Patent ID: 6314523
Filing Date: 2001-11-06
Classification: G06F

Abstract:
A computer system comprising: a data processing unit; data input means, connected to said data processing unit; data output display, coupled to said data processing unit; an audio signal processing subsystem, having a plurality of integrated circuit devices including an analog signal processor device, coupled to said data processing unit; and a power management circuit coupled to said data processing unit, said power management circuit further comprising: a plurality of sources of power supply voltages, each power supply voltage associated with at least one of said plurality of integrated circuit devices; a plurality of ground planes, selectively associated with different ones of said plurality of said power supply voltages; and a selector circuit, coupled to said plurality of power and said plurality of ground planes, for selectively deactivating at least one of said plurality of power supply voltages associated with said integrated circuit devices of said audio signal processing subsystem independently of other ones of said plurality of power supply voltages.