Abstract:A method for reducing the power consumption in asynchronous micropipeline-based circuits is presented. The method is based around a new design for latch controllers in which the operating mode of the pipeline latches (normally open/transparent or normally closed/opaque) can be selected according to the dynamic processing demand on the circuit. Operating in normally-closed mode prevents spurious transitions from propagating along a static pipeline, at the expense of reduced throughput. Tests of the new latch co… Show more
“…So it is not surprising that there is a great variety of latch controller types that can be built. This section considers the set of four-phase (return to zero) controllers implementing protocols used in AMULET3 [8].…”
Section: Latch Controller Typesmentioning
confidence: 99%
“…For each of the above protocols there can be two variations depending on when the latches become transparent [8]:…”
Section: Latch Controller Typesmentioning
confidence: 99%
“…Thus normally-closed latch controllers lead to more energy efficient pipelines, while normally-open controllers lead to faster pipelines. To enable this trade off at run-time, reconfigurable latch controllers that can be either normally-open or closed have already been developed [8] and are incorporated in the design of AMULET3.…”
Section: Broadishmentioning
confidence: 99%
“…The reconfigurable normally open/closed operating mode [8], is an attractive feature, so it is retained in the proposed latch controllers. The next section defines two (collapsible) latch controllers (for the broad and broadish protocols) that are configurable as collapsed or normal and as normally open or closed.…”
“…So it is not surprising that there is a great variety of latch controller types that can be built. This section considers the set of four-phase (return to zero) controllers implementing protocols used in AMULET3 [8].…”
Section: Latch Controller Typesmentioning
confidence: 99%
“…For each of the above protocols there can be two variations depending on when the latches become transparent [8]:…”
Section: Latch Controller Typesmentioning
confidence: 99%
“…Thus normally-closed latch controllers lead to more energy efficient pipelines, while normally-open controllers lead to faster pipelines. To enable this trade off at run-time, reconfigurable latch controllers that can be either normally-open or closed have already been developed [8] and are incorporated in the design of AMULET3.…”
Section: Broadishmentioning
confidence: 99%
“…The reconfigurable normally open/closed operating mode [8], is an attractive feature, so it is retained in the proposed latch controllers. The next section defines two (collapsible) latch controllers (for the broad and broadish protocols) that are configurable as collapsed or normal and as normally open or closed.…”
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