Understanding Smart Sensors - Nomads.usp

360 Understanding Smart Sensorsparallel computing the processing of two or more (often many more) programsat one time by interconnected processing systemspartitioning system design methodology that determines which portion ofthe circuit is integrated using a particular silicon process instead of completelyintegrating design using one processperipherals external circuit components necessary to achieve desired functionality,usually for an MCU or an MPUphotolithography process in which a pattern in a mask is transferred to awafer, resulting in areas to be doped or selectively removedpiezoelectric effect the ability of certain materials to become electricallypolarized in response to applied strain or to be strained in response to appliedvoltagepiezoresistorpipelineoccura resistor that changes resistance in response to applied strainbus structure within an MPU that allows concurrent operations toplasma etching an etching process that uses an etching gas instead of a liquidto chemically etch a structurepolysiliconprecisionprotocolelementssilicon composed of randomly arranged crystal unit cellsthe smallest discernable change in the output signal of a devicethe rules governing the exchange of data between networkedquadrature a technique used in encoders and resolvers that separates signalchannels by 90 degrees (electrical) in feedback devicesquantization error the uncertainty ±1/2 least significant bit (LSB) that addsto conversion error in an analog to digital converterrangeSee operating temperature rangeratiometric (ratiometricity error) the change in the sensor output resultingfrom any change to the supply voltage (usually expressed as percentage of fullscaleoutput). (At a given voltage, sensor output is a proportional value of thatsupply voltage.)real-time system system that accepts external inputs, processes them, andproduces outputs in a fixed period of time