
• Do not attempt to access reserved or unused address locations. Attempting to access these locations
can result in
UNPREDICTABLE
behavior.
• Unless otherwise stated in the accompanying text:
— Do not modify undefined register bits.
— Ignore undefined register bits on reads.
— All register bits are reset to a logic 0 by a system or powerup reset.
— All register summary tables in this chapter describe register access types as follows:
RW
Read/write.
RO
Read-only.
WO
Write-only.
4 Programmers model
4.1 About this programmers model
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