mcf5407 Freescale Semiconductor, Inc, mcf5407 Datasheet - Page 534

• Manufacturer Part Number: mcf5407
• Description: Mcf5407 Coldfire Integrated Microprocessor User
• Manufacturer: Freescale Semiconductor, Inc

Glossary-4
N
S
O
P
Most-significant bit (msb). The highest-order bit in an address, registers,
Most-significant byte (MSB). The highest-order byte in an address,
Nop. No-operation. A single-cycle operation that does not affect registers or
Overflow. An condition that occurs during arithmetic operations when the
Pipelining. A technique that breaks operations, such as instruction
Precise mode. A memory access mode that ensures that all write accesses to
Set (v) To write a nonzero value to a bit or bit field; the opposite of clear. The
Set (n). A subdivision of a cache. Cacheable data can be stored in a given
Set-associativity. Aspect of cache organization in which the cache space is
Slave. The device addressed by a master device. The slave is identified in the
Static branch prediction. Mechanism by which software (for example,
data element, or instruction encoding.
registers, data element, or instruction encoding.
generate bus activity.
result cannot be stored accurately in the destination register(s). For
example, if two 16-bit numbers are multiplied, the result may not be
representable in 16 bits.
processing or bus transactions, into smaller distinct stages or tenures
(respectively) so that a subsequent operation can begin before the
previous one completes.
a specified memory region occur in order.
term ‘set’ may also be used to generally describe the updating of a
bit or bit field.
location in any one of the sets, typically corresponding to its lower-
order address bits. Because several memory locations can map to the
same location, cached data is typically placed in the set whose cache
line corresponding to that address was used least recently. See Set-
associativity.
divided into sections, called sets. The cache controller associates a
particular main memory address with the contents of a particular set,
or region, within the cache.
address tenure and is responsible for supplying or latching the
requested data for the master during the data tenure.
compilers) can hint to the machine hardware about the direction a
branch is likely to take.
MCF5407 User’s Manual