Atmel SAM4S-EK2 Atmel ATSAM4S-EK2 ATSAM4S-EK2 Data Sheet

Product codes
ATSAM4S-EK2
Page of 1125
 232
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
Undefined 
Indicates an instruction that generates an Undefined instruction exception.
Unpredictable
One cannot rely on the behavior. Unpredictable behavior must not represent security holes. 
Unpredictable behavior must not halt or hang the processor, or any parts of the system.
Warm reset
Also known as a core reset. Initializes the majority of the processor excluding the debug controller and 
debug logic. This type of reset is useful if debugging features of a processor.
Word
A 32-bit data item.
Write
Writes are defined as operations that have the semantics of a store. Writes include the Thumb 
instructions STM, STR, STRH, STRB, and PUSH.