Glossary

μC

See Microcontroller.

μP

See Microprocessor.

Absolute Scale of Temperature

A scale of temperature that was invented by the British mathematician and physicist William Thomas, first Baron of Kelvin. Under the absolute, or Kelvin, scale of temperature, 0°K (corresponding to−273°C) is the coldest possible temperature and is known as Absolute Zero.

Absolute Zero

See Absolute Scale of Temperature.

Active-High

Beware, here be dragons. In this book an active-high signal is defined as a signal whose active state is considered to be a logic 1. This definition, which is used by the engineers in the trenches, allows all forms of logic, including assertion-level logic, to be represented without any confusion, regardless of whether positive-

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