POWER CONTROL CIRCUITRY FOR CONTROLLING POWER DOMAINS

POWER CONTROL CIRCUITRY FOR CONTROLLING POWER DOMAINS

A data processing apparatus 2 includes a plurality of power domains controlled by respective power control signals PCS. Power control circuitry 22 includes mapping circuitry which maps a plurality of power status signals PSS indicative of the power status of respective power domains, and received fr...

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Hauptverfasser: BROWN Dominic William, KISS Gergely, LIM Seow Chuan, SEVERINO Christopher Vincent, Kelemen Csaba
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator BROWN Dominic William
KISS Gergely
LIM Seow Chuan
SEVERINO Christopher Vincent
Kelemen Csaba
description A data processing apparatus 2 includes a plurality of power domains controlled by respective power control signals PCS. Power control circuitry 22 includes mapping circuitry which maps a plurality of power status signals PSS indicative of the power status of respective power domains, and received from those power domains, to form the power control signals which are then supplied power domains. The mapping circuitry may be controlled by mapping parameters stored within a memory mapped array. The mapping parameters may specify that a given power control signal is either sensitive or insensitive to the power status of a particular other power domain within the data processing apparatus 2. The mapping parameters may be fixed or software programmable.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title POWER CONTROL CIRCUITRY FOR CONTROLLING POWER DOMAINS
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