Texas Instruments TMS320C6000 Series Reference Manual page 382

Glossary Glossary
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W
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shifter: A hardware unit that shifts bits in a word to the left or to the right.
sign extension: An operation that fills the high order bits of a number with
the sign bit.
wait state: A period of time that the CPU must wait for external program,
data, or I/O memory to respond when reading from or writing to that ex-
ternal memory. The CPU waits one extra cycle for every wait state.
zero fill: A method of filling the low- or high-order bits with zeros when load-
ing a 16-bit number into a 32-bit field.