Chapter 4 Introduction
Chapter 4 Introduction
Chapter 4 Introduction
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Morgan Kaufmann Publishers 31 January 2013Sequential ElementsRegister: stores data in a circuitn Uses a clock signal todetermine when to update the stored valuen Edge-triggered: update when Clk changes,e.g. from 0 to 1DClkQClkDQCSE 420 <strong>Chapter</strong> 4 — The Processor — 9Sequential Elementsn Register with write controln Only updates on clock edgewhen write control input is 1n Used when stored value is required laterClkDWriteClkQWriteDQCSE 420 <strong>Chapter</strong> 4 — The Processor — 10
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