Real-time, concurrent, multifunction digital signal processor su

Details Real-time, concurrent, multifunction digital signal processor su Real-time, concurrent, multifunction digital signal processor su

1991-09-03

1994-03-01

Eng, David Y.

Boots, shoes, and leggings

3642813, G06F 900

Patent

active

052916146

ABSTRACT:
A personal computer system includes a digital signal processor (DSP) subsystem that is connectable to a plurality of application specific hardware devices. A single DSP is operable under a DSP real-time operating system (RTOS) to concurrently handle a plurality of different signal processing functions on a real-time basis. A DSP data store is connected to the DSP and to the personal computer and includes addressable locations that emulate addressable I/O registers associated with the application specific hardware devices to enable the personal computer to run a plurality of application programs controlling operation of the hardware devices. Performance is enhanced for I/O read and write operations by delaying halting of the DSP allowing such operations to complete in a cycle during which the DSP is not accessing the data store.

REFERENCES:
patent: 4009470 (1977-02-01), Danilenko
patent: 4075691 (1978-02-01), Davis
patent: 4228495 (1980-10-01), Bernhard

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