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How many instructions pipelining is used in ARM7EJ-S?(a) 3-Stage(b) 4-Stage(c) 5-Stage(d) 2-stageThe question was posed to me during a job interview.I want to ask this question from Microcontroller (ARM 7) topic in section Prototyping Embedded Devices of IOT

Answer» CORRECT option is (c) 5-Stage

The explanation is: A five-stage pipelining is USED, consisting of Fetch, Decode, EXECUTE, MEMORY, and Writeback STAGES. A six-stage pipelining is used in Jazelle state, consisting of Fetch, Jazelle, Execute, Memory, and Writeback stages.


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